MAINTENANCE PM

[jimbo123]

Can some of you maintenance electricians tell me what size motor @480v do you start your megging pm's at and if it is more than a year in between pm's. Thanks for any feed back.

 

[RichB]

We used to do everything 3HP and up and at 1 year intervals--6 months if we were starting to notice a degradation--we picked 3HP because that was our break even point on rewinds