Quick view Details sku: 460-200-SP 1-PHASE VOLTAGE.MONITOR 190-2 MSRP: Now: $157.63 Add to Cart Compare Quick view Details sku: 201-100-SP 201-100-SP 1-PHASE PLUG-IN VM MSRP: Now: $160.98 Add to Cart Compare Quick view Details sku: 201-200-SP 201-200-SP 1-PHASE PLUG-IN VOLTAGE MONITO MSRP: Now: $160.98 Add to Cart Compare Quick view Details sku: 201-200-SP-T-9 201-200-SP-T-9 1-PH PLUG-IN VM MSRP: Now: $176.25 Add to Cart Compare Quick view Details sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM MSRP: Now: $205.74 Add to Cart Compare Quick view Details sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM MSRP: Now: $205.74 Add to Cart Compare Quick view Details sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 MSRP: Now: $217.20 Add to Cart Compare Quick view Details sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 MSRP: Now: $229.84 Add to Cart Compare Quick view Details sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS MSRP: Now: $232.59 Add to Cart Compare Quick view Details sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS MSRP: Now: $232.59 Add to Cart Compare Quick view Details sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 MSRP: Now: $251.67 Add to Cart Compare Quick view Details sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 460-200-SP 1-PHASE VOLTAGE.MONITOR 190-2 The 460 is a 3-phase voltage monitor that protects 190-480VAC or 475-600V, 50/60Hz motors regardless of size. The product provides a user selectable nominal voltage setpoint and the voltage monitor automatically senses line voltage. This unique... MSRP: Now: $157.63 Add to Cart Compare Quick view sku: 201-100-SP 201-100-SP 1-PHASE PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP 201-200-SP 1-PHASE PLUG-IN VOLTAGE MONITO The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP-T-9 201-200-SP-T-9 1-PH PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $176.25 Add to Cart Compare Quick view sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $217.20 Add to Cart Compare Quick view sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $229.84 Add to Cart Compare Quick view sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details sku: 201-100-SP 201-100-SP 1-PHASE PLUG-IN VM MSRP: Now: $160.98 Add to Cart Compare Quick view Details sku: 201-200-SP 201-200-SP 1-PHASE PLUG-IN VOLTAGE MONITO MSRP: Now: $160.98 Add to Cart Compare Quick view Details sku: 201-200-SP-T-9 201-200-SP-T-9 1-PH PLUG-IN VM MSRP: Now: $176.25 Add to Cart Compare Quick view Details sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM MSRP: Now: $205.74 Add to Cart Compare Quick view Details sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM MSRP: Now: $205.74 Add to Cart Compare Quick view Details sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 MSRP: Now: $217.20 Add to Cart Compare Quick view Details sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 MSRP: Now: $229.84 Add to Cart Compare Quick view Details sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS MSRP: Now: $232.59 Add to Cart Compare Quick view Details sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS MSRP: Now: $232.59 Add to Cart Compare Quick view Details sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 MSRP: Now: $251.67 Add to Cart Compare Quick view Details sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 460-200-SP 1-PHASE VOLTAGE.MONITOR 190-2 The 460 is a 3-phase voltage monitor that protects 190-480VAC or 475-600V, 50/60Hz motors regardless of size. The product provides a user selectable nominal voltage setpoint and the voltage monitor automatically senses line voltage. This unique... MSRP: Now: $157.63 Add to Cart Compare Quick view sku: 201-100-SP 201-100-SP 1-PHASE PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP 201-200-SP 1-PHASE PLUG-IN VOLTAGE MONITO The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP-T-9 201-200-SP-T-9 1-PH PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $176.25 Add to Cart Compare Quick view sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $217.20 Add to Cart Compare Quick view sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $229.84 Add to Cart Compare Quick view sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details sku: 201-200-SP 201-200-SP 1-PHASE PLUG-IN VOLTAGE MONITO MSRP: Now: $160.98 Add to Cart Compare Quick view Details sku: 201-200-SP-T-9 201-200-SP-T-9 1-PH PLUG-IN VM MSRP: Now: $176.25 Add to Cart Compare Quick view Details sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM MSRP: Now: $205.74 Add to Cart Compare Quick view Details sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM MSRP: Now: $205.74 Add to Cart Compare Quick view Details sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 MSRP: Now: $217.20 Add to Cart Compare Quick view Details sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 MSRP: Now: $229.84 Add to Cart Compare Quick view Details sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS MSRP: Now: $232.59 Add to Cart Compare Quick view Details sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS MSRP: Now: $232.59 Add to Cart Compare Quick view Details sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 MSRP: Now: $251.67 Add to Cart Compare Quick view Details sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 460-200-SP 1-PHASE VOLTAGE.MONITOR 190-2 The 460 is a 3-phase voltage monitor that protects 190-480VAC or 475-600V, 50/60Hz motors regardless of size. The product provides a user selectable nominal voltage setpoint and the voltage monitor automatically senses line voltage. This unique... MSRP: Now: $157.63 Add to Cart Compare Quick view sku: 201-100-SP 201-100-SP 1-PHASE PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP 201-200-SP 1-PHASE PLUG-IN VOLTAGE MONITO The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP-T-9 201-200-SP-T-9 1-PH PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $176.25 Add to Cart Compare Quick view sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $217.20 Add to Cart Compare Quick view sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $229.84 Add to Cart Compare Quick view sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details sku: 201-200-SP-T-9 201-200-SP-T-9 1-PH PLUG-IN VM MSRP: Now: $176.25 Add to Cart Compare Quick view Details sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM MSRP: Now: $205.74 Add to Cart Compare Quick view Details sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM MSRP: Now: $205.74 Add to Cart Compare Quick view Details sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 MSRP: Now: $217.20 Add to Cart Compare Quick view Details sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 MSRP: Now: $229.84 Add to Cart Compare Quick view Details sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS MSRP: Now: $232.59 Add to Cart Compare Quick view Details sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS MSRP: Now: $232.59 Add to Cart Compare Quick view Details sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 MSRP: Now: $251.67 Add to Cart Compare Quick view Details sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 460-200-SP 1-PHASE VOLTAGE.MONITOR 190-2 The 460 is a 3-phase voltage monitor that protects 190-480VAC or 475-600V, 50/60Hz motors regardless of size. The product provides a user selectable nominal voltage setpoint and the voltage monitor automatically senses line voltage. This unique... MSRP: Now: $157.63 Add to Cart Compare Quick view sku: 201-100-SP 201-100-SP 1-PHASE PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP 201-200-SP 1-PHASE PLUG-IN VOLTAGE MONITO The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP-T-9 201-200-SP-T-9 1-PH PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $176.25 Add to Cart Compare Quick view sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $217.20 Add to Cart Compare Quick view sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $229.84 Add to Cart Compare Quick view sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM MSRP: Now: $205.74 Add to Cart Compare Quick view Details sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM MSRP: Now: $205.74 Add to Cart Compare Quick view Details sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 MSRP: Now: $217.20 Add to Cart Compare Quick view Details sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 MSRP: Now: $229.84 Add to Cart Compare Quick view Details sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS MSRP: Now: $232.59 Add to Cart Compare Quick view Details sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS MSRP: Now: $232.59 Add to Cart Compare Quick view Details sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 MSRP: Now: $251.67 Add to Cart Compare Quick view Details sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 460-200-SP 1-PHASE VOLTAGE.MONITOR 190-2 The 460 is a 3-phase voltage monitor that protects 190-480VAC or 475-600V, 50/60Hz motors regardless of size. The product provides a user selectable nominal voltage setpoint and the voltage monitor automatically senses line voltage. This unique... MSRP: Now: $157.63 Add to Cart Compare Quick view sku: 201-100-SP 201-100-SP 1-PHASE PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP 201-200-SP 1-PHASE PLUG-IN VOLTAGE MONITO The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP-T-9 201-200-SP-T-9 1-PH PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $176.25 Add to Cart Compare Quick view sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $217.20 Add to Cart Compare Quick view sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $229.84 Add to Cart Compare Quick view sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM MSRP: Now: $205.74 Add to Cart Compare Quick view Details sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 MSRP: Now: $217.20 Add to Cart Compare Quick view Details sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 MSRP: Now: $229.84 Add to Cart Compare Quick view Details sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS MSRP: Now: $232.59 Add to Cart Compare Quick view Details sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS MSRP: Now: $232.59 Add to Cart Compare Quick view Details sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 MSRP: Now: $251.67 Add to Cart Compare Quick view Details sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 460-200-SP 1-PHASE VOLTAGE.MONITOR 190-2 The 460 is a 3-phase voltage monitor that protects 190-480VAC or 475-600V, 50/60Hz motors regardless of size. The product provides a user selectable nominal voltage setpoint and the voltage monitor automatically senses line voltage. This unique... MSRP: Now: $157.63 Add to Cart Compare Quick view sku: 201-100-SP 201-100-SP 1-PHASE PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP 201-200-SP 1-PHASE PLUG-IN VOLTAGE MONITO The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP-T-9 201-200-SP-T-9 1-PH PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $176.25 Add to Cart Compare Quick view sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $217.20 Add to Cart Compare Quick view sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $229.84 Add to Cart Compare Quick view sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 MSRP: Now: $217.20 Add to Cart Compare Quick view Details sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 MSRP: Now: $229.84 Add to Cart Compare Quick view Details sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS MSRP: Now: $232.59 Add to Cart Compare Quick view Details sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS MSRP: Now: $232.59 Add to Cart Compare Quick view Details sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 MSRP: Now: $251.67 Add to Cart Compare Quick view Details sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 460-200-SP 1-PHASE VOLTAGE.MONITOR 190-2 The 460 is a 3-phase voltage monitor that protects 190-480VAC or 475-600V, 50/60Hz motors regardless of size. The product provides a user selectable nominal voltage setpoint and the voltage monitor automatically senses line voltage. This unique... MSRP: Now: $157.63 Add to Cart Compare Quick view sku: 201-100-SP 201-100-SP 1-PHASE PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP 201-200-SP 1-PHASE PLUG-IN VOLTAGE MONITO The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP-T-9 201-200-SP-T-9 1-PH PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $176.25 Add to Cart Compare Quick view sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $217.20 Add to Cart Compare Quick view sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $229.84 Add to Cart Compare Quick view sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 MSRP: Now: $229.84 Add to Cart Compare Quick view Details sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS MSRP: Now: $232.59 Add to Cart Compare Quick view Details sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS MSRP: Now: $232.59 Add to Cart Compare Quick view Details sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 MSRP: Now: $251.67 Add to Cart Compare Quick view Details sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 460-200-SP 1-PHASE VOLTAGE.MONITOR 190-2 The 460 is a 3-phase voltage monitor that protects 190-480VAC or 475-600V, 50/60Hz motors regardless of size. The product provides a user selectable nominal voltage setpoint and the voltage monitor automatically senses line voltage. This unique... MSRP: Now: $157.63 Add to Cart Compare Quick view sku: 201-100-SP 201-100-SP 1-PHASE PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP 201-200-SP 1-PHASE PLUG-IN VOLTAGE MONITO The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP-T-9 201-200-SP-T-9 1-PH PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $176.25 Add to Cart Compare Quick view sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $217.20 Add to Cart Compare Quick view sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $229.84 Add to Cart Compare Quick view sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS MSRP: Now: $232.59 Add to Cart Compare Quick view Details sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS MSRP: Now: $232.59 Add to Cart Compare Quick view Details sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 MSRP: Now: $251.67 Add to Cart Compare Quick view Details sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 460-200-SP 1-PHASE VOLTAGE.MONITOR 190-2 The 460 is a 3-phase voltage monitor that protects 190-480VAC or 475-600V, 50/60Hz motors regardless of size. The product provides a user selectable nominal voltage setpoint and the voltage monitor automatically senses line voltage. This unique... MSRP: Now: $157.63 Add to Cart Compare Quick view sku: 201-100-SP 201-100-SP 1-PHASE PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP 201-200-SP 1-PHASE PLUG-IN VOLTAGE MONITO The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP-T-9 201-200-SP-T-9 1-PH PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $176.25 Add to Cart Compare Quick view sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $217.20 Add to Cart Compare Quick view sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $229.84 Add to Cart Compare Quick view sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS MSRP: Now: $232.59 Add to Cart Compare Quick view Details sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 MSRP: Now: $251.67 Add to Cart Compare Quick view Details sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 460-200-SP 1-PHASE VOLTAGE.MONITOR 190-2 The 460 is a 3-phase voltage monitor that protects 190-480VAC or 475-600V, 50/60Hz motors regardless of size. The product provides a user selectable nominal voltage setpoint and the voltage monitor automatically senses line voltage. This unique... MSRP: Now: $157.63 Add to Cart Compare Quick view sku: 201-100-SP 201-100-SP 1-PHASE PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP 201-200-SP 1-PHASE PLUG-IN VOLTAGE MONITO The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP-T-9 201-200-SP-T-9 1-PH PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $176.25 Add to Cart Compare Quick view sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $217.20 Add to Cart Compare Quick view sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $229.84 Add to Cart Compare Quick view sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 MSRP: Now: $251.67 Add to Cart Compare Quick view Details sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 460-200-SP 1-PHASE VOLTAGE.MONITOR 190-2 The 460 is a 3-phase voltage monitor that protects 190-480VAC or 475-600V, 50/60Hz motors regardless of size. The product provides a user selectable nominal voltage setpoint and the voltage monitor automatically senses line voltage. This unique... MSRP: Now: $157.63 Add to Cart Compare Quick view sku: 201-100-SP 201-100-SP 1-PHASE PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP 201-200-SP 1-PHASE PLUG-IN VOLTAGE MONITO The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP-T-9 201-200-SP-T-9 1-PH PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $176.25 Add to Cart Compare Quick view sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $217.20 Add to Cart Compare Quick view sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $229.84 Add to Cart Compare Quick view sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 460-200-SP 1-PHASE VOLTAGE.MONITOR 190-2 The 460 is a 3-phase voltage monitor that protects 190-480VAC or 475-600V, 50/60Hz motors regardless of size. The product provides a user selectable nominal voltage setpoint and the voltage monitor automatically senses line voltage. This unique... MSRP: Now: $157.63 Add to Cart Compare Quick view sku: 201-100-SP 201-100-SP 1-PHASE PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP 201-200-SP 1-PHASE PLUG-IN VOLTAGE MONITO The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP-T-9 201-200-SP-T-9 1-PH PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $176.25 Add to Cart Compare Quick view sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $217.20 Add to Cart Compare Quick view sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $229.84 Add to Cart Compare Quick view sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view sku: 460-200-SP 1-PHASE VOLTAGE.MONITOR 190-2 The 460 is a 3-phase voltage monitor that protects 190-480VAC or 475-600V, 50/60Hz motors regardless of size. The product provides a user selectable nominal voltage setpoint and the voltage monitor automatically senses line voltage. This unique... MSRP: Now: $157.63 Add to Cart Compare Quick view sku: 201-100-SP 201-100-SP 1-PHASE PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP 201-200-SP 1-PHASE PLUG-IN VOLTAGE MONITO The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP-T-9 201-200-SP-T-9 1-PH PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $176.25 Add to Cart Compare Quick view sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $217.20 Add to Cart Compare Quick view sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $229.84 Add to Cart Compare Quick view sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view sku: 201-100-SP 201-100-SP 1-PHASE PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP 201-200-SP 1-PHASE PLUG-IN VOLTAGE MONITO The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP-T-9 201-200-SP-T-9 1-PH PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $176.25 Add to Cart Compare Quick view sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $217.20 Add to Cart Compare Quick view sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $229.84 Add to Cart Compare Quick view sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view sku: 201-200-SP 201-200-SP 1-PHASE PLUG-IN VOLTAGE MONITO The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $160.98 Add to Cart Compare Quick view sku: 201-200-SP-T-9 201-200-SP-T-9 1-PH PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $176.25 Add to Cart Compare Quick view sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $217.20 Add to Cart Compare Quick view sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $229.84 Add to Cart Compare Quick view sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view sku: 201-200-SP-T-9 201-200-SP-T-9 1-PH PLUG-IN VM The 201-xxx-SP is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP is used on 190-240VAC,... MSRP: Now: $176.25 Add to Cart Compare Quick view sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $217.20 Add to Cart Compare Quick view sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $229.84 Add to Cart Compare Quick view sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view sku: 201-100-SP-DPDT 201-100-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $217.20 Add to Cart Compare Quick view sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $229.84 Add to Cart Compare Quick view sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view sku: 201-200-SP-DPDT 201-200-SP-DPDT 1-PH 8-PIN PLUG-IN VM The 201-xxx-SP-DPDT is an 8-pin octal-base, plug-in voltage monitor designed to protect single-phase motors regardless of size. The 201-100-SP-DPDT is used on 95-120VAC, 50/60Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used... MSRP: Now: $205.74 Add to Cart Compare Quick view sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $217.20 Add to Cart Compare Quick view sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $229.84 Add to Cart Compare Quick view sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view sku: 50R200 1-PHASE VOLTAGE MONITOR/190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $217.20 Add to Cart Compare Quick view sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $229.84 Add to Cart Compare Quick view sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view sku: 50R400 1-PHASE VOLTAGE MONITOR 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $229.84 Add to Cart Compare Quick view sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view sku: 111-INSIDER-P 111-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view sku: 231-INSIDER-P 231-INSIDER-P 1-PHASE PUMPSAVERPLUS The Littelfuse 231-Insider-P fits inside 1/3, 1/2, 3/4, and 1 hp, 230V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A calibration adjustment... MSRP: Now: $232.59 Add to Cart Compare Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view sku: 50R2002 1-PHASE VOLTAGE MONITOR/ 190-2 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected
Quick view sku: 50R4002 1-PHASE VOLTAGE MONITOR/ 380-4 The 50R single-phase voltage monitor has a voltage-sensing circuit which constantly monitors the single-phase power for a low voltage condition. Single-phase motors on fans, compressors, air conditioners, heat pumps, well pumps, sump pumps and small... MSRP: Now: $251.67 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected