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Schneider Electric USA Website

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What does suffix 40T indicate on a legacy circuit breaker?

Issue:
Application

Product Line:
Molded Case Circuit Breaker

Resolution:
This is a mining duty breaker with an adjustable instantaneous trip range of 2500 to 5000 A. These breakers are obsolete and no longer available.

Schneider Electric USA

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Range:
KB, KE Circuit BreakersNEMA Circuit Breaker Combination Starters
Explore more
Range:
KB, KE Circuit BreakersNEMA Circuit Breaker Combination Starters
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