• Power Transformers

Power Transformers

Delta Star’s power solutions are engineered, manufactured, and tested for performance, reliability, and safety.

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The Beginning


Delta Star builds their first transformer.

Quality & Longevity


Years of reliable, continuous use each transformer is built to withstand.

Industry Dominance



Power transformers manufactured since 1961, and counting.

Power Transformer Capabilities

MVA Capabilities

Power Transformers200
Auto Transformer300
Voltage Regulator7
Grounding Transformer
Generator Step-Up7-300
Unit Auxiliary60

Designed to exceed the highest standards.

Power TransformerUp to 345
Auto TransformerUp to 345
Voltage RegulatorUp to 115
Grounding TransformerUp to 115
Generator Step-UpUp to 345
Unit AuxiliaryUp to 34.5

Trust The Experts

Customized Transformers

Our engineers use state-of-the-art transformer design software to ensure transformer reliability, accuracy and efficiency. This includes: TRDO, ELMAG-3D, TELAX-2D, and WELDINST.

Explore Power Distribution

Maximize the life of your transformer with expert support from our team of technicians who provide the expertise and experience to ensure peak substation performance.

Explore Field Service

From standard parts and kits to hard-to-find items, we have the inventory and connections to keep your customers powered.

Explore Parts & Kits

Ready To Get Started?

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