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Monitors & Relays
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Electrical Monitors measure various criteria of electrical current and take corrective action when needed. Browse voltage monitors, load sensors, remote monitors, relays and more below.

Littelfuse 777-LR-KW/HP-P2 Pump Monitor Overload Relay 200-480V 3-Phase 1-800 FLA Plus MSR777LRKWHPP2, Littelfuse 777-LR-KW/HP-P2, motor protection, pump protection, motor saver, current protection, run dry protection, SymCom
Price: $851.48
Availability: Out of Stock
Littelfuse/Symcom Item #: MSR777LRKWHPP2 -
Littelfuse 777-LR-P2 Pump Monitor Overload Relay 200-480V 3-Phase 1-800FLA Plus MSR777LRP2, Littelfuse 777-LR-P2, motor protection, pump protection, motor saver, current protection, run dry protection, SymCom
Price: $821.17
Availability: Out of Stock
Littelfuse/Symcom Item #: MSR777LRP2 -
Littelfuse 777-LR-TS Pump Monitor Overload Relay 200-480V 3-Phase 1-800FLA Plus MSR777LRTS, Littelfuse 777-LR-TS, motor protection, pump protection, motor saver, current protection, run dry protection, SymCom
Price: $898.10
Availability: Special Order
Littelfuse/Symcom Item #: MSR777LRTS -
Littelfuse 777-MLR-KW/HP-P2 Pump Monitor Overload Relay 3-PH 200-480V 0.5-740FLA MSR777MLRKWHPP2, Littelfuse 777-MLR-KW/HP-P2, motor protection, pump protection, motor saver, current protection, run dry protection, SymCom
Price: $898.10
Availability: Special Order
Littelfuse/Symcom Item #: MSR777MLRKWHPP2 -
Littelfuse 777-MRSW Manual Remote Reset Switch Kit for Model 777 Littelfuse 777-MRSW Manual Remote Reset Kit, 777 line, MotorSaver, PumpSaver,, manuall reset
Price: $105.69
Availability: Special Order
Littelfuse/Symcom Item #: MSR777MRSW -
Littelfuse 777-MV-P2 Pump Monitor Overload Relay 3-Phase 100-240V 10-800FLA MSR777MVP2, Littelfuse 777-MV-P2, motor protection, pump protection, motor saver, current protection, run dry protection, SymCom
Price: $835.26
Availability: Special Order
Littelfuse/Symcom Item #: MSR777MVP2 -
Littelfuse 777-P2 Pump Monitor Overload Relay 3-Phase 200-480V 2-800FLA Plus MSR777P2, Littelfuse 777-P2, motor protection, pump protection, motor saver, current protection, run dry protection, SymCom
Price: $821.17
Availability: Back Order
Littelfuse/Symcom Item #: MSR777P2 -
Littelfuse 777-TS Pump Monitor Overload Relay 190-480V 3-Phase 2-800FLA Temp.Sensor MSR777TS, 777-TS, motor protection, pump protection, motor saver, current protection, run dry protection, SymCom
Price: $898.10
Availability: Special Order
Littelfuse/Symcom Item #: MSR777TS -
Littelfuse 77C Pump Monitor Overload Relay 100-240V Single Phase 2-800FLA Littelfuse 77C, MSR77C, motor protection, pump protection, motor saver, current protection, run dry protection, SymCom
In Stock!
Price: $477.60
Availability: In Stock
Littelfuse/Symcom Item #: MSR77C -
Littelfuse 77C-KW/HP Pump Monitor Overload Relay 100-240V Single Phase 2-800FLA motor protection, pump protection, motor saver, current protection, run dry protection, SymCom, littelfuse
Price: $477.60
Availability: Special Order
Littelfuse/Symcom Item #: MSR77CKWHP -
Littelfuse 77C-LR Pump Monitor Overload Relay 100-240V Single Phase 1-9FLA motor protection, pump protection, motor saver, current protection, run dry protection, SymCom,littelfuse
Price: $477.60
Availability: Special Order
Littelfuse/Symcom Item #: MSR77CLR -
Littelfuse 77C-LR-KW/HP Pump Monitor Overload Relay 100-240V Single Phase 1-9FLA motor protection, pump protection, motor saver, current protection, run dry protection, SymCom, littelfuse
Price: $477.60
Availability: Special Order
Littelfuse/Symcom Item #: MSR77CLRKWHP -

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