Multi 9 (M9) breaker and 480V breakers
Applies to Multi 9 (M9) circuit breakers
Need a 480V breaker in the miniature style.
No, the Multi 9 breakers are not rated 480V delta.
The UL 1077 listed M9 is rated for 480Y/277, not 480V 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 download center.