Products

Maddox transformers are designed, built, and tested in accordance with the highest industry standards, including NEMA, ANSI C.57, DOE, and IEEE as applicable.

Oil Filled

3-Ph Padmount

Tamper-proof transformers designed for pedestrian-accessible areas.

Oil Filled

1-Ph Padmount

Maddox single-phase padmount transformer

Transformers designed to bring underground 1-phase power to homes and buildings.

Oil Filled

Polemount

Overhead type transformers for both large and small utility scale applications.

Oil Filled

Substation

Heavy-duty units built for demanding applications in non-public areas.

Dry-Type

Low Voltage Dry-Type

General purpose units built for <600V applications.

Dry-Type

Medium Voltage Dry-Type

Dry-type transformers for medium voltage power distribution where liquid-cooling is not an option.

Dry-Type

Cast Coil

Cast coil transformers for voltage power distribution in harsh environments.

Switchgear

Metal-Enclosed Switchgear

Metal-enclosed switches for safe switching and fusing protection for medium voltage systems.

Switchgear

Pad-Mounted Switchgear

Pad-mounted switches for underground switching and fusing protection.

Dry-Type

Mini Power Centers

Mini power centers composed of a transformer, primary circuit breaker, and secondary main breaker.

Services

Rent a Transformer

Need temporary power? Maddox has thousands of transformers you can rent that are perfect for your temporary power needs!

Transformer Rentals

TRANSFORMER REPAIR & FIELD SERVICE

Our highly skilled team is outfitted with the latest, state-of-the-art test and fabrication equipment, to inspect, test, and repair your transformer to ensure that it is in top working condition.

Transformer Repair

Maddox technician reconditioning a transformer

Made an Online order. Maddox was extremely helpful and was emailing me with updates on my order. They even called to make sure that I would be available to receive the transformer or if they had to delay the shipment, as l ordered closer to the end of the year I really appreciate the dedication they showed to making sure I got the product I ordered. The unit arrived and works great.

Calvin Kitchen

Maddox, your company is awesome !! very knowledgeable, great service and turn around time. thank you

James Christopher

Maddox website was easy to navigate, and showed what transformers were in stock.Luckily the step up transformer I needed was in stock, shipped within 24 hours, and was on my dock in 4 days. If you know exactly what you need, I would highly recommend Maddox based on my experience!

Andy Gredell

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