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Old 01-16-2025, 08:14 AM   #24
Badpuppy
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Join Date: Dec 2017
Location: Guthrie, OK
Posts: 1,247
Default Re: Electronic Circuit Breaker

Quote:
Originally Posted by DanK View Post
The power to trip the circuit breaker is the current squared times the resistance of the circuit breaker. It doesn't matter if that current comes from a 6 volt or a 12 volt source. Amps are amps.
True statements, but consider the middle one. At 6 volts, 4x current is required to trip a 12V thermal CB.

6v/R creates 1/4 (36/144) the heat of 12v/R, at 1/2 the amps.

Clear as mud, as they say.
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