NEN 10947-2
Low-voltage switchgear and controlgear - Part 2: Circuit-breakers
| Organization: | NEN |
| Publication Date: | 1 February 1996 |
| Status: | inactive |
| Page Count: | 2 |
| ICS Code (Fuses and other overcurrent protection devices): | 29.120.50 |
scope:
This standard gives guidance on and requirements for the coordination of circuit-breakers with other SCPDs associated in the same circuit, as regards discrimination as well as back-up protection. The object of this standard is to state: - the general requirements for the coordination of a circuit-breaker with another SCPD; - the methods and the tests (if deemed necessary) intended to verify that the conditions for coordination have been met.
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