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A Masterpact NW opens slowly while the spring is being charged with the handle or while the motor is running.

Published date: 22 April 2019

Masterpact slow opens; what is the problem and fix?

Product Line
Circuit breakers

Masterpact NW

There is an internal problem with the breaker mechanism causing it to slow-open.  This cannot be repaired, so the breaker must be replaced.


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