According to the rated duty of the contactors, the number of operations per hour in case of  will be around

According to the rated duty of the contactors, the number of operations per hour in case of  will be around

Right Answer is:

1200

SOLUTION

The rated duty of the contactors is defined as the number of duty cycles ranging from uninterrupted duty (contactor closed for an indefinite period) to an intermittent duty of 1,200 operating cycles per hour.

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