Medium Voltage Power Transformers: Reliable Power Distribution

Rex Power Magnetics Medium Voltage Power Transformers are designed to deliver reliable, efficient power distribution for industrial, commercial, and utility applications. Built for performance and durability, these transformers provide exceptional electrical and mechanical strength, long service life, and safe operation under demanding conditions.

Our medium-voltage line includes two primary dry-type construction options — VPI/VPE and Cast Coil — both engineered to meet rigorous electrical, thermal, and environmental requirements. Each design is supported by decades of proven Rex engineering experience and advanced manufacturing capability.

  • VPI/VPE Power Transformers – The windings are vacuum pressure impregnated (VPI) or vacuum pressure encapsulated (VPE) with high-temperature resin for outstanding insulation strength, moisture resistance, and thermal endurance. These designs offer excellent mechanical stability, low partial discharge, and long service life in a wide range of environments.
  • Cast Coil Power Transformers – Feature epoxy resin cast windings that form a solid, void-free structure, providing superior protection against moisture, dust, and corrosive contaminants. This construction delivers the highest short-circuit strength, low maintenance, and exceptional performance in harsh or outdoor conditions.

Rex Medium Voltage Power Transformers are designed and tested in accordance with CSA, UL, IEEE, and IEC standards to ensure safety, reliability, and consistent performance. Available in a broad range of kVA ratings, voltage classes, and enclosure configurations, each transformer can be custom-engineered to meet specific application, thermal, and environmental requirements.

With robust construction, precision engineering, and a commitment to quality, Rex Power Magnetics medium voltage transformers deliver dependable performance and long-term value in every installation.

Custom solutions for the systems that keep your industry running

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