Answered: volt,(122V) relay has an inrush rating…

volt,(122V) relay has an inrush rating of 700VA and a hold-in rating of 150VA. Note X1=122V Determine, 1) the hold-in current and, 2) the inrush

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter11: Float Switches

Section: Chapter Questions

Problem 4SQ: Refer to the circuit in Figure 1110. What is the purpose of control relay CR in this circuit?

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Question

An X1 volt,(122V) relay has an inrush rating of 700VA and a hold-in rating of 150VA. Note X1=122V Determine, 1) the hold-in current and, 2) the inrush current.

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Refer to the circuit in Figure 1110. What is the purpose of control relay CR in this circuit?