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Dry-Type Bushing Current Transformers for GIS or Power Transformers / 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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Based in Taiwan since 1974, CHALLENGE INDUSTRIAL CO., LTD. specializes in manufacturing high-quality electrical products, including Dry-Type Bushing Current Transformers for GIS or Power 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.


Dry-Type Bushing Current Transformers for GIS or Power Transformers

TB-1M Series

Suited to power transmission and distribution systems and intended to work with measuring or monitoring instruments, or with protective relays, these bushing CTs (BCTs) can also be used with GIS or in conjunction with power transformers bushings. Insulation tape or epoxy resin as insulation material.

About the Product

Dry-Type Bushing Current Transformers TB-1M Series, suited to power transmission and distribution systems, are intended to work with measuring or monitoring instruments, or with protective relays. These current transformers can also be used in gas-insulated switchgear (GIS) – the CT is placed in either SF6 gas or in air. Alternatively, these current transformers can be used in conjunction with power transformer bushings; in this case, the CT is immersed in insulation oil. CT sizes can be specially requested, and the customer can choose between insulation tape or epoxy resin for the insulation material. The secondary side can be equipped with either lead wires or secondary terminals.

Specifications

  • Standards: IEC or IEEE
  • Frequency: 50 or 60 Hz
  • AC/BIL: 4/10 kV
  • Multi-ratio
  • Type-tested

Selection Table

Dry-Type Bushing Current Transformers for GIS or Power Transformers - Selection Table

* Current ratios according to IEEE C57.13
Note: Other standards and specifications available upon request


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