China Motor Protection Device Manufacturers, Suppliers, Factory

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.

The LW3-12 SF6 outdoor 3 pole mounted vacuum circuit breaker is a new generation product developed by our company in accordance with the new requirements of the State Grid Corporation of China for the integration of primary and secondary systems. The switch configuration fully complies with the requirements of the State Grid for the integration of primary and secondary systems. With its compact design structure, rational layout, and comprehensive functionality, this circuit breaker meets all the specified criteria for the integration of primary and secondary systems by the State Grid. One of the key features of this circuit breaker is its use of unified-parameter protection current transformers (CT), zero-sequence current transformers (ZCT), and zero-sequence voltage sensors. These components offer a wide measurement range, high measurement accuracy, and exceptional reliability. With complete analog quantities, this circuit breaker enables accurate diagnosis of various faults on power lines. The LW3-12 SF6 outdoor 3 pole mounted vacuum circuit breaker is meticulously designed to ensure optimal performance and reliable operation. It guarantees the effective integration of primary and secondary systems, providing a secure and stable solution for power distribution networks. Key Features: Integrated Primary and Secondary Systems: The switch configuration complies with the requirements of the State Grid for the integration of primary and secondary systems. This ensures seamless compatibility and smooth operation within the power distribution network. Compact Design and Rational Layout: The circuit breaker is engineered with a compact design structure and a rational layout, optimizing the use of space and facilitating installation and maintenance processes. Comprehensive Functionality: With its comprehensive functionality, the LW3-12 SF6 outdoor circuit breaker meets all the specified criteria for the integration of primary and secondary systems by the State Grid. It effectively protects power lines against various faults, ensuring the stability and reliability of the power distribution network. Unified-Parameter Protection CT, ZCT, and Zero-Sequence Voltage Sensors: These components offer a wide measurement range, high measurement accuracy, and exceptional reliability. They enable accurate fault diagnosis on power lines, ensuring quick and effective response to any detected abnormalities. In conclusion, the LW3-12 SF6 outdoor 3 pole mounted vacuum circuit breaker is a cutting-edge product that meets the requirements of the State Grid for the integration of primary and secondary systems. Its compact design, rational layout, comprehensive functionality, and use of unified-parameter protection components make it a reliable and efficient solution for power distribution networks.

The ZW43-12 outdoor high voltagevacuum circuit breaker is a three-phase AC 50Hz switch device designed for outdoor high voltage applications with a rated voltage of 12kV. It is primarily utilized for interrupting and closing load currents, overload currents, and short-circuit currents in power systems. It is suitable for protection and control purposes in substations and industrial and mining enterprise distribution systems. This circuit breaker adopts a pillar-type, dry structure, ensuring reliable insulation, long electrical lifespan, and maintenance-free operation. It is particularly well-suited for frequent operation environments. It can also serve as a sectional switch in electrical networks and can be equipped with a controller to enable network automation. This product complies with standards such as GB/T1984 "High-voltage AC circuit breakers," GB/T1985 "AC high-isolation switches and grounding switches," and GB/T11022 "Common technical requirements for high-voltage switchgear and controlgear standards." Introduction to the Zw43-12 High Voltage Vacuum Circuit Breaker with Isolation Knife: The Zw43-12 High Voltage Vacuum Circuit Breaker with Isolation Knife is a state-of-the-art outdoor switchgear device that offers reliable and efficient operation in high voltage power systems. With a rated voltage of 12kV, it is specifically designed to meet the demands of modern power distribution and protection requirements. Key Features: Efficient Breaking and Closing: The Zw43-12 High Voltage Vacuum Circuit Breaker efficiently interrupts and closes load currents, overload currents, and short-circuit currents in power systems. It ensures the smooth operation of electrical systems and effectively protects electrical equipment. Reliable Insulation: This circuit breaker is designed with a pillar-type, dry structure, providing reliable insulation properties. It protects against electrical breakdowns and ensures safe operation, even in harsh outdoor environments. Long Electrical Lifespan: The Zw43-12 High Voltage Vacuum Circuit Breaker is built to last, offering a long electrical lifespan. Its high-quality materials and advanced design ensure consistent performance over an extended period of use. Maintenance-Free Operation: With its robust construction and high-quality components, this circuit breaker requires minimal maintenance, reducing downtime and associated costs. It is a reliable solution for continuous operation in various applications. Suitable for Frequent Operation: The Zw43-12 High Voltage Vacuum Circuit Breaker is specifically designed for frequent operation environments. Its durable construction and advanced mechanism enable smooth and reliable switching operations, even under high-frequency usage. Automation Capabilities: By adding a controller, this circuit breaker can be integrated into automated distribution networks. This enables efficient and remote monitoring, control, and management of power distribution systems. Application: The Zw43-12 High Voltage Vacuum Circuit Breaker with Isolation Knife is widely used in various applications, including substations and industrial and mining enterprise distribution systems. It is an essential component for protecting electrical systems and controlling the flow of electricity in high voltage power networks. Compliance with Standards: This product meets the requirements specified in GB/T1984 "High-voltage AC circuit breakers," GB/T1985 "AC high-isolation switches and grounding switches," and GB/T11022 "Common technical requirements for high-voltage switchgear and controlgear standards." It adheres to international standards, ensuring high-quality and reliable performance. In conclusion, the Zw43-12 High Voltage Vacuum Circuit Breaker with Isolation Knife is a cutting-edge switchgear device that offers efficient and reliable operation in outdoor high voltage applications. Its advanced design, robust construction, and compliance with industry standards make it an ideal choice for a wide range of power distribution and protection needs. With its long electrical lifespan, maintenance-free operation, and automation capabilities, it provides a cost-effective and efficient solution for modern power systems.

Our company specializes in supplying high-quality prefabricated substations to meet the growing demand for efficient and reliable power distribution solutions. We proudly present the ZGS-12kv 0.4kv American Type Outdoor Prefabricated Substation, designed specifically for outdoor use in various environments. Key Features: Versatile Outdoor Solution: This prefabricated substation is built to withstand outdoor conditions, making it the ideal choice for applications requiring an American-style, outdoor electrical substation. Efficient Power Distribution: With its advanced design, the substation ensures reliable power distribution with optimized performance and enhanced safety features. It effectively meets the requirements of power distribution substations, catering to a wide range of electrical needs. Quality Manufacturing: As a leading substation manufacturer and supplier, we take pride in our commitment to providing top-notch products. The ZGS-12kv 0.4kv American Type Outdoor Prefabricated Substation is crafted with precision and meets rigorous industry standards. Easy Installation: This prefabricated electrical substation is designed for seamless installation. Its modular structure enables efficient construction and reduces assembly time, allowing for quick deployment and integration into existing power grids. Competitive Pricing: We understand the importance of cost-effective solutions. We offer competitive pricing for the ZGS-12kv 0.4kv American Type Outdoor Prefabricated Substation without compromising on quality or performance. Applications: Suitable for a wide range of applications, including industrial, commercial, and residential areas, the ZGS-12kv 0.4kv American Type Outdoor Prefabricated Substation is an excellent choice for outdoor power distribution needs. It can be deployed in various settings, such as manufacturing plants, commercial complexes, residential communities, and infrastructure projects. Conclusion: As a reliable substation supplier, we provide the ZGS-12kv 0.4kv American Type Outdoor Prefabricated Substation with outstanding features designed to meet your power distribution requirements. With its durable construction, efficient performance, ease of installation, and competitive pricing, this substation offers a comprehensive solution for your electrical needs. Contact us today to learn more about pricing and how our substation can benefit your project.

The LW8-40.5kV High Voltage SF6 Gas Outdoor Vacuum Circuit Breaker is a state-of-the-art electrical equipment designed for outdoor high voltage applications. Operating at a frequency of 50Hz, this circuit breaker utilizes SF6 gas as the arc extinguishing medium. It is specifically suitable for controlling and protecting power distribution systems with a rated voltage of 35kV. Moreover, it can be utilized in contactor and capacitor bank switching applications. The inclusion of a current transformer allows for measurement and protection capabilities. Adhering to both national and international standards, the LW8-40.5kV High Voltage SF6 Gas Outdoor Vacuum Circuit Breaker reflects excellence in its design and functionality. It complies with the requirements outlined in GB 1984-1989 "AC High Voltage Circuit Breakers" and the International Electrotechnical Commission standard IEC60056:1987 "High Voltage AC Circuit Breakers." The LW8-40.5kV High Voltage SF6 Gas Outdoor Vacuum Circuit Breaker is equipped with the CT14 Spring Operating Mechanism. This mechanism enhances the performance and reliability of the breaker. By utilizing spring technology, it ensures efficient operation and supports convenient maintenance. Offering a high level of safety and reliability, the LW8-40.5kV High Voltage SF6 Gas Outdoor Vacuum Circuit Breaker is the ideal choice for various outdoor applications. Its ability to withstand high voltage levels and its compatibility with different systems make it a versatile solution for controlling and protecting electrical infrastructure. In conclusion, the LW8-40.5kV High Voltage SF6 Gas Outdoor Vacuum Circuit Breaker is a cutting-edge product renowned for its performance and durability. With its SF6 gas arc extinguishing medium and the integration of the CT14 Spring Operating Mechanism, it provides efficient operation and reliable protection in outdoor high voltage settings. Its compliance with national and international standards ensures the highest level of quality and safety. The LW8-40.5kV High Voltage SF6 Gas Outdoor Vacuum Circuit Breaker is the optimal choice for dependable control and protection of electrical systems in a wide range of applications.

The ZN63A-12 (VS1) indoor high-voltage vacuum circuit breaker is a highly efficient and reliable switching device designed for use in three-phase AC 50Hz rated voltage 12kV power systems. This circuit breaker is specifically engineered to provide protection for power grid equipment and power equipment used in industrial and mining enterprises, as well as for effective control unit operation. One of the key features of the ZN63A-12 (VS1) circuit breaker is its ability to handle frequent operation under rated operating current or multiple short-circuit current interruptions. This makes it well-suited for applications where robust and continuous performance is required. Whether used in power grid facilities or in industrial settings, this circuit breaker ensures optimal safety and protection. The integrated design of the operating mechanism and the circuit breaker body sets the ZN63A-12 (VS1) apart from other circuit breakers on the market. This innovative design not only enhances the overall efficiency of the circuit breaker, but also makes it incredibly versatile. The ZN63A-12 (VS1) can be used as a fixed installation unit, or it can be equipped with a special propulsion mechanism to form a highly portable and flexible handcart unit. With its user-friendly design, the ZN63A-12 (VS1) circuit breaker is easy to operate and maintain. Its high-voltage vacuum technology ensures superior performance and reliability, while minimizing the risk of malfunctions or breakdowns. This allows for uninterrupted operation and provides peace of mind to users. Safety is a top priority when it comes to electrical equipment, and the ZN63A-12 (VS1) circuit breaker has been designed with this in mind. It meets all necessary safety standards and regulations, offering maximum protection for both equipment and personnel. Its robust construction and durable materials make it resistant to various environmental conditions, ensuring its longevity and dependability. In addition to its outstanding performance and safety features, the ZN63A-12 (VS1) circuit breaker also boasts energy efficiency. It is designed to optimize power consumption, effectively reducing energy waste and lowering operational costs. This makes it not only a reliable and durable solution, but also an environmentally friendly one. Installation and maintenance of the ZN63A-12 (VS1) circuit breaker are hassle-free, thanks to its modular design. This allows for easy access to individual components, simplifying maintenance procedures and minimizing downtime. With a well-thought-out design, this circuit breaker ensures smooth installation and efficient operation. In conclusion, the ZN63A-12 (VS1) indoor high-voltage vacuum circuit breaker is a versatile, efficient, and reliable switching device that offers maximum protection for power grid equipment and power equipment in industrial and mining enterprises. Its integrated design, user-friendly operation, and energy efficiency make it an ideal choice for applications requiring frequent operation under rated operating current or multiple short-circuit current interruptions. With its superior performance, safety features, and low maintenance requirements, the ZN63A-12 (VS1) provides a long-lasting and cost-effective solution for various electrical systems.