Return Policy
Return Request Form
Warranty Claim Form
Warranty Transfer Form
kVA Calculator
Fault Current Calculator
kW to kVA Calculator
The transformer supply chain is a mess right now. Remanufacturing transformers helps Maddox beat supply chain delays and get transformers to customers quickly.
Transformers have monitoring devices such as gauges, sample valves, and test ports to help identify issues in the transformer before they become critical.
Bayonet fuses play a crucial role in protecting transformers as well as preventing damage to electrical systems. Learn what they are and why they are important.
Oil cools a transformer's windings. Types of transformer oil include mineral oil, FR3® fluid, and silicone oil. Find out which is best for your transformer.
What bushing layout do you need for your substation transformer? The layout will depend on the bushing location, phasing, and type of terminal enclosures.
What kind of bushings do you need on your padmount transformer? Check out our padmount bushings guide to learn about different bushing types and applications.
Discover different types of transformers & their applications, including liquid-filled, dry-type, padmount, substation, polemount, and submersible transformers.
Overview of the common tests performed on transformers, including Winding Resistance, Megger, Transformer Turns Ratio, Load-Loss, Leak Tests, and others.
Is a copper or aluminum transformer coil better? Both are equally reliable and durable winding conductors. Aluminum is lower in cost. Copper is 20% heavier.
Try filtering another category.