Circuit Breaker Size for S1 duty and S4 Duty

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kimseunghee

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I have two different duties of motors, S1 and S4. Let say, one motor is S1 rated 10A and antoher motor is S4 rated 10A. I choose 20A Circuit Breaker normally. Do I apply same way to select Circuit Breaker for different duties of motors
Please advise me ...
 
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