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What information is available for rerating breakers for ambient conditions?
Issue:
What information is available for rerating breakers for ambient conditions?

Product Line:
Molded Case and Miniature circuit breakers

Resolution:
Molded case circuit breakers certified to UL 489 are designed and calibrated for use on 50/60 Hz AC systems in a 25 to 40 deg. C ambient environment. For application at temperatures outside this range or for extreme altitude and other conditions, refer to the technical catalog for the breaker. For older breakers, refer to data bulletin 0100DB0101, attached.

Schneider Electric New Zealand

Attachment(s)
Special Applic 0100DB0101.pdf [84.72 KB]
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