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What is a magnetic-only breaker?

Published date: 16 July 2019

Product Line:
Circuit Breakers

Environment:
Electrical Distribution Equipment

Resolution:
A magnetic-only breaker is also known as a motor circuit protector or MCP. Square D magnetic-only breakers are called Mag-Gard. It is used to provide short circuit protection for a motor circuit where the overload or thermal protection is supplied by another device, typically an overload relay.
 

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