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. MPU-32-X69X-01X00

GE RETRO RS-232 RS-485 CIM

4789.35

Littelfuse Inc. SE-330HV-08-01

NGR MON UNIV DUAL SC FIBER 61850

4694.4

Littelfuse Inc. SE-330HV-08-00

NGR MON UNIV DUAL SC FIBER 61850

4694.4

Littelfuse Inc. SE-330HV-07-01

NGR MON UNIV SC FIBER RJ45 61850

4694.4

Littelfuse Inc. SE-330HV-07-00

NGR MON UNIV SC FIBER & RJ45 618

4694.4

Littelfuse Inc. SE-330HV-06-01

NGR MON UNIV DUAL RJ45 61850 K4

4694.4

Littelfuse Inc. SE-330HV-06-00

NGR MON UNIV E-NET DUAL RJ45 618

4694.4

Littelfuse Inc. SE-330HV-03-01

NGR MONITOR HV ETHERNET NC

4694.4