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-22-01

NEUTRAL-EARTHING-RES MON 48VDC P

4487.4

Littelfuse Inc. SE-330AU-22-00

NEUTRAL-EARTHING-RES MON 48VDC P

4487.4

Littelfuse Inc. SE-330HV-02-01

NGR MONITOR HV PROFIBUS NC K4

4468.5

Littelfuse Inc. SE-330HV-02-00

NGR MONITOR HV PROFIBUS

4468.5

Littelfuse Inc. SE-330-02-00

GRND RES RELAY PROFIBUS UNIV

4468.5

Littelfuse Inc. SE-330-01-00

GRND RES RELAY DEVICENET UNIV

4455.54

Littelfuse Inc. SE-330-01-01

NGR MONITOR NC DEVICENET

4455.54

Littelfuse Inc. SE-330HV-05-01

NGR MON HV UNIV E-NET DUAL SC FI

4368.18