Accreditation & Certification

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Current Transformer | Power Capacitors Manufacturer - CIC

Based in Taiwan, CIC | CHALLENGE INDUSTRIAL CO., LTD. is an electrical components & devices manufacturer since 1974.

Certified, compact and lightweight, ranging from surge protection device, ac line reactor, power capacitor, voltage power capacitor to indoor current transformers are provided. For current transformers, there are various KV current selections. For ac line reactor, there are high, middle, low voltages and more.

75,000 square foot manufacturing plant in Taiwan, incorporating other factories and partnerships in China, Vietnam, the Philippines, Malaysia and Indonesia, CIC has been offering worldwide customers high quality Current Transformers, Potential Transformers, Transformers, Bushings, Insulators, Reactors, Industrial Hardware, Meters, Capacitors.

Both with advanced technology and 43 years of experience, CIC ensures each customer's demands are met.

Accreditation & Certification


1. Certificate of Accreditation (Certificate No.: L1181-151224), issued to CIC's Advanced Electricity Laboratory by the Taiwan Accreditation Foundation (TAF) - an ILAC member and signatory to the ILAC MRA - in respect of the following testing services:

  • Routine Tests and Type Tests for current transformers and potential transformers (≦36kV)
  • Routine Tests for distribution transformers (≦24kV)

2. Manufacturer Certificate (Certificate No.: 10103008890), issued by the Bureau of Energy, Ministry of Economic Affairs, R.O.C., for the manufacture of:

  • Current transformers and potential transformers (≦36kV)
  • Distribution transformers (≦24kV)

3. Metrology License (Certificate No.: 05087), issued by the Bureau of Standards, Metrology and Inspection (BSMI), M.O.E.A., R.O.C.

4. ISO-9001 Quality Management System Certificate (Certificate No.: 4A4Y007-05), issued by the Bureau of Standards, Metrology and Inspection (BSMI), M.O.E.A., R.O.C. The scope of this registration includes the design, development and production of:

  • Current transformers
  • Potential transformers
  • Distribution transformers
  • Motor starting reactors
  • Series reactors