Products and Services

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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