Protection Relays & Systems

Protection relays detect abnormal operating conditions in an industrial system and may trigger an alert or isolate the offending device from the system. Common detection functions include; Arc-flash, temperature monitoring, ground fault, over-current, over-voltage, reverse power flow, over-frequency, under-frequency and phase loss, sequence or imbalance.


Littelfuse Inc. 777-P2

3-PHASE OLR/200-480V/2-800FLA+

472.43

Littelfuse Inc. SE-325

NGR MONITOR 120VAC SUPPLY

1198.85

Littelfuse Inc. SE-105

GROUND FAULT MONITOR

1077.45

Littelfuse Inc. EL3100-00

GRND FAULT INDICATE SYST 3PHASE

655.63

Littelfuse Inc. PGR-3100

GRND FAULT INDICAT SYST LED 30V

519.81