How do you size the circuit breaker and feeder?

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dahualin

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We have a project with one master control panel to control 5 motors with (4) 10hp and (1) 30hp. Their FLA is 14A and 40A respectively. One circuit breaker in MDP and one feeder to feed the master control panel. This control panel is going to turn on the five motors at exactly same time. How do you size the circuit breaker and feeder? Thanks.
 
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