A 25-horsepower, three-phase induction motor has a nameplate rating of 32 amperes. The nameplate also shows a temperature rise of 30 degrees C. What is the overload size for this motor in amperes?
A) 20
B) 30
C) 40
D) 50

Question

Quizplus · Accepted Answer

The overload protection for a motor is typically set at 125% of the full-load current. For a 32-ampere motor, 125% of 32 is 40 amperes.

A 25-Horsepower, Three-Phase Induction Motor Has a Nameplate Rating of 32