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Jason, Service Technician
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on a 3phase circuit breaker marked 16amp does that mean 16amp

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on a 3phase circuit breaker marked 16amp does that mean 16amp per phase or 16amp over all john.
Submitted: 6 years ago.
Category: Electrical
Expert:  Jason replied 6 years ago.
Hi John. A 16 amp breaker is a 16 amp breaker regardless of how many poles it feeds. It would be incorrect to add up the 3 poles for a total of 48 amps. Each pole is protected at 16 amps, but you would still refer to the breaker as a 16 amp breaker, not a 48 amp breaker.

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