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Direct Replacement for Kollmorgen and Parker servomotors

Kollmorgen and Parker servomotor 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 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 the 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.


BMR51XX series servo motors


Contact us at our Inquiry and Quotes page about pricing and delivery.


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Servomotor and Power Amplifier System for Viasat

Servomotor and Power Amplifier System

Boston, MA, March 2, 2011

Mechatronics System introduces Servomotor and Power Amplifier System designed to directly replace older systems designed by Scientific Atlanta (now Viasat).

The new motor and drive utilizes  state of the art AC Brushless Technology replacing bulky DC Motor and SCR controllers. The new motor and drive are smaller, lighter, have higher power, and are highly reliable.

All mechanical interface dimensions are identical with existing systems thus allowing for quick field replacement. The new package allows the users of Antennas and Radars to maintain the existing systems for years to come.

This is especially important in the current budgetary situation.


Contact us at our Inquiry and Quotes page about pricing and delivery.