Electric Motor Control

10th Edition
Publisher: CENGAGE L
ISBN: 9781133702818



Electric Motor Control

10th Edition
Publisher: CENGAGE L
ISBN: 9781133702818
Chapter 45, Problem 3SQ
Textbook Problem

What is the purpose of a double-break power contact?

To determine

Explain the scope of a double-break power contact.

Explanation of Solution

Double-break power contacts have two contact points that break or open the switch at two places.

Refer Figure 1, the upper portion shows that the contacts are opened and the circuit gets closed when the switch is acted upon automatically or manually...

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