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

Substation

image of a Maddox substation transformer

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

Dry-type

Medium voltage Dry-type

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

Dry-type

Low voltage Dry-type

image of a low-voltage Maddox transformer

General purpose units built for <600V applications.

Oil Filled

Padmount

Tamper-proof transformers designed for pedestrian-accessible areas.

Switchgear

Metal-Enclosed Switchgear

Load-interrupter switches for a range of applications.

Switchgear

Pad-mounted Switchgear

Multi-bay switchgear for outdoor, publicly accessible installations.


Services

picture of a grey transformer on wooden skids
Rent a Transformer

Need temporary power? Maddox Transformer's liquid-filled rental unit substation transformers are the perfect fit 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
picture of a Maddox technician welding a transformer
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