Top 10 High Accuracy Split Core CT Manufacturers in the world 2025

Introduction to High Accuracy Split Core CT

High Accuracy Split Core Current Transformers (CTs) are essential electrical devices used for measuring alternating current (AC). Unlike traditional solid - core CTs, split - core CTs can be easily installed around existing conductors without the need to disconnect the circuit. This feature makes them highly convenient for retrofitting applications and in situations where it is difficult to access the conductors. High - accuracy split - core CTs are designed to provide precise current measurements, which are crucial in various industries such as power distribution, energy management, and industrial automation. They help in monitoring power consumption, ensuring electrical safety, and optimizing the performance of electrical systems.

Top 10 Manufacturers

1. Wuxi Liou Electronics Co., Ltd.

Wuxi Liou Electronics Co., Ltd. is a leading manufacturer in the field of high - accuracy split - core CTs. The company is committed to providing high - quality products through continuous innovation and strict quality control. It has a team of experienced R & D engineers who are dedicated to developing advanced technologies to improve the performance of their split - core CTs.

Features in High Accuracy Split Core CT:

• High Precision: Their split - core CTs are known for their high measurement accuracy, which can meet the strict requirements of different industries. The accuracy is achieved through advanced manufacturing processes and the use of high - quality materials.
• Wide Range of Current Ratings: The company offers a wide range of current ratings, allowing customers to choose the most suitable CT for their specific applications. This flexibility makes their products applicable in various electrical systems.
• Good Stability: The split - core CTs from Wuxi Liou Electronics have excellent stability over time. They can maintain accurate measurements even in harsh environmental conditions, such as high temperatures and high humidity.

Advantages:

• Customization: The company can provide customized solutions according to the specific needs of customers. Whether it is a special current rating or a unique installation requirement, they can design and manufacture the appropriate split - core CT.
• Competitive Pricing: Wuxi Liou Electronics offers its products at competitive prices without sacrificing quality. This makes their products more accessible to a wide range of customers, including small and medium - sized enterprises.
• Good After - sales Service: The company has a professional after - sales service team that can provide timely technical support and maintenance services. This ensures that customers can use their products with confidence.

Website: https://www.ctsensorducer.com/

2. ABB Ltd.

ABB is a global leader in power and automation technologies. With a history dating back over a century, the company has a strong reputation for innovation and quality. ABB operates in more than 100 countries and has a large portfolio of products and services related to the power industry.

Features in High Accuracy Split Core CT:

• Advanced Technology: ABB uses state - of - the - art technology in the design and manufacturing of its split - core CTs. Their products incorporate the latest research in magnetic materials and signal processing to achieve high accuracy.
• High - Voltage Compatibility: ABB's split - core CTs are designed to work with high - voltage electrical systems. They can accurately measure current in high - voltage environments, which is crucial for power transmission and distribution applications.
• Smart Functionality: Many of ABB's split - core CTs are equipped with smart features such as communication interfaces. These interfaces allow the CTs to be integrated into smart grid systems, enabling real - time monitoring and data analysis.

Advantages:

• Global Presence: With its extensive global network, ABB can provide local support and services to customers around the world. This ensures that customers can get timely assistance and replacement parts.
• Reliability: ABB's products are known for their high reliability. Their split - core CTs are rigorously tested under various conditions to ensure long - term performance and durability.
• Comprehensive Product Portfolio: ABB offers a comprehensive range of split - core CTs, including different sizes, current ratings, and accuracy classes. This allows customers to find the perfect solution for their specific needs.

3. Siemens AG

Siemens is a well - known German multinational conglomerate that is active in various sectors, including energy, healthcare, and industry. In the field of electrical engineering, Siemens has a long - standing reputation for producing high - quality products.

Features in High Accuracy Split Core CT:

• Precision Engineering: Siemens' split - core CTs are the result of precision engineering. The company pays great attention to the details of the manufacturing process to ensure accurate and consistent performance.
• Compatibility with Automation Systems: Siemens' split - core CTs are designed to be easily integrated into industrial automation systems. They can provide accurate current measurements for process control and monitoring, helping to improve the efficiency of industrial production.
• High - Quality Materials: The company uses high - quality magnetic materials and insulation materials in its split - core CTs. This not only improves the accuracy of the measurements but also enhances the safety and reliability of the products.

Advantages:

• Innovation Leadership: Siemens is at the forefront of innovation in the electrical industry. The company continuously invests in research and development to introduce new features and technologies in its split - core CTs.
• Industry Experience: With decades of experience in the power and industrial sectors, Siemens has in - depth knowledge of the requirements of different industries. This allows them to develop products that meet the specific needs of customers.
• Training and Support: Siemens provides comprehensive training and support services to its customers. This helps customers to install, operate, and maintain their split - core CTs correctly.

4. Schneider Electric SE

Schneider Electric is a French multinational company that specializes in energy management and automation solutions. The company has a strong focus on sustainability and efficiency in its products and services.

Features in High Accuracy Split Core CT:

• Energy - Efficient Design: Schneider Electric's split - core CTs are designed with energy efficiency in mind. They consume less power during operation, which is beneficial for both the environment and the customer's energy costs.
• User - Friendly Installation: The company's split - core CTs are designed for easy installation. They come with clear instructions and simple mounting mechanisms, which reduces the installation time and cost.
• Environmental Adaptability: Schneider Electric's split - core CTs can operate in a wide range of environmental conditions. They are resistant to dust, moisture, and temperature variations, making them suitable for both indoor and outdoor applications.

Advantages:

• Sustainability Focus: Schneider Electric is committed to sustainability. Their split - core CTs are part of their overall strategy to help customers reduce their carbon footprint and improve energy efficiency.
• Global Service Network: The company has a global service network that can provide support to customers anywhere in the world. This ensures that customers can get prompt assistance in case of any issues.
• Integrated Solutions: Schneider Electric offers integrated solutions that combine split - core CTs with other energy management and automation products. This allows customers to have a comprehensive system for monitoring and controlling their electrical systems.

5. Honeywell International Inc.

Honeywell is a diversified technology and manufacturing company that operates in various industries, including aerospace, building technologies, and performance materials. In the field of electrical measurement, Honeywell has a range of high - accuracy split - core CTs.

Features in High Accuracy Split Core CT:

• High - Resolution Measurement: Honeywell's split - core CTs are capable of high - resolution current measurements. This is important for applications where precise current monitoring is required, such as in laboratory settings and high - end industrial processes.
• Robust Construction: The company's split - core CTs are built with a robust construction. They can withstand mechanical shocks and vibrations, which is beneficial in industrial environments where there may be heavy machinery and equipment.
• Digital Signal Processing: Honeywell uses digital signal processing technology in its split - core CTs. This helps to improve the accuracy of the measurements and provides additional features such as filtering and data storage.

Advantages:

• Diversified Industry Experience: Honeywell's experience in multiple industries allows them to understand the different requirements of various applications. They can develop split - core CTs that are tailored to the specific needs of different sectors.
• Advanced R & D: The company invests heavily in research and development. This enables them to introduce new and improved features in their split - core CTs, staying ahead of the competition.
• Quality Assurance: Honeywell has a strict quality assurance system in place. Their split - core CTs are tested thoroughly before leaving the factory to ensure that they meet the highest quality standards.

6. Eaton Corporation plc

Eaton is a power management company that provides a wide range of products and services related to electrical, hydraulic, and mechanical power. The company has a global presence and is known for its reliable and efficient solutions.

Features in High Accuracy Split Core CT:

• High - Capacity Current Measurement: Eaton's split - core CTs are capable of measuring high - capacity currents. This makes them suitable for large - scale power distribution systems and industrial applications where high - power equipment is used.
• Thermal Stability: The company's split - core CTs have good thermal stability. They can operate at high temperatures without significant degradation in performance, which is important in applications where there may be heat generated by the electrical system.
• Compliance with Standards: Eaton's split - core CTs comply with international standards and regulations. This ensures that they can be used in various countries and industries without any compliance issues.

Advantages:

• Power Management Expertise: Eaton's expertise in power management allows them to design split - core CTs that are optimized for overall power system performance. They can provide solutions that help customers to manage their power consumption more effectively.
• Global Distribution Network: The company has a well - established global distribution network. This ensures that customers can easily access Eaton's split - core CTs and related products in different parts of the world.
• Technical Support: Eaton provides comprehensive technical support to its customers. Their team of experts can assist customers in selecting the right split - core CT and provide advice on installation and maintenance.

7. Yokogawa Electric Corporation

Yokogawa is a Japanese company that specializes in measurement, control, and information technology. The company has a long history of providing high - quality measurement instruments, including high - accuracy split - core CTs.

Features in High Accuracy Split Core CT:

• Ultra - High Accuracy: Yokogawa's split - core CTs are known for their ultra - high accuracy. They use advanced measurement techniques and high - precision components to achieve extremely low measurement errors.
• Wide Frequency Range: The company's split - core CTs can operate over a wide frequency range. This makes them suitable for applications where the electrical system may have non - sinusoidal waveforms, such as in some industrial and renewable energy applications.
• Data Acquisition Capability: Yokogawa's split - core CTs are often equipped with data acquisition capabilities. They can collect and transmit current measurement data to a central monitoring system, enabling real - time analysis and control.

Advantages:

• Measurement Expertise: Yokogawa's in - depth knowledge of measurement technology allows them to develop split - core CTs with superior performance. They are constantly improving their products based on the latest research in the field of electrical measurement.
• Reliability in Harsh Environments: The company's split - core CTs are designed to be reliable in harsh environments. They can withstand high levels of electromagnetic interference and other environmental factors, ensuring accurate measurements in challenging conditions.
• Global Customer Base: Yokogawa has a large global customer base, which is a testament to the quality and reliability of its products. The company can provide support and services to customers around the world.

8. GE Grid Solutions (now part of Hitachi Energy)

GE Grid Solutions, now part of Hitachi Energy, has a long - standing reputation in the power grid industry. The company has been involved in the development and deployment of various power grid technologies, including high - accuracy split - core CTs.

Features in High Accuracy Split Core CT:

• Grid - Friendly Design: The split - core CTs from GE Grid Solutions (Hitachi Energy) are designed to be grid - friendly. They can provide accurate current measurements that are essential for grid monitoring and control, helping to maintain the stability and reliability of the power grid.
• Advanced Communication Protocols: The company's split - core CTs support advanced communication protocols. This allows them to be easily integrated into smart grid systems and communicate with other grid - connected devices.
• High - Voltage and High - Current Capability: GE Grid Solutions' split - core CTs are capable of handling high - voltage and high - current applications. They are suitable for use in transmission and distribution substations and other high - power grid infrastructure.

Advantages:

• Grid - Level Experience: The company's extensive experience in the power grid industry gives them a deep understanding of the requirements of grid - related applications. They can develop split - core CTs that are optimized for grid performance.
• Research and Development: GE Grid Solutions (Hitachi Energy) invests in research and development to improve the performance and functionality of its split - core CTs. They are constantly exploring new technologies and materials to enhance the accuracy and reliability of their products.
• System Integration: The company can provide system integration services. They can integrate their split - core CTs with other grid - management systems, providing customers with a comprehensive solution for power grid monitoring and control.

9. LEM International SA

LEM is a Swiss company that specializes in electrical measurement solutions. The company has a strong focus on innovation and quality in its products, which include high - accuracy split - core CTs.

Features in High Accuracy Split Core CT:

• Isolated Measurement: LEM's split - core CTs offer isolated measurement capabilities. This is important in applications where electrical isolation is required for safety reasons, such as in some medical and industrial equipment.
• Compact Design: The company's split - core CTs have a compact design. They can be easily installed in limited - space environments, such as in control panels and small electrical cabinets.
• Low Power Consumption: LEM's split - core CTs consume low power during operation. This is beneficial for applications where energy efficiency is a concern, such as in battery - powered or energy - conscious systems.

Advantages:

• Innovation in Measurement Technology: LEM is known for its innovation in measurement technology. They are constantly developing new products and improving existing ones to meet the changing needs of the market.
• Customized Solutions: The company can provide customized split - core CT solutions according to the specific requirements of customers. Whether it is a special form factor or a unique measurement range, LEM can design and manufacture the appropriate product.
• Quality Certification: LEM's products are certified to meet international quality standards. This gives customers confidence in the reliability and performance of their split - core CTs.

10. Hioki E.E. Corporation

Hioki is a Japanese company that manufactures a wide range of electrical measurement instruments. The company has a reputation for producing high - quality and reliable products, including high - accuracy split - core CTs.

Features in High Accuracy Split Core CT:

• High - Speed Measurement: Hioki's split - core CTs are capable of high - speed current measurement. This is useful in applications where fast - changing currents need to be monitored, such as in power electronics and motor control systems.
• Ease of Use: The company's split - core CTs are designed to be easy to use. They come with intuitive interfaces and clear instructions, which makes them accessible to both professional technicians and non - technical users.
• Long - Term Stability: Hioki's split - core CTs have long - term stability. They can maintain accurate measurements over an extended period of time, reducing the need for frequent calibration.

Advantages:

• Measurement Instrument Expertise: Hioki's expertise in manufacturing measurement instruments allows them to develop split - core CTs with high - performance features. They can provide accurate and reliable solutions for a wide range of applications.
• Customer - Centric Approach: The company has a customer - centric approach. They listen to the needs of customers and continuously improve their products based on customer feedback.
• Global Sales and Support: Hioki has a global sales and support network. This ensures that customers can get local support and service, no matter where they are located in the world.

Conclusion

The high - accuracy split - core CT market is highly competitive, with these top 10 manufacturers leading the way in terms of technology, quality, and innovation. Each of these companies has its own unique features and advantages, which allow them to meet the diverse needs of customers in different industries and applications. Whether it is for power distribution, energy management, industrial automation, or other electrical measurement requirements, these manufacturers can provide reliable and accurate split - core CT solutions. As the demand for more precise electrical measurement and control continues to grow, these companies are likely to continue investing in research and development to further improve the performance and functionality of their products.