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- Switch and Relay >
- Programmable protection relay >
- NR Electric
NR Electric programmable protection relays
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... directional earth-fault protection (85)
NR Electric
... phase-to-ground distance protection (21L)
NR Electric
... phase-to-ground distance protection (21L)
NR Electric
... phase-to-ground distance protection (21T)
NR Electric
... detection
NR Electric
... PCS-921 numerical relay provides comprehensive protection and control for circuit breakers, including breaker-failure protection, pole-discrepancy and dead-zone protection, phase/negative-sequence ...
NR Electric
... shutdown protection (StShut)
NR Electric
... overvoltage protection (59P)
NR Electric
... Phase overcurrent protection (50/51P)
NR Electric
... COMTRADE)
Protection and Control
- Six-stage overcurrent protection (67P, 50P/51P) and six-stage neutral/ground overcurrent (67G, 50/51G)
- Four-stage
NR Electric
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