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. 777-575-HRG-P2

3-PH OLR/500-600V/2-90FLA/

581.31

Littelfuse Inc. 777-MV-P2

3-PH OLR/100-240V/12.5-800FLA/

566.9

Littelfuse Inc. 777-LR-KW/HP-P2

3-PHASE POWER MONITOR/200-480V

566.9

Littelfuse Inc. 777-HVR-P2

3-PH OLR/340-480V/ 2-800FLA/

566.9

Littelfuse Inc. 777-HVR-LR-P2

3-PH OLR/340-480V/ 1-9FLA/

566.9

Littelfuse Inc. 777-FT

3-PHASE OVERLOAD RELAY/ 190-48

566.9

Littelfuse Inc. 777-ACCUPOWER

3-PHASE POWER MONITOR/190-480V

566.9

Littelfuse Inc. 777-575-KW/HP-P2

3-PHASE POWER MONITOR/500-600V

566.9