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. AF0100-00-CC

ARC-FLASH RELAY UNIV W/CONFORMAL

1271.55

Littelfuse Inc. SE-704-0U-CC

SE-704-0U WITH CONFORMAL COATING

1257.07

TE Connectivity Aerospace Defense and Marine 9-1618107-2

WOUVT-3-480AC=RELAY, OVER/UNDERV

1256.93

TE Connectivity Aerospace Defense and Marine 7-1618107-9

WOUVT-3-120AC=RELAY,OVER/UNDERVO

1256.93

TE Connectivity Aerospace Defense and Marine 7-1618382-1

WOUV-125DC-H=RELAY,OVER/UNDERVOL

1249.13

Littelfuse Inc. SE-601-0T

DC GROUND FAULT RELAY 32-70 VDC

1223.09

Littelfuse Inc. SE-107EL

GF-GC MONITOR UVR LATCHING GC 24

1215.19

Littelfuse Inc. SE-105L

GF-GC MONITOR 120VAC LATCHING GC

1215.19