China Circuit breaker switch Manufacturers, Suppliers, Factory

The ZW8 Series Outdoor High Voltage Vacuum Circuit Breaker is a cutting-edge outdoor high voltage switch device with a rated voltage of 12KV. Specifically designed for power distribution systems in urban and rural networks, this circuit breaker serves the purpose of carrying, disconnecting, and reconnecting load currents, overload currents, and short-circuit currents. It is an ideal product for achieving oil-free operation, replacing traditional oil-immersed circuit breakers. The exterior insulation of the ZW8-12 vacuum circuit breaker is made of reliable silicone rubber material, which possesses excellent insulation performance and strong anti-pollution capabilities. Equipped with a spring-stored energy operating mechanism, the ZW8-12 vacuum circuit breaker supports manual, motorized, and remote-controlled opening and closing operations. Furthermore, it can be combined with an isolating switch on the side of the circuit breaker to form a composite outdoor high voltage vacuum circuit breaker and isolating switch assembly, which not only provides a visible isolation gap but also offers reliable interlocking operations. By pairing with a corresponding controller at user's request, it can be transformed into an AC high voltage vacuum automatic recloser or an automatic sectionalizer, equipped with its own operating power supply. It serves as an ideal solution for achieving automation in power distribution networks. The high voltage voltage transformer structure can be either external or internal. ZW8A-12 is a combination circuit breaker consisting of a ZW8-12 circuit breaker and an isolating switch, capable of functioning as a sectional switch. The ZW8 Series Outdoor High Voltage Vacuum Circuit Breaker offers exceptional reliability, robust performance, and advanced features to meet the demanding requirements of modern power distribution systems. Its outstanding insulation properties, complemented by the use of silicone rubber material, ensure reliable insulation performance and excellent resistance to pollution. The spring-stored energy operating mechanism allows for convenient manual, motorized, and remote-controlled operations, providing flexibility and ease of use in different scenarios. The unique combination of a circuit breaker and an isolating switch enhances the functionality of the ZW8 Series, enabling visible isolation gaps and reliable interlocking operations. Additionally, the option to integrate a controller allows for the creation of an automated power distribution system, further enhancing efficiency and control. The ZW8 Series is designed to be versatile and adaptable, enabling both external and internal high voltage voltage transformer structure setup based on specific requirements. This flexibility ensures seamless integration into various power distribution systems. In conclusion, the ZW8 Series Outdoor High Voltage Vacuum Circuit Breaker offers a reliable and efficient solution for power distribution systems in urban and rural networks. With its superior insulation performance, advanced operating mechanisms, and integration capabilities, it fulfills the demands of modern power distribution systems, facilitating a more reliable, automated, and efficient power distribution network.

The JN15-12 Indoor High Voltage Grounding Switch is a state-of-the-art electrical product designed for indoor applications, providing efficient grounding and isolation functions within high voltage systems. This switch guarantees the safety of personnel and the protection of electrical equipment, making it an essential component for any high voltage installation. Key Features: Enhanced Safety: The JN15-12 Grounding Switch incorporates advanced safety features, including reliable isolation to prevent accidental contact with high voltage circuits. It facilitates safe maintenance procedures by creating a visible break between the live conductors and grounding points, minimizing the risk of electrical accidents and ensuring the well-being of operators. Reliable Isolation: Designed as an isolator switch, the JN15-12 provides reliable isolation between circuit breakers and the main power equipment. This ensures efficient isolation during maintenance, preventing electrical hazards and equipment damage. Its robust construction and high-quality materials guarantee a long lifespan and reliable performance. Efficient Grounding: As an electric grounding device, the JN15-12 switch allows rapid and reliable grounding of high voltage circuits. It ensures a low resistance path to safely discharge electrical energy to the ground, protecting personnel and equipment from electric shocks and potential damages caused by ground faults. Versatile Functionality: The JN15-12 can serve as both a grounding switch and a circuit breaker switch, providing comprehensive control over high voltage systems. It facilitates smooth operations by enabling easy circuit interruption and the efficient restoration of power when required. Its versatility makes it an ideal choice for various indoor applications. Dependable Switchgear Grounding: The JN15-12 High Voltage Grounding Switch guarantees effective grounding of switchgear, preventing the buildup of residual voltage and eliminating the risk of electrical arcing or flashovers. This enhances the overall safety and reliability of switchgear installations, reducing the potential for downtime and equipment damage. Fault Isolation and Power Restoration: In the event of a ground fault, the JN15-12 acts as a ground fault isolator, swiftly isolating the faulted section and restoring power to unaffected areas. This feature ensures the continuous and dependable operation of critical electrical systems, minimizing disruptions and optimizing power distribution efficiency. Conclusion: In conclusion, the JN15-12 Indoor High Voltage Grounding Switch is a vital component for ensuring electrical safety and equipment protection in indoor high voltage systems. With its advanced safety features, reliable isolation and grounding capabilities, multifunctional design, switchgear grounding capabilities, and fault isolation and power restoration functions, this switch guarantees the effective and efficient operation of high voltage installations. Whether used in industrial plants, commercial buildings, or utility substations, the JN15-12 Grounding Switch is an essential choice for those seeking reliable, high-quality electrical equipment.

LMZC-10 Current Transformer - Accurate and Reliable Solution for Current Monitoring and Protection in Power Systems The LMZC-10 Current Transformer is an exceptional device designed for precise and reliable current measurement in AC circuits. Its innovative design and advanced technology make it an ideal choice for accurate current monitoring and protection in various power systems. At the heart of the LMZC-10 is a primary coil and a secondary coil. The primary coil consists of a specific number of turns and is connected within the measurement circuit. When an AC current flows through the primary coil, it generates an alternating magnetic field around it. This magnetic field, in turn, induces an electromotive force within the secondary coil. The secondary coil is wound around the primary coil, with fewer turns than the primary coil, to ensure proportional voltage output. To maintain a stable voltage output within an appropriate range, the LMZC-10 is equipped with a compensating coil. The compensating coil has the same number of turns as the secondary coil but with a reversed winding direction. This ingenious design ensures that the induced potential in the compensating coil counteracts the induced potential in the secondary coil, resulting in a stable and accurate output voltage. The output voltage from the secondary coil is then connected to a load circuit, which generates a voltage signal proportional to the current in the primary coil. By measuring this output voltage, the magnitude of the current in the primary coil can be accurately determined. This makes the LMZC-10 an invaluable tool for current monitoring and protection in power systems. The LMZC-10 Current Transformer offers numerous advantages. Its precise measurements provide accurate data for load management and fault analysis, allowing operators to make informed decisions regarding the power system. As a key component in electrical protection systems, the LMZC-10 ensures the safety and reliability of the entire system by enabling quick and accurate detection of abnormal currents or faults. In conclusion, the LMZC-10 Current Transformer offers a reliable and accurate solution for current measurement in AC circuits. Its primary and secondary coils, along with the compensating coil, work in harmony to provide stable voltage output and precise current measurements. With its advanced features and exceptional performance, the LMZC-10 is widely used in power systems for current monitoring and protection applications. Trust the LMZC-10 to deliver accurate and reliable results for your current measurement needs, ensuring the efficiency and safety of your electrical systems.

The LXK Series Zero Sequence Current Transformer is specifically designed for use in power systems and high-voltage three-phase AC generators and motors, providing effective protection against zero sequence overcurrent. It is suitable for indoor installation and can be used in 10kV and below, 50Hz line circuits. The outer diameter of the transmission cable should not exceed 120mm. Innovative Design: The LXK Series features a unique and innovative design, dividing the current transformer into two halves. These halves are then cast in resin to form a semicircular shape and connected using clamping brackets. This design allows for easy installation by separating and then merging the current transformer into a single unit, ensuring utmost convenience during setup. Secure and Reliable Protection: With the LXK Series, reliable protection is assured. The resin-filled construction of the transformer provides durability and safeguards against external factors. It ensures that accurate measurements of zero sequence current are obtained, enabling effective protection of various power system components, including three-phase AC generators and motors. This feature ensures the safety of the entire system. Versatile Applications: The LXK Series Zero Sequence Current Transformer has a wide range of applications. It is primarily used for measuring and protecting zero sequence current in power systems. Additionally, it plays a vital role in safeguarding high-voltage three-phase AC generators and motors. With its accurate measurements and reliable performance, it contributes to maintaining the optimal functioning and longevity of these critical components. Easy Installation and Integration: The LXK Series is designed with installation convenience in mind. The division of the current transformer into two halves simplifies the installation process. Once the halves are joined together, a seamless and integrated solution is achieved. This user-friendly installation method saves time and effort, allowing for efficient setup even in indoor locations. Durable Construction: The LXK Series Zero Sequence Current Transformer is built to last. The resin-filled, semicircular design provides exceptional strength and resistance to environmental factors. It ensures long-term reliability and eliminates the need for frequent maintenance. This sturdy construction guarantees uninterrupted protection, contributing to the overall efficiency and performance of the power system. Conclusion: The LXK Series Zero Sequence Current Transformer offers a comprehensive solution for effective protection against zero sequence overcurrent. Its unique design, ease of installation, and reliable performance make it an ideal choice for power systems and high-voltage three-phase AC generators and motors. With accurate measurements and durable construction, it ensures the utmost safety and efficiency. Choose the LXK Series for superior protection and peace of mind.

High Voltage Power 20kv Cast Resin Three Phase dry type Transformer:This cutting-edge transformer is designed to meet the ever-increasing demand for high voltage power in various industries. With its advanced technology and unparalleled performance, it has become the go-to choice for businesses worldwide. Our High Voltage Power Transformer is suitable for a wide range of industries including power generation, petroleum, chemical, metallurgy, and more. Its high voltage capability of 20kv makes it ideal for applications where substantial power is required. Whether you need to power large machinery, equipment, or industrial plants, our transformer can handle it all with ease. Our transformer's sturdy and reliable construction ensures long-lasting performance even under extreme conditions. The cast resin insulation technology used in its manufacturing provides excellent electrical insulation and thermal stability, making it a safe and durable choice. Additionally, the dry type design eliminates the need for oil-filled tanks, making it maintenance-free and environmentally friendly. As a result of our continuous research and development efforts, our High Voltage Power Transformer boasts state-of-the-art technology. Our team of experts is constantly striving to enhance its efficiency, reliability, and safety. With our stringent quality control measures in place, we ensure that each transformer meets the highest industry standards. With a strong production strength, we have the capacity to meet the increasing demand for High Voltage Power Transformers. Our well-equipped manufacturing facilities enable us to produce transformers in large quantities without compromising on quality. As a result, we have achieved an impressive sales volume and have become a trusted name in the industry. To cater to our clients' diverse needs, we maintain a vast inventory of High Voltage Power Transformers. This allows us to provide prompt delivery and excellent customer service. Whether you need a single transformer or require bulk orders, we have got you covered. In conclusion, our High Voltage Power 20kv Cast Resin Three Phase dry type Transformer 's high voltage capability, advanced technology, and reliable performance make it an indispensable asset for businesses across various sectors. Trust in our expertise and invest in our transformer to take your power needs to new heights.

The GN30-12 (D) type rotary indoor high-voltage disconnect switch is a newly designed isolation switch with a rotary knife mechanism. Its main structure consists of two sets of insulators and contacts fixed on the two planes of a three-phase chassis. By utilizing the rotary contact, the switch can be easily turned on and off. The GN30-12 (D) type switch is an upgraded version that includes a grounding knife on the basis of the GN30-12 type switch, making it suitable for various power systems. Its compact design ensures minimal space occupation, while also offering excellent insulation capabilities. Installation and adjustment are hassle-free. This product meets the requirements of GB1985-89 "AC high voltage isolating switch and the grounding switch" standards. It is suitable for indoor power systems with a rated voltage of 10kV AC and below, operating at a frequency of 50Hz. The switch is specifically designed for opening and closing circuits under voltage conditions without load. It can be used with a high voltage switch cabinet or as a standalone device