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Toll Free: 1.800.387.2840



Our manufacturing facilities will be closed for two (2) weeks to undergo maintenance starting July 24th, 2017.

·      Full production will resume on Tuesday August 8th, 2017.

·      Monday August 7th is a holiday and all departments will be closed.


Sales and Customer Service personnel will be available throughout the closure to respond to inquiries during regular business hours.


Scheduled delivery of items already on order will not be affected by this closure.


Please let us know if you have any immediate concerns.

CSA & UL both “Qualify” Rex Power Magnetics as Test Facility

Both CSA (Canadian Standards Association) and UL (Underwriters Laboratories) have approved the Rex Power Magnetics  facility at 65 Basaltic Road in Concord, Ontario, Canada as a “Qualified” Product Evaluation and Test Facility. Measurements and test data generated by product evaluation testing by Rex personnel and laboratory equipment is now accepted by both CSA and UL for product approval and certification purposes.

We are proud of this “Qualification” that reflects confidence in our in-house test capabilities and in our professionalism and discipline for generating accurate and reliable evaluation, Test and measurement data.

REX Cast Coil Transformers now UL Marked

Rex Power Magnetics successfully completed the 2 year long life cycle testing of its insulation system for Cast Coil transformers and received a UL Certificate of Compliance per to UL1562 and IEEE Std. C57.12.01-2005 standards and can now display the UL mark.

Certificate number: 20140806-E199463
Report Reference: E122463-19990527

Cast Coil Transformers
up to 10MVA and 34.5kV. 180 °C insulation class.

Rex Power Magnetics has produced CSA approved Cast Coil transformers since 1997 with numerous installations successfully commissioned across North America and around the world.

The addition of the UL Mark along the CSA mark is a testament to the enviable track record of Quality, capsule performance and reliability of REX Cast Coil transformers.

Rex Power Magnetics among Canada's 50 BEST MANAGED COMPANIES for the 3rd Consecutive Year

Established since 1993 Canada’s 50 Best Managed Companies is the country’s most prestigious business awards program; it recognizes excellence in Canadian owned and managed companies with annual revenues over $10 million.

Our appreciation and gratitude goes to the more than 240 dedicated REX employees, Sales Representatives in Canada, the U.S. and abroad and respected customers.

Visit for more information on this leading business awards program.

Rex transformers received OSHPD Seismic certification

REX transformers received OSHPD Seismic Certification

Rex Power Magnetics transformers were Shake Table tested for Seismic withstand capability in accordance with the combined requirements of the International Building Code 2012 (IBC2012), the California Building Code 2013 (CBC2013) and the National Building Code of Canada 2010 (NBC2010). Read more...