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Just to clarify most DC motors would never have a locked rotor current more than 4 times the rated FLA's? Generally how long does this current last for before returning to acceptable limits. DC's motors are rated to operate at 150% FLA's for one minute. Cheers

A Time overcurrent relay has been included. Also the details for the battery were Time to Discharge: 2,200A for 5seconds 1,400A for 10 seconds Cheers,

With three motors, 1 - 150 HP VDC motor and 2 - 65 HP VDC motors connected to a 240 VDC Battery, I am trying to find the initial voltage drop on the battery due to the inrush current on the motors. I have the information off the nameplates of each motor, 150 HP DC Series Motor 545 Amps,230...