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. RES200K

NGR MONITOR TEST RESISTOR 200 KO

11.54

Littelfuse Inc. RES020K

NGR MONITOR TEST RESISTOR 20 KOH

11.54

Littelfuse Inc. SE-330-07-00

NGR MON UNIV SC FIBER RJ45 61850

4993.18

Littelfuse Inc. SE-330-20-00

GRND RES RELAY LOCAL ONLY DC SUP

3580.93

Littelfuse Inc. SE-325D

NGR MONITOR SUPPLY: 120 VAC/VDC

1566.84

Littelfuse Inc. SE-325E

NGR MONITOR 240VAC SUPPLY

1198.85

Littelfuse Inc. PGR-4700-24

SENS GRND FAULT RELAY 24VDC SUP

1170.32

Littelfuse Inc. EL731-00-00

AC/DC EARTH-LKGE RELAY 75-275V

1117.33