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-330-03-11

NGR MONITOR ETHERNET NC CE/C-T

4599.45

Littelfuse Inc. SE-330-01-11

NGR MONITOR DEVICENET NC CE/C-T

4599.45

Littelfuse Inc. SE-330-01-10

NGR MONITOR DEVICENET CE/C-T

4599.45

Littelfuse Inc. SE-330AU-23-01

NEUTRAL-EARTHING-RES MON 48VDC E

4559.99

Littelfuse Inc. SE-330-23-01

NGR MONITOR NC 48-VDC ETHERNET

4559.99

Littelfuse Inc. SE-330-21-01

NGR MONITOR NC 48-VDC D-NET

4559.99

Littelfuse Inc. SE-330-21-00

GRND RES RELAY DEVICENET DC SUP

4559.99

Littelfuse Inc. SE-330-23-00

GRND RES RELAY ETHERNET-DC SUP

4559.99