In the basic 3-wire control circuit of a 3-phase AC motor using a 3-pole electromagnetic motor -starter, two individual PB switches are required ___

Electrical Engineering MCQ
1

In the basic 3-wire control circuit of a 3-phase AC motor using a 3-pole electromagnetic motor -starter, two individual PB switches are required:

The ____________ PB switch serves to interrupt the start or run function of a 3-wire control circuit by electrically disconnecting the motor-starter solenoid.

A) NC Stop
B) NO Start
C) NO Stop
D) NC Start

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Answer:A

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