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Service Factor: What is it and what does it do?

Publication date: 
August 2015
Author(s): 
Jim Bryan
Type of media: 
Article

There are many misconceptions about Service Factor (SF) in the industry. Some feel it is meant for temporary excursions into overload conditions; others consider it to be an allowance for permanent overload. The truth is that it is neither. 

Topic(s): 
AC motors
AC motor cooling