Compact three-phase autotransformer configuration for voltage matching. Request a quote for the required voltage pair, kVA, and enclosure.
Shipping rates vary, but are generally 10% of the total purchase price.
Transformers deliver in 3-5 business days.
Read more here: Shipping Policy
Ordered the wrong unit, or not sure if a product is right for you? Our web store exchange policy has you covered! We’ll send you a replacement transformer, all you pay for is shipping, plus the difference in unit price. Our policy lasts 30 days. If 30 days have gone by since your purchase, we cannot offer you a refund or exchange, but we still may be interested in buying the unit back. Proof of purchase is required to process a return or exchange.
Read more here: Return and Refund Policy
Buy with confidence. All new and used Maddox transformers are tested and come with a full 5 year warranty against defects. If you experience any problems just give us a call and receive a replacement, free of charge. We'll even pay the shipping!
Read more here: Warranty, Terms and Conditions
Designed to convert between 600Y/347V and 480Y/277V, or between 480Y/277V and 380Y/219V, for industrial equipment and renewable-energy applications.
Autotransformers do not provide electrical isolation. Submit an inquiry so our team can confirm suitability for your application.
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Quick, reliable and very professional company!!
Quick and dependable service. We will use again in the future.
Quick delivery and great pricing!
