Littelfuse 77C-LR-KW/HP Pump Monitor Overload Relay 100-240V Single Phase 1-9FLA Commercial & Industrial__Wastewater__Wastewater Pumps__Solids Handling__Hydromatic__Submersible Solids Handling Pumps__SB3S/SB3SD They prevent large solids from

They prevent large solids from leaving the tank

1 Year Shelf Life on Adhesives and 6 to 9 Month Shelf Life on Activators

Manual Alarm Reset

Red "Alarm" Light and Green "Power On" Light

Low Current Solar Applications & Other Low Current Panels and Alarm Applications

Littelfuse 77C-LR-KW/HP Pump Monitor Overload Relay 100-240V Single Phase 1-9FLA Commercial & Industrial__Wastewater__Wastewater Pumps__Solids Handling__Hydromatic__Submersible Solids Handling Pumps__SB3S/SB3SD They prevent large solids fromLittelfuse 77C LR KW HP Pump Monitor Product Description The 77C KW HP and 77C LR KW HP are fully programmable pump protection relays which will monitor the voltage and current for high or low voltage, overload and underload conditions based on power, in one package. The underpower trip feature is desirable anytime the current vs. load characteristic is non linear or has little change. In general terms, smaller motors and slow speed motors have little