Medium-Voltage Potential Transformers | Elevate Power Distribution: Explore Premium Voltage Transformers | CIC

12/24 kV Epoxy-Cast Voltage Transformers, or Potential Transformers, for Indoor Use. (Models: EPF-20SI, EPF-20SN) / Serving a diverse client base around the world, CIC is a leading manufacturer and supplier of current transformers, potential transformers (voltage transformers), distribution transformers, epoxy insulators, electronic meters, and other electrical and electronic products.

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12 kV & 24 kV Epoxy-Cast Voltage Transformers (Potential Transformers) for Indoor Use | Enhance Safety and Performance with Superior Epoxy Insulators | CIC

Based in Taiwan since 1974, CHALLENGE INDUSTRIAL CO., LTD. specializes in manufacturing high-quality electrical products, including 12 kV & 24 kV Epoxy-Cast Voltage Transformers (Potential Transformers) for Indoor Use, current transformers, voltage transformers, distribution transformers, epoxy insulators, and power capacitors. With over 45 years of expertise and technology collaboration with Germany's MWB, CIC is ISO certified and offers products recognized for reliability in various industrial applications.

Challenge Industrial Co., Ltd. (CIC) stands at the forefront of electrical innovation, specializing in the manufacturing of current transformers, voltage transformers, distribution transformers, epoxy insulators, and power capacitors. With a legacy built on over 45 years of engineering excellence and leveraging advanced German technology, CIC commits to delivering high-quality, ISO-certified electrical solutions. Their comprehensive product range, paired with an ISO-certified approach and a TAF-accredited laboratory, ensures reliability and performance for a diverse global market. CIC is your go-to source for electrical components that power progress and efficiency.

CIC has been offering customers high-capacity power capacitors since 1974, both with advanced technology and 50 years of experiences, CIC ensures each customer's demands are met.

12/24 kV Epoxy-Cast Voltage Transformers, or Potential Transformers, for Indoor Use. (Models: EPF-20SI, EPF-20SN)
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12 kV & 24 kV Epoxy-Cast Voltage Transformers (Potential Transformers) for Indoor Use

EPF-20SI, EPF-20SN

Voltage transformers EPF-20SI and EPF-20SN are potential transformers for 12 / 24 kV power systems. These voltage transformers are cast in epoxy resin and designed for indoor applications, offering stable electrical characteristics and compliance with IEC or IEEE standards. Flexible configurations are available to meet different system requirements.

Medium-Voltage Potential Transformers

About the Product

Voltage transformers EPF-20SI and EPF-20SN are potential transformers designed for use in 12 kV or 24 kV power systems. Insulated with Araldite® epoxy resin, they provide superior moisture resistance and stable electrical characteristics. These voltage transformers can be customized to meet the requirements of different standards and technical specifications, and they have been widely adopted with a high level of customer satisfaction in many countries. 

Specifications
  • Indoor type
  • Cast in Araldite® epoxy resin
  • Standard: IEC or IEEE
  • System Voltage: 12 or 24 kV
  • Frequency: 50 or 60 Hz
  • Other standards and specifications available
(Model: EPF-20SI) Epoxy-Cast Potential Transformer(Model: EPF-20SN) Epoxy-Cast Potential Transformer
EPF-20SIEPF-20SN

Selection Table

10/20kV Epoxy-Cast Potential Transformers Specifications (Models: EPF-10B/20SE/20SI)

*For 22 kV / 110 V configuration only.
Note: Customized specifications are available upon request.

Available Models

EPF-20SI, EPF-20SN


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CIC Instrument Transformers Win “Best Product” at Taiwan’s 22nd National Brand Yushan Award

Challenge Industrial Co., Ltd. (CIC), a Taiwan-based manufacturer with over 50 years of experience in the development and production of electrical and electronic equipment, has been honored in the “Best Product” category at the 22nd National Brand Yushan Award. The recognition highlights CIC’s high-quality instrument transformers, designed for power system measurement and protection.

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