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.

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Littelfuse Inc. SE-330AU-23-00

NEUTRAL-EARTHING-RES MON 48VDC E

4883.04

Littelfuse Inc. SE-330AU-21-01

NEUTRAL-EARTHING-RES MON 48VDC D

4883.04

Littelfuse Inc. SE-330AU-21-00

NEUTRAL-EARTHING-RES MON 48VDC D

4883.04

Littelfuse Inc. SE-330-23-11

NGR MONITOR 48VDC ETHERNET NC CE

4824.9

Littelfuse Inc. SE-330-23-10

NGR MONITOR 48VDC ETHERNET CE/C-

4824.9

Littelfuse Inc. SE-330-21-11

NGR MONITOR 48VDC D-NET NC CE/C-

4824.9

Littelfuse Inc. SE-330-21-10

NGR MONITOR 48VDC DEVICENET CE/C

4824.9

Littelfuse Inc. MPU-32-X69X-02X00

GE RETRO RS-232 DEVICENET CIM

4821.25