Issue:
Maximum number of starts per hour

Product Line:
Altistart 48, ATS48

Environment:
All model and serial numbers

Cause:
40 starts per hour needed

Resolution:
For ATS48, the limit is 10 starts per hours for Standard Duty applications and 5 starts per hour for Heavy Duty applications.  If more than 10 starts per hour is needed, consider the variable speed drive products.

Standard Duty Applications In standard duty applications, the ATS48 soft starter is designed to provide:
• Starting at 400% of IN 1 for 23 seconds, or 300% of IN for 46 seconds, from a cold state
• Starting at 400% of IN for 12 seconds, or 300% of IN for 23 seconds, with a load factor of 50% and 10 starts per hour or an equivalent thermal cycling
• The motor thermal protection conforms to Class 10 overload protection.

Severe Duty Applications In severe duty applications, the ATS48 soft starter is designed to provide:
• Starting at 400% of IN for 48 seconds, or 300% of IN for 90 seconds, from a cold state
• Starting at 400% of IN for 25 seconds with a load factor of 50% and 5 starts per hour or an equivalent thermal cycling
• The motor thermal protection conforms to Class 20 thermal overload protection.

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