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Fixed vs. Withdrawable Whitepaper

Schneider Electric

In the United States, medium-voltage (MV) power distribution typically uses withdrawable circuit breaker switchgear (WCBS). Withdrawable breakers allow for regular maintenance and provide an easily visible confirmation of circuit isolation but at a cost having removable parts and the act of inserting and withdrawing breakers could result in the possibility of arc flash incidents. Modern fixed circuit breaker switchgear (FCBS), which uses highly reliable and virtually maintenance-free vacuum and gas breakers, eliminates this concern and introduces other potential advantages.

Tags : fixed circuit breaker, withdrawable circuit breaker, medium voltage, switchgear, arc flash, air insulated switchgear, gas insulated switchgear, ansi


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Published:  Feb 08, 2018
Length:  12
Type:  White Paper