Split core current transformers (CTs) are essential components in modern electrical systems, prized for their ability to be installed without disconnecting live wires. This “clamp-on” feature makes them ideal for retrofitting, energy monitoring, and power analysis. China, a global manufacturing powerhouse, is home to numerous highly capable companies specializing in these devices.
Based on industry reports, export capabilities, and product specialization, here are 10 of the leading split core current transformer manufacturers in China.
Jiangyin Spark is a highly specialized manufacturer focusing squarely on current measurement technology. Their core offerings include a wide variety of Rogowski coils and split core CTs but they also excel in producing clamp on current transformer and other current sensors. Most of them have UL2808 certification .This deep focus makes them a go-to expert for precise current sensing solutions.
2. Chongqing Blue Jay Technology Co., Ltd.
Chongqing Blue Jay Technology stands out for its comprehensive product portfolio. They offer not only split core and solid core current transformers but also advanced DC Hall effect current transformers. This broad range makes them a versatile one-stop-shop for customers with diverse current measurement needs across both AC and DC applications.
3. Hefei Hemei Electronics Technology Co., Ltd.
Specializing in non-invasive measurement tools, Hefei Hemei is a key producer of split core and clamp-on current transformers. Their products are designed for easy installation and are widely used in energy management systems and sub-metering applications where interrupting the power supply is not an option.
4. Wuxi Liou Electronics Co., Ltd.
Wuxi Liou Electronics has carved out a reputation for producing high-accuracy split core CTs. Their products are specifically engineered for applications where precision is critical, such as building automation, power quality monitoring, and performance verification in retrofit projects.
5. ZhiKai Electric Co., Ltd.
ZhiKai Electric caters to a wider industrial market by manufacturing a diverse range of current transformers. Alongside their split core models, they also produce bushing CTs and medium voltage CTs, positioning themselves as a robust supplier for both standard power monitoring and more demanding, heavy-duty electrical infrastructure.
6. Xiamen ZTC Technology Co., Ltd.
Xiamen ZTC Technology is a globally-oriented manufacturer whose split core CTs are primarily designed for energy monitoring. A key strength is their adherence to international standards, holding certifications like CE and ETL. This makes their products a reliable choice for projects in North America, Europe, and other markets with stringent regulatory requirements.
7. Zhejiang Tuanjie Electrical Co., Ltd.
As a large-scale producer of instrument transformers, Zhejiang Tuanjie Electrical offers split core CTs as part of a much larger portfolio. Their established presence and extensive manufacturing capabilities in various electrical components signal a high level of experience and production capacity.
8. Wenzhou Heyi Electrical Co., Ltd.
Wenzhou Heyi is a significant player in the global supply chain, serving as an Original Equipment Manufacturer (OEM) for several major international brands. This speaks volumes about their quality control and manufacturing prowess. In addition to their OEM business, they supply a full range of their own branded split core current transformers .
9. Dalian Zhongguang Transformer Manufacturing Co., Ltd.
Dalian Zhongguang operates in the high-stakes world of medium to high-voltage equipment. Their focus is on current and voltage transformers for systems up to 35kV. The inclusion of split core designs within this high-voltage category makes them a unique supplier for specialized utility and industrial applications.
10. EPRO Electric Co., Ltd.
EPRO Electric showcases deep expertise in transformer technology. The company specializes in a comprehensive suite of products including current transformers, voltage transformers, and other related components. This holistic approach indicates a strong engineering foundation and the ability to deliver integrated solutions for power measurement and protection.
Disclaimer: This list is compiled from available manufacturer profiles and industry reports to highlight key players in the Chinese market. It serves as a guide for those looking to source high-quality split core current transformers.
