Return Policy
Return Request Form
Warranty Claim Form
Warranty Transfer Form
kVA Calculator
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kW to kVA Calculator
Stay up-to-date on events, transformer best-practices, industry news, and special offers from Maddox.
Learn how transformer arresters protect electrical equipment from lightning and switching surges, the main arrester types, and how to choose the right one.
Portland Business Journal honors Maddox Industrial Transformer for its commitment to workforce development, company culture, and internal advancement.
Learn why transformers fail, what warning signs to watch for, and how to prevent unexpected downtime.
New to transformers? Check out our article below on what they are, why we need them, how they work, and some common types.
Manuals for our 3-Phase Padmount, Unit Substation Dry-Type, 600v Dry Type, and Encapsulated/Potted Dry Type Transformers.
Common transformer related terminology and definitions.
Our standard terms and conditions as well as our different product warranties.
Information about becoming a Maddox wholesale partner and the benefits included.
Our standard webstore returns and refund policy. This only applies for general purpose low voltage dry-type transformers purchased online.
Fill out this form if you bought the wrong transformer, or if you received the incorrect unit.
Our webstore shipping and delivery policy. This only applies for general purpose low voltage dry-type transformers purchased online.
Please submit your any warranty claim inquires with this form.
Information about our website terms of service.