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For ATS48, What is the parameter for the maximum number of starts per hour?

There is no such limitation on the number starts per hour, However the limitation could arise from the motor manufacturer's data, thermal class of motor, motor duty,,,etc as successive starts/hour greater than those studied by manufacturer could cause motor windings to heat thus you can use a PTC & connect to the drive
In addition to motor duty, Nos. of starts per hour for ATS48 soft- starter depends on type pf application for which ATS48 is being used
So, after checking all the above points, you set s parameter for ATS48 called Time before starting "tbs" in the protection menu "pro", this is adjusted in seconds, it avoids starts in quick succession which may overheat the motor, you can check also the automatic restart parameter





 
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