What is the definition of ANSI 66 - Starts per hour?
Protection against motor overheating caused by:
- too frequent starts: motor energizing is inhibited when the maximum allowable number of starts is reached, after counting of:
- starts per hour (or adjustable period)
- consecutive motor hot or cold starts (reacceleration of a motor that is not shut down, indicated by a logic input, may be counted as a start)
- starts too close together in time: motor re-energizing after a shutdown is only allowed after an adjustable waiting time.
Released for: Schneider Electric United Arab Emirates
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