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title: News and Events | Potomac Repairs
description: We repair DC and AC servo motors, CNC systems, and DC power supplies, offer replacements for obsolete servo motors, and retrofit CNC machines.
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  ![](https://www.potomacelectric.com/repairs/images/design/smallimagesstrip.jpg)





 

#  Newsflash 

![Kollmorgen and Parker servomotor replacement](https://www.potomacelectric.com/repairs/../images/stories/bmr51xx brushless servo motor.jpg "Kollmorgen and Parker Replacement")

Direct Replacement for Kollmorgen and Parker Servomotors

 

Boston, MA, January 10, 2012

Potomac Electric introduces a new generation of high-performance servomotors designed to directly replace the 5” and 6” Kollmorgen BR-310X and Parker MPM142XX AC brushless motors popular in the late 1980s and 90s.

Potomac Electric’s new BMR51XX series motor family features state-of-the-art electrical and mechanical design, rugged construction, and compact size. BMR51XX directly replaces obsolete servomotors made by Kollmorgen (now a division of Danaher), Custom Servomotors Inc. (now Parker), Electrocraft, and several others.

BMR51XX motors work flawlessly with BD3 and BD4 Kollmorgen drives.

Potomac Electric offers replacement motors with various shaft and mating plate combinations, resolvers, encoders, and brakes. All our products are designed and manufactured in the USA at our factory in Boston, MA.



   
![](https://www.potomacelectric.com/repairs/images/jdownloads/fileimages/pdf.png) [ BMR51XX series servo motors ](https://www.potomacelectric.com/repairs/images/stories/pdfFiles/bmr51xx_brochure.pdf) ![](https://www.potomacelectric.com/repairs/images/jdownloads/fileimages/pdf.png)

Contact us on our [Inquiry and Quotes](http://joomla3.potomacelectric.com/repairs/inquires) page about pricing and delivery.

Potomac Electric also supports the repair of all Danaher, Electrocraft, and Parker products, including both motors and drive electronics.