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-330HV-22-00 Littelfuse Inc. NGR MONITOR HV LVPS PROFIBUS 0 $4692.60
SE-330-22-01 Littelfuse Inc. NGR MONITOR NC 48-VDC PROFIBUS 0 $4692.60
MPS-469X-01000 Littelfuse Inc. MPS GE469 RETROFIT KIT 0 $4684.98
SE-330-22-00 Littelfuse Inc. GRND RES RELAY PROFIBUS DC SUP 0 $4692.60
SE-330-08-00 Littelfuse Inc. NGR MON UNIV DUAL SC FIBER 61850 0 $4648.82
SE-330-07-01 Littelfuse Inc. NGR MON UNIV SC FIBER RJ45 61850 0 $4648.82
SE-330-06-01 Littelfuse Inc. NGR MON UNIV DUAL RJ45 61850 K4 0 $4648.82
SE-330AU-05-01 Littelfuse Inc. MONITOR NGR UNIV DUAL SC FBR 0 $4646.19
SE-330-06-00 Littelfuse Inc. NGR MON UNIV E-NET DUAL RJ45 618 0 $4648.82
SE-330AU-04-01 Littelfuse Inc. MONITOR NGR UNIV SC FBR/RJ45 0 $4646.19