Medium-Voltage Current Transformers Searched | Enhance Safety and Performance with Superior Epoxy Insulators | CIC

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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Medium-Voltage Current Transformers | Revolutionize Your Energy Systems with Advanced Distribution Transformers | CIC

Based in Taiwan since 1974, CHALLENGE INDUSTRIAL CO., LTD. specializes in manufacturing high-quality electrical products, including Medium-Voltage Current Transformers, 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.

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  • 3.6 kV Current Transformer, Coil Molded
    3.6 kV Current Transformer, Coil Molded
    EW-3S

    For measuring or monitoring instruments, this medium-voltage, indoor, coil molded current transformer is often used with the main panel or the motor control panel of a 3.6 kV (max.) power system. Insulated with Araldite® epoxy resin. Compact and easy to install.

  • Two-Core Coil Molded Current Transformer with Cut Cores, 3.6 kV
    Two-Core Coil Molded Current Transformer with Cut Cores, 3.6 kV
    EW-3C

    2-core (core type: cut-core), medium-voltage coil molded current transformer. Often used with the main panel or the motor control panel of a 3.6 kV (max.) power system. Good for protection. Suited to measuring and monitoring instruments. Araldite® epoxy resin.

  • 3.6 kV / 7.2 kV Current Transformers (1-Core / 2-Core & Single-Ratio / Dual-Ratio Options)
    3.6 kV / 7.2 kV Current Transformers (1-Core / 2-Core & Single-Ratio / Dual-Ratio Options)
    CR-3(6)S-T Series

    Intended for the main panel or the motor control panel of a 3.6/7.2 kV power system and designed to be used with measuring or monitoring instruments, or with protective relays. Each CT has a busbar terminal. Insulated with Araldite® epoxy resin.

  • 3.6 kV Two-Core Epoxy-Cast Current Transformer
    3.6 kV Two-Core Epoxy-Cast Current Transformer
    ER-3C

    Offering a higher rated current ratio, this medium-voltage, two-core current transformer is suited to the main panel or the motor control panel of a 3.6 kV (max.) power system and can be used with measuring or monitoring instruments, or with protective relays. Araldite® epoxy resin.

  • Epoxy-Cast Window-Type Current Transformers for Indoor Application, 3.6 kV
    Epoxy-Cast Window-Type Current Transformers for Indoor Application, 3.6 kV
    CR-3S Series

    2-core & single-core models. Indoor window-type current transformers for the main panel or motor control panel of a MV (≦ 3.6 kV) power system. Good for protection and appropriate for measuring and monitoring instruments. Araldite® epoxy resin.

  • Coil Molded Current Transformer with Cut Core, 12 kV
    Coil Molded Current Transformer with Cut Core, 12 kV
    EW-10SH

    Cut-core, medium-voltage, indoor-use, coil molded current transformer intended for a 12 kV (max.) power system and suited for measuring or monitoring instruments. Insulated with Araldite® epoxy resin.

  • 12 kV Two-Core Current Transformers
    12 kV Two-Core Current Transformers
    EWF-10D Series

    2-core current transformers designed for 12 kV (max.) power systems for use with measuring (or monitoring) instruments and protective relays, these products are cast in Araldite® epoxy and meet the requirements of all major electrical standards.

  • Multi-Ratio Current Transformers (Single-Core & Two-Core Types) for 15 kV (max.) Power Systems
    Multi-Ratio Current Transformers (Single-Core & Two-Core Types) for 15 kV (max.) Power Systems
    EO-10SC Series

    Single-core and 2-core indoor window-type current transformers for power systems ≦ 15 kV. Primary current: 500~3000 A (single-ratio or multi-ratio). Araldite® epoxy resin. Used with measuring or monitoring instruments, or for protection.

  • 24 kV Epoxy-Cast Current Transformers for Indoor Application
    24 kV Epoxy-Cast Current Transformers for Indoor Application
    EWF-20DA, EWF-20DB, EWF-20DD, EWF-20DE, EWF-20DS

    For use in conjunction with energy meters or protective relays. Available in single-core, 2-core, and 3-core models. Insulated with Araldite® epoxy resin. Custom-made to meet various requirements.

  • 24 kV Two-Core Current Transformer (“U-Shaped Top” Design)
    24 kV Two-Core Current Transformer (“U-Shaped Top” Design)
    EWF-20DI

    2-core epoxy-cast current transformer for a 24 kV (max.) power system. For use with measuring or monitoring instruments, and protective relays. “U-shaped top” design for safety and for a shorter distance between two current transformers installed side-by-side, thus reducing the required width of the switchgear panel.

  • Current Transformer for SF6 Gas-Insulated MOF Panel
    Current Transformer for SF6 Gas-Insulated MOF Panel
    MOF-24

    For power companies. To be mounted inside the SF6 gas-insulated MOF panel of a 25.5 kV (max) power system. With 2 primary coils, this current transformer offers 2 current ratios while maintaining the required accuracy and burden rating at each current ratio. Insulated with Araldite® epoxy resin.

  • 24 kV Two-Core Current Transformer (for Polluted Regions)
    24 kV Two-Core Current Transformer (for Polluted Regions)
    EWF-20DK

    2-core current transformer for a 20~24kV power system. Used in conjunction with measuring or monitoring instruments, and with protective relays. Epoxy cast. Designed to have greater creepage, it is appropriate for polluted regions.

  • Multi-Ratio Current Transformers (Single-Core & Two-Core Options) for 25 kV max. Power Systems
    Multi-Ratio Current Transformers (Single-Core & Two-Core Options) for 25 kV max. Power Systems
    CR-20S Series

    Current transformers for installation in a switchgear panel of a 25kV (max.) power system and to be used with measuring or monitoring instruments, or protective relays. These are economic models suited to locations of high humidity or moderate pollution. The insulation material for the core and the secondary coil is Araldite® epoxy resin.

  • Bushing Current Transformers for Draw-Out Circuit Breakers
    Bushing Current Transformers for Draw-Out Circuit Breakers
    HCB-2415(A), EBF-25M Series

    Multi-ratio bushing current transformers (bushing CTs, or BCTs) designed for 24kV draw-out circuit breakers and to be used with measuring (or monitoring) instruments or protective relays. IEEE 0.3 B-0.9. Cast in Araldite® epoxy.

  • Outdoor-Type Current Transformers / Extended Range Current Transformers (ERCTs) for Revenue Metering (12~36 kV)
    Outdoor-Type Current Transformers / Extended Range Current Transformers (ERCTs) for Revenue Metering (12~36 kV)
    AWF-12, AWF-24, AWF-36

    These outdoor current transformers for revenue metering, intended for 12~36 kV power systems, are used as part of an MOF (Metering Outfit) or for current monitoring. Insulated with UV-resistant cycloaliphatic epoxy resin, these medium-voltage (MV) current transformers are ideal for outdoor use and can be available as Extended Range Current Transformers (ERCTs) when requested.

  • 36 kV Multi-Ratio Current Transformers (Indoor Use)
    36 kV Multi-Ratio Current Transformers (Indoor Use)
    EWF-30D Series

    Suited to ≤ 36kV power systems, these multi-ratio current transformers are available in 2-core and 3-core options. Insulated with Araldite® epoxy and intended to work with measuring or monitoring instruments, or with protective relays.

  • High-Voltage (HV) Outdoor Current Transformer, 52 kV & 72.5 kV
    High-Voltage (HV) Outdoor Current Transformer, 52 kV & 72.5 kV
    AWF-52, AWF-72

    These high-voltage current transformers (52 kV or 72.5 kV), designed for outdoor use, are available in single-core and two-core varieties. Featuring extended creepage distance and insulated with UV-resistant cycloaliphatic epoxy resin, these current transformers can withstand solar ultraviolet radiation and IEC-defined pollution level III (“Heavy”). They’re especially ideal for regions with salt fog, high temperature, and high humidity.

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