Cast Resin / Dry Type Transformer


  • Power rating: up to 24,000kVA.
  • Voltage rating: up to 35 kV.
  • Frequency: 50 Hz, 60 Hz.
  • Phase: single-phase, three-phase.
  • Temperature class: Class F (155°C), Class H (180°C), and Class N (200°C).

Salient Features

  • Low noise levels, ideal for indoor applications.
  • Low maintenance requirements.
  • Fire-resistant, corrosion resistant.
  • Compact, high efficiency, reducing energy losses and operating costs.
  • Environmentally friendly.

Cast resin transformer, also known as a dry type transformer or an epoxy resin transformer, is a type of electrical transformer that uses epoxy resin as an insulating material instead of oil. It is designed for indoor installations and is widely used in various applications, including commercial buildings, industrial plants, and renewable energy systems.

They can be designed for various voltage levels, power ratings, and frequency ranges, and can be used in various applications, including power distribution, motor control, lighting, and instrumentation.


  • Commercial buildings.
  • Industrial facilities.
  • Hospitals.
  • Renewable energy.
  • Marine and offshore.
  • Mining.
  • Data centers.
  • Residential.

Standards and Certifications

  • UL 1561
  • UL 5085-1
  • CE Marked
  • IEC 60076
  • DOE Standards
  • IEEE C57.12
  • ANSI/IEEE C57.12.00
  • IECEx Certification
  • ANSI/IEEEC57.98, ANSI/IEEE C57.12.80
  • ASTM A653

Also check out Liquid Filled Transformers.