When referring to motors, to what does the "insulation class" relate?
A) the noise level of the motor
B) the type of base on which the motor is mounted
C) the normal operating temperature of the motor
D) both a and b

Question

Quizplus · Accepted Answer

Insulation class relates to the normal operating temperature of the motor. It determines the maximum allowable temperature and the type of insulation used to protect the motor windings from overheating and potential failure.

When Referring to Motors, to What Does the "Insulation Class