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Wiz's avatar
Wiz
Explorer
Jun 13, 2015

Main breaker trips with A/C and Microwave on.->RESOLVED

My main circuit breaker trips if we start the microwave when the A/C is running. Today when it happened, I forgot to turn off the AC before resetting the breaker and the A/C wouldn't start. I turned i...
Salvo's avatar
Salvo
Explorer
Jun 14, 2015
The microwave and converter have a power factor around 0.7. Those currents are 40% greater than you think. Putting a scope on the ac line would be interesting. Have you measured voltage with a true rms meter?

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