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JJlB-22～75/660-1/2 type auto-coupling step-down starter circuit
Source: InternetPublisher:JFET Updated: 2017/02/08
The circuit shown in the figure is suitable for starting an auto-coupling step-down starter of a three-phase AC motor with a rated voltage of 660V. Because the line voltage between L1, L2, and L3 is 660V, the control circuit is powered by the power transformer T. Latest Control Circuits Circuits
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