Solid state relay circuit controls the motor-way operation

Circuit shown in Figure 3-13. Figure, RC surge absorption circuit is, R, zinc oxide varistors (such as MY31 type, MYH12 type, MYH20 type, etc.), an overvoltage protection devic

e. Resistance R- like to take 20 ~ 40C1 (big power 5w), capacitance C take 0. 22 ~ 0.47tF. Varistor R, optional flow capacity lkA, nominal voltage is 430 U1tnA 480V (AC 220V) or 750-820V (AC 380V).

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