Metering & testing · 互感器
Instrument Transformer (CT/VT) Manufacturers & Suppliers in China (2026)
8 Chinese manufacturers and suppliers of instrument transformers (互感器), ranked by their registration, contact and product data. A further 2 companies are listed below with their registered names and contacts. Also known as current transformers (CTs) and voltage transformers (VTs/PTs).
Ranked instrument transformer manufacturers
- 01
XD Electric 西电XD Full profile
Complete AC and DC transmission and distribution equipment.
- High-voltage switches
- Transformers
- Reactors
- Power capacitors
- Instrument transformers
- Insulators and bushings
Why it ranks here: registered legal entity on file; email and phone published; operating since 1959.
- 02
CHINT 正泰 Full profile
Low-voltage electrical products and integrated energy solutions.
- Low-voltage circuit breakers
- Distribution boards
- Electrical control products
- Smart electrical equipment
- Energy management systems
- Renewable energy equipment
Why it ranks here: registered legal entity on file; email and phone published; operating since 1984.
- 03
DABEIHU 大北互DABEIHU Full profile
Surge arresters / Instrument transformers / Vacuum circuit breakers.
- Surge arresters
- Instrument transformers
- Vacuum circuit breakers
- Load-break switches
- Metering assemblies
- Insulation components
Why it ranks here: registered legal entity on file; email and phone published; operating since 1997.
- 04
TBEA 特变电工 Full profile
Transmission equipment, transformers and renewable energy projects.
- Power transformers
- Wire and cable
- High-voltage switches
- Electrical components
- Solar and wind equipment
- Turnkey power systems
Why it ranks here: registered legal entity on file; phone published; operating since 1988.
- 05
Sieyuan 思源电气Sieyuan
Registered as 思源电气股份有限公司 in 1993.
- Instrument transformers
- Disconnect switches
- Power capacitors
- Reactors
Why it ranks here: registered legal entity on file; email and phone published; operating since 1993.
- 06
DYH 大一互DYH
Registered as 大连第一互感器有限责任公司 in 2004.
- Instrument transformers
Why it ranks here: registered legal entity on file; email and phone published; operating since 1972.
- 07
Tai Kai Hu Gan Qi 泰开互感器
Registered as 山东泰开互感器有限公司 in 2003.
- Instrument transformers
Why it ranks here: registered legal entity on file; email and phone published; operating since 1997.
- 08
Ying Chun 迎春
Registered as 江苏靖江互感器股份有限公司 in 1980.
- Instrument transformers
Why it ranks here: registered legal entity on file; email and phone published.
More Instrument transformers manufacturers and brands
| Brand | Registered company | Website | Email / phone |
|---|---|---|---|
| Tian Ji Xing天际星 | 浙江天际互感器股份有限公司 | tjhgq.net | 0570-4332951 |
| Yi Hu亿互 | 大连第二互感器集团有限公司 | cndeh.com | 0411-83164327 |
What is an instrument transformer?
Instrument transformers scale down high currents and voltages so that meters and protection relays can measure them safely. Current transformers (CTs) and voltage transformers (VTs or PTs) are supplied for switchgear, substations and metering.
What buyers compare
- CT or VT, and ratio
- Accuracy class for metering or protection
- Burden (VA)
- Indoor or outdoor, and voltage class
- Standard: IEC 61869
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | XD Electric西电XD | Shaanxi | 1959 | China XD Group Co., Ltd. |
| 02 | CHINT正泰 | Zhejiang | 1984 | CHINT Group Co., Ltd. |
| 03 | DABEIHU大北互DABEIHU | Liaoning | 1997 | Dalian North Instrument Transformer Group Co., Ltd. |
| 04 | TBEA特变电工 | Xinjiang | 1988 | TBEA Co., Ltd. |
| 05 | Sieyuan思源电气Sieyuan | Shanghai | 1993 | 思源电气股份有限公司 |
| 06 | DYH大一互DYH | Liaoning | 1972 | 大连第一互感器有限责任公司 |
| 07 | Tai Kai Hu Gan Qi泰开互感器 | Shandong | 1997 | 山东泰开互感器有限公司 |
| 08 | Ying Chun迎春 | Jiangsu | — | 江苏靖江互感器股份有限公司 |
Frequently asked questions
How many instrument transformers manufacturers and suppliers in China are listed here?
10 companies are listed for instrument transformers (互感器). 8 Chinese manufacturers have full profiles and are ranked.
Where are China's instrument transformers manufacturers located?
Among profiled companies: Liaoning (2), Shaanxi (1), Zhejiang (1), Xinjiang (1), Shanghai (1).
How is this list ranked?
By the completeness and verifiability of each company's data: a registered legal entity, an official website, published contact details, a product range and company history. The rank is not a quality rating, and no company pays for its position. See How we rank for the full method.
How do I contact these manufacturers?
Each listing shows the company's official website and, where published, its email and phone number. Of the 10 companies listed, 10 have an official website and 7 publish an email address.