NHP TemBreak PRO P - OCR Power Supply

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TemBreak PRO P_BE-UM-001-EN V1.3.0
OCR Power Supply
Power to the P_BE OCR is self-powered whilst sufficient current is flowing through the MCCB, which provides a minimum power supply to operate and
provide alarm and configured protection functions
Minimum conditions for energizing the trip unit without an external power supply:
- Circuit breaker closed
- Minimum current through the circuit breaker; below is a table per rating
Trip unit rating
1 Pole fed
2 Poles fed
3 Poles fed
40A
─
> 14A
> 10A
100A
> 25A
> 15A
> 15A
160A
> 32A
> 16A
> 16A
250A
> 50A
> 25A
> 25A
400A
> 80A
> 40A
> 40A
630A
> 126A
> 63A
> 63A
Notice: 40A trip unit with 1 Pole feed, will still provide INST protection for I > 2x I
n
(>80A).