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.

Part Number Manufacturer Description Quantity Price Option
EL731-01-00 Littelfuse Inc. AC/DC EARTH-LKGE RELAY 75-275V 0 $1851.34
SE-325DT Littelfuse Inc. NGR MON 120V GF TIME 0.1 TO 5 S 0 $1812.36
SE-325DS Littelfuse Inc. NGR MONITOR 120 VAC/VDC EXT RF T 0 $1812.36
SE-325DN Littelfuse Inc. NGR MONITOR 120 VAC/VDC NON-LATC 0 $1812.36
PGR-6100-120 Littelfuse Inc. MOTOR GROUND FAULT & INSUL RELAY 0 $1713.38
EL731-02-00 Littelfuse Inc. AC/DC EARTH-LKGE RELAY 75-275V 0 $1851.34
PGR-6100-240 Littelfuse Inc. MOTOR GROUND FAULT & INSUL RELAY 0 $1713.38
SE-325ST Littelfuse Inc. NGR MON EXTENDED RF TIME GF 0.1- 0 $1605.61
SE-325SN Littelfuse Inc. NGR MON EXTENDED RF TRIP NON-LAT 0 $1605.61
SE-325NT Littelfuse Inc. NGR MON 120 VAC NON-LATCH GF 0.1 0 $1605.61