Why doesn't your breaker trip?

tvrgeek

Scott
Corporate Member
I believe "switch rated" means they don't have a bi-metallic to fatigue. Residential breakers are magnetic. ( You can do a Google search and see exactly how they are made) Breakers like the little push button ones on a tool, DeWalt 735 as a prime example, are a bi-metallic thermal breaker and 2 or three triggers they are shot becoming far more sensitive.
 

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