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What is an MAR Circuit Breaker?

Published date: 05 December 2018

Issue:
Is MAR a valid circuit breaker prefix?

Product Line:
Circuit Breaker

Environment:
Circuit Breakers with prefix MAR

Resolution:
The MAR was a drawout, I-line circuit breaker, for use in obsolete type DO I-line switchboards. The MAR breakers are no longer available (obsoleted in 2008).

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