Page last updated Mar 12, 2016 @ 08:29pm


Coils-EatonATS-pair.jpg (30823 bytes) Coil-bobbin.jpg (8347 bytes) Coil-rectifier-varistor.jpg (41556 bytes) coil-newreplacement.jpg (26278 bytes)
Typical good and bad coils Typical bobbin Some have rectifiers and varistors under tape Replacement coil with new bobbin
click thumbnail image above to enlarge

Coil Rewind Service
for solenoids and contactors of automatic transfer switches
and some other equipment
Eaton, Cutler-Hammer, GE Zenith, ASCO, Cummins Onan, and others


Have a perfectly good automatic transfer switch with a failed operating coil?  Can't get a new replacement coil from the manufacturer?  Or do they want to sell you a whole new contactor assembly or switch at an exorbitant price?  We can usually help with a lower-cost rewind option!

Rewind Coil
If the coil looks like it overheated read on.  Or if the coil looks fine but no longer functions, it is probably open circuit in the winding.  This can be checked with a multi-tester.

Types of coils that we can rewind
We can usually rewind these types of coils...
     * open style with winding visible
     * encapsulated coils (can be replaced with open style)
     * winding covered with tape
     * winding on bobbin that can be reused
     * winding with hanging wire leads with stripped or crimp terminal ends
     * winding with fixed screw or slip-on terminals

Types of coils that we currently CANNOT rewind
We usually CANNOT rewind these types of coils...
     * winding contained with metal case that cannot be removed
     * winding on a toroid (donut)
     * winding on a transformer core which must be removed lamination by lamination

If in doubt email us a photo.

To place a rewind order
     * troubleshoot circuit to make sure that the coil is indeed failed
     * remove coil from mechanism and plunger
     * weigh the coil (to estimate copper content)
     * examine surface of coil for smoothness (if any large lumps then there may be
             additional components such as rectifiers, surge suppressors or dropping resistors)
     * inspect the bobbin to see if it can be reused (not badly deformed, burned, or melted)
     * if bobbin cannot be reused we can make a new new copy of it
     * check for another identical coil in good and working condition that can be sent for inspection
     * select options below and add to shopping cart
     * checkout and enter addresses
     * we will acknowledge order with instructions where to mail the coil(s)
     * after we receive the coil(s) we will perform a technical evaluation
     * if price will be different we will contact you with a revised price and give you the option to cancel at no charge
     * if we determine we cannot do the rewind we will return the coils to you at no charge




Price: $200
Price last updated 4/1/2015
Shipping Weight: 3 lbs.
This item normally ships in approximately 2-4 weeks or less.


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