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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 Model ISS-105-ISO-F 5-Channel Intrinsically Safe Only Switch 120V <.75 Sec MSRISS105ISOF, Littelfuse ISS-105-ISO-F, 5-Channel, Intrinsically Safe Only, Switch, 120V, <.75 Second
Price: $542.49
Availability: Special Order
Littelfuse/Symcom Item #: MSRISS105ISOF -
Littelfuse Model PC-100-LLC-CZ Liquid Level Control Relay 95-120V 8-Pin Plug-In MSRPC-100-LLC-CZ Littelfuse PC-100-LLC-CZ, 95-120V, liquid level control relay, control conductive liquid, pump-up or pump-down
Price: $158.81
Availability: Special Order
Littelfuse/Symcom Item #: MSRPC100LLCCZ -
Littelfuse Model PC-100-LLC-GM Liquid Level Control Relay 95-120V 8-Pin Plug-In MSRPC-100-LLC-gm Littelfuse PC-100-LLC-GM, 95-120V, liquid level control relay, control conductive liquid, pump-up or pump-down
Price: $158.81
Availability: Special Order
Littelfuse/Symcom Item #: MSRPC100LLCGM -
Littelfuse Model PC-105 Five-Channel Pump Controller MSRPC-105 SymComPC-105, Five-Channel Pump Controller
Price: $558.44
Availability: Special Order
Littelfuse/Symcom Item #: MSRPC105 -
Littelfuse Model PC-200-LLC-CZ Liquid Level Control Relay 190-240V 8-Pin Plug-In MSRPC-200-LLC-CZ Littelfuse PC-200-LLC-CZ, 190-240V, liquid level control relay, control conductive liquid, pump-up or pump-down
Price: $158.81
Availability: Special Order
Littelfuse/Symcom Item #: MSRPC200LLCCZ -
Littelfuse Model PC-200-LLC-GM Liquid Level Control Relay 190-240V 8-Pin Plug-In MSRPC-200-LLC-gm Littelfuse PC-200-LLC-GM, 190-240V, liquid level control relay, control conductive liquid, pump-up or pump-down
Price: $158.81
Availability: Special Order
Littelfuse/Symcom Item #: MSRPC200LLCGM -
Littelfuse NEMA 3R-L [Enclosure Only] for Single-Phase PumpSaver Models motor protection, pump protection, motor saver, current protection, run dry protection, SymCom
In Stock!
Price: Call For Details
Availability: In Stock
Littelfuse/Symcom Item #: MSRNEMA3R-L -
Littelfuse OL-Reset Remote Reset Switch Kit for Model 777 SymCom’s OL-Reset, MSROLRESET, Remote Reset, 777 line, MotorSaver, PumpSaver, reset
Price: $65.16
Availability: Special Order
Littelfuse/Symcom Item #: MSROLRESET -
Littelfuse PC-102CICI-DL 2-Channel Dual-Seal Leak Detector 120V/2 Form C DIN Rail MSRPC-102CICI-DL SymCom PC-102CICI-DL, 120V, 2-channel dual-seal leak detector, to sense seal failures on pumps.
Price: $208.89
Availability: Special Order
Littelfuse/Symcom Item #: MSRPC102CICIDL -
Littelfuse PC-102CICI-LT 2-Channel Leak and Temp Detector 120V/2 Form C DIN Rail MSRPC-102CICI-LT Littelfuse PC-102CICI-LT, 120V, 2-channel dual-leak/temp detector, to sense seal failures and overheating on pumps.
Price: $208.89
Availability: Special Order
Littelfuse/Symcom Item #: MSRPC102CICILT -
Littelfuse RM1000 NEMA 4 Remote Monitor MSRRM1000NEMAR, Littelfuse RM-1000-NEMA4, RM1000 NEMA4, Remote Monitor
Price: $467.93
Availability: Special Order
Littelfuse/Symcom Item #: MSRRM1000NEMA4 -
Littelfuse RM1000 Remote Monitor MSRRM1000, SymCom RM-1000, RM1000, Remote Monitor
Price: $433.26
Availability: Special Order
Littelfuse/Symcom Item #: MSRRM1000 -

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