Return Policy
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kVA Calculator
Fault Current Calculator
kW to kVA Calculator
Stay up-to-date on events, transformer best-practices, industry news, and special offers from Maddox.
Switchgear Basics: Learn what they are, how they work, and the key differences between metal-enclosed and pad-mounted switches.
Learn the key differences between kW and kVA. Get clear on transformer ratings, conversions, and power factor in simple terms.
K-factor rated transformers are designed to endure the heat of harmonics. Explore their components, rating levels, and common uses.
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.