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Engine: Electricity

Question 657 of 1,386

In order to properly set up programmable motor protection, it is necessary to know the locked rotor current of a motor. Given the chart of code letters for locked-rotor kVA/HP and the necessary instructions shown in the illustration, calculate the estimated locked rotor current for the motor represented by the illustrated motor nameplate using a mid-range value for the code letter, assuming the motor is to run at 440 VAC. EL-0175

Illustration EL-0175: the U.S. Coast Guard has not released this illustration.
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