Frequently asked questions
In the Enclosed ATS48 product line, what is the difference between class designations 8638 and 8639?
FA177945
28 July 2022
Issue:What is the difference between the 8638 and 8639 versions of the enclosed ATS48 series soft starters?
Product Line:
8638 and 8639 style Enclosed ATS48 soft starters.
Environment:
All makes, all models
Cause:
Customer wants to understand all available options
Resolution:
The 8638 version utilizes a fusible main disconnect while the 8639 version uses a circuit breaker main disconnect.