Dual power supply circuit contactor mutual investment 2


Posted on Dec 11, 2010

Dual power for each load refers to work simultaneously by the two-way power supply and two power supplies, respectively, the burden of electricity load. When at the way in whic


Dual power supply circuit contactor mutual investment 2
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h the power outage, contact switch automatically closing all the load circuit is not powered by power outages. Circuit is shown. Under normal circumstances, the power to 1 A load segment power bus No. 2 to the power supply section B bus load. Note: The circuit breaker QFi, QF2 auxiliary contacts must At a time (available mechanical tone than the main contacts first action the whole), otherwise two different power sources will merge in an instant, causing a short circuit.




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