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Soft starter ratings

thread248-88545

Soft starter ratings

Soft starter ratings

(OP)
There are many different ways in which designers determine the ratings that they will apply to soft starters. This results in a wide disparity in the reliability of products under equal conditions and leads to a lot of confusion for the end user. There are some standards, such as IEC60947-4-2 that describe how soft starters will be rated, but these do not cover how the ratings should be derived. I have a small discussion at : http://www.lmphotonics.com/forum/viewthread.php?tid=391 and I am interested in any ideas or information that you have.

Best regards,

Mark Empson
http://www.lmphotonics.com

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