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Does Multi-9 have a 480 V rating?


Issue:
Multi 9 (M9) breaker and 480V breaker

Product Line:
Circuit Breakers

Environment:
Applies to multi 9 (M9) circuit breakers

Cause:
Need a 480V breaker in the miniature style?

Resolution:
No, the multi 9 are not rated 480V.

The UL 1077 listed M9 is rated for 480Y/277, not 480 delta.
The IEC version has a 440Vac rating
The UL 489 version has a 480Y/277vac rating (.5A-20A), 240 volts (.5 -35A).

For additional information on the ratings please see systems catalog in technical library.

0860CT0201

http://products.schneider-electric.us/technical-library/

CTA-ID : 446
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