Medium Voltage Transformers from Delta
September 14, 2026

Delta Transformers specializes in the design and manufacture of dry-type power transformers up to 15,000 kVA, 34.5 kV class. They are available as open type core & coils units or with a wide range of enclosures suitable for indoor or outdoor use. They are built to meet the most onerous duty requirements including power distribution stations, utility power generation, offshore drilling platforms, commercial and industrial buildings, and renewable energy.
Features and benefits:
- Efficiency: Meets Canada – SOR/2018-201,(NRCan 2019) & ON Reg. 404/12
- Ratings: Class 5 kV 150 – 3750 kVA, Class 15 kV 150-10000 kVA,
Class 25 kV, 300 – 15000 kVA, Class 35 kV, 500 – 15000 kVA - Windings: Copper and aluminum available
- Frequency: 60 Hz
- Insulation system: 220°C
- Enclosure type: 1, 2, 3R indoor and 3R outdoor
- Certification: CSA certified
- Warranty: 12 / 18 months*
* 12 / 18 month warranty: 12 months from energizing \ 18 months after shipment whichever date comes first.
About Delta
For more than 40 Years, Delta Transformers has been designing and manufacturing high-quality dry-type transformers to meet the growing market’s needs for efficient and reliable power. Recognized as a leader in the Canadian market, they are proud of Delta Transformers’ legacy in the industry and continue to provide an extensive offering of standard and engineered-to-order products.
More Information
Medium Voltage Transformers Brochure View Document
Instructions for installation, operation & maintenance for indoor/outdoor ventilated dry-type transformers View Document
Related Story
Delta Transformers Enhances General Purpose Portfolio
Delta Transformers has enhanced its transformer portfolio, providing customers with two clearly defined low voltage distribution transformer solutions designed to meet a broad range of commercial, institutional, and industrial applications.
