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- Switch and Relay >
- Under-voltage protection relay >
- NR Electric
NR Electric under-voltage protection relays
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... reverse power protection (32R) • Two stages thermal overload protection (49P) • One stage undercurrent protection (37) • Breaker failure protection (50BF) • Flashover protection ...
NR Electric
... differential protection (87W) • Overexcitation protection (24) • Mechanical protection (MR) • Phase overcurrent protection (67P, 50/51P) • Earth-fault protection ...
NR Electric
... numerical relay provides protection for circuit breakers, which includes breaker failure protection, pole discrepancy protection, dead zone protection, phase/ negative ...
NR Electric
... Current differential protection (87T) • Transformer restricted earth fault protection (64REF) • Negative-sequence Overcurrent protection (50/51Q) • Overexcitation protection ...
NR Electric
... -stage phase overcurrent protection (50/51P, 67P) • Zero sequence overcurrent protection (50/51G, 67G) • Sensitive earth fault protection (51SEF, 67SEF) • Negative ...
NR Electric
... ground overcurrent protection. (67G, 50/51G) • Sensitive earth fault protection. (67SG/51SG) • Negative sequence overcurrent protection. (46) • Broken conductor detection. ...
NR Electric
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