Go to https://webstore.iec.ch/ and put 'circuit breakers' in the Search
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On 2025-03-28 16:47, Donald Gies wrote:
Experts,
Can anyone point me to an IEC standard that details provisions for
testing interrupt currents or high breaking capacity in circuit
breakers, switchgear, etc.?
For instance, UL 489 – Molded-case circuit breakers has test
provisions for interrupt currents, and the UL card for DIVQ specifies
that breakers have been tested for a minimum of 5000A interrupt rating.
Thanks,
DON GIES
Field Service Engineer
p +1 346 313 6216
e [email protected] <mailto:[email protected]>
w gutor.com
17 Capitol Reef Road
Howell, NJ 07731
United States
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