Get the latest
Stay up-to-date on events, transformer best-practices, industry news, and special offers from Maddox.
The Benefits of FR3 Fluid in Transformers
FR3 fluid is the go-to cooling fluid in transformers. Learn all about FR3, and why you should choose it over mineral oil for your transformer.
Guide to Transformer Cooling Classes
The cooling system utilized by a transformer is its cooling class. Cooling protects transformers from heat damage and may also increase the transformer's kVA.
All Other Resources
Manuals for our 3-Phase Padmount, Unit Substation Dry-Type, 600v Dry Type, and Encapsulated/Potted Dry Type Transformers.
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.