Tim Ganz
Member
I need to ask for help with Sizing a MCC bucket / breaker for a control panel. This panel has the following motors
5 HP 5.7 FLA
30 HP 36.0 FLA
3 HP 2.3 FLA
1 HP .25 FLA
Adding these up a 60 amp service should handle it but one of the guys here at work said to multiply the largest motors fla times 2 then add the rest and round up to the next size service. Doing it this way would be a 100 amp breaker?
Also we already have a spare 125 amp breaker bucket in the MCC would this be okay to use? WE have not ordered the control panel disconnect which the boss wants to be a breaker also. Would the control panels breaker need to be 100 amp or 125 amp in this case?
5 HP 5.7 FLA
30 HP 36.0 FLA
3 HP 2.3 FLA
1 HP .25 FLA
Adding these up a 60 amp service should handle it but one of the guys here at work said to multiply the largest motors fla times 2 then add the rest and round up to the next size service. Doing it this way would be a 100 amp breaker?
Also we already have a spare 125 amp breaker bucket in the MCC would this be okay to use? WE have not ordered the control panel disconnect which the boss wants to be a breaker also. Would the control panels breaker need to be 100 amp or 125 amp in this case?