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
SE-330AU-02-00 Littelfuse Inc. NEUTRAL-EARTHING-RESISTOR MON. P 0 $4263.30
MPU-32-X69X-00X00 Littelfuse Inc. GE RETRO RS-232 CIM 0 $4086.10
SE-135-XGC-00 Littelfuse Inc. MONITOR GRD-FAULT GRD-CHK RELAY 0 $4076.21
SE-134C-XGC-00 Littelfuse Inc. GF-GC MON AC/DC SUPPLY EXT-GC 0 $4076.21
MPS-CTU-01-00 Littelfuse Inc. MPS W/STANDARD COMM CONTROL UNIT 0 $3632.69
MPU-32-00-01 Littelfuse Inc. KIT MPR WITH TIA-232 AND CIM MPU 0 $3587.22
MPU-32-00-00 Littelfuse Inc. KIT MPR WITH TIA-232 AND CIM MPU 0 $3587.22
MPU-32-04-01 Littelfuse Inc. MPR W/TIA-232/ETHERNET 0 $3459.44
MPU-32-04-00 Littelfuse Inc. MPR W/TIA-232/ETHERNET 0 $3459.44
MPU-32-02-01 Littelfuse Inc. MPR W/TIA-232/DEVICENET 0 $3427.29