Voltage Regulator Support Group


Factory Support

Immediate solutions for customers' application questions are available through our experts in the Regulator Support Team. Our expert team is dedicated to providing answers to your technical questions.

Please help us to serve you better by selecting the appropriate resource.

Voltage Regulator Technical Support:

P: 866.975.7347
P: 262.896.2591 (International)
E: RES-VRSupport@Eaton.com

Contact Hours: Standard hours 8:00 am to 5:00 pm Central Standard Time.

Voltage Regulator Service Parts

Complete the job right the first time using genuine Cooper replacement parts. Why risk using un-tested, re-engineered parts on equipment costly to remove from service?

Our parts specialists can help you identify the right parts, even on regulators built in the 1950s. Supporting our legacy products is part of the Cooper heritage. Call 262-524-3300 for a quotation to obtain pricing and availability.

Need parts delivered to an international location?
Cooper Power Systems has been servicing global customers for over 50 years. Our export specialists are well versed on export codes and laws.

All other information requests including quotes, sale support and product literature:

Field Support

Cooper offers superior support through local Sales Engineers backed in the field by Regional Protection System Engineers that are able to diagnose and help find solutions for the most technical problems. The engineers are trained in both the control and the apparatus to ensure the entire system operates properly.


For over 50 years, Cooper Power Systems voltage regulator schools have trained more linemen, technicians, and engineers on the proper operation and programming of regulators and controls than any in the industry. Control training classes are available at the factory or on site.