Standard and custom-built transformers

Marcus Transformer manufactures standard and custom-built high quality, energy efficient industrial control and distribution dry-type transformers for the most discriminating commercial, industrial and institutional customers in North America. Marcus transformers benefit from a compact bobbin-wound/form-wound design, user friendly terminal boards, and are individually tested to ensure industry-leading reliability. Marcus products are TP1 and C802.2 compliant and are subjected to a rigorous Quality Control process to ensure long service and trouble-free operation.

Choose Marcus for your transformer needs.

• We offer Distribution & 
        Industrial Control Transformers

• We offer outstanding Customer Service

Our stock includes:

General Purpose Transformers / Power Conditioning and Harmonic Mitigating / Drive Isolation Transformers / Weatherproof and Epoxy Encapsulated / Auto Transformers / High Voltage Transformers / Core and Coil Open Type / Wind Turbine Transformers / Custom Designed Applications.

Single Phase (open style) / Terminal Block Design / Finger Safe / Three Phase (open style) / Three Phase (closed style) / Open Type (with leads) / Auto Transformers / Closed Style / Epoxy Encapsulated / Line Reactors / Chokes / Electronic Solid State / Custom Designed.

Leaders in Innovative Custom-Built Transformers

Ever since we opened our doors for business more than half a century ago, Marcus has been a leader in the innovative design of standard and custom transformers. Among our notable achievements, are that we have created new insulating materials to increase transformer life, incorporated unique magnetic cores to reduce sound levels and designed transformers that save over 30 percent annual energy compared to competitive makes. We have an on-going Research & Development program and are constantly striving to incorporate new developments into our products.

Marcus Transformer Technology

Marcus WATT+PLUS technology, available with pure electrolytic copper coil windings, is recognized as the standard of power for the electrical industry. Furthermore, all of our distribution Transformers, where applicable, meet the energy efficiency standards of NEMA TP 1, CSA C802.2, and Energy-Star. We’re proud of the reputation we’ve earned for making quality-built standard and custom transformers that deliver exceptional performance and savings. In addition to our standard lines of distribution transformers and industrial control transformers, we offer a large choice of custom transformers, which includes isolation transformers, harmonic mitigating transformers, drive isolation transformers, line reactors, buck-boost transformers, K-factor transformers, and European voltage transformers.

Outstanding Customer Service

As a well established, professional organization in business serving the electrical industry worldwide since 1942, we take great pride in treating our customers with the respect and attention they rightfully deserve. Marcus employs seasoned technicians to answer your questions and help solve complex issues to better help serve your needs. 

At Marcus Transformer, we value your business and prove it with competitive prices, on time deliveries, expert technical assistance and continued after-sales support.

If you have questions about our standard and custom-built transformers, call us. We have technicians standing-by to answer your transformer questions.