China Industrial disconnect switch Manufacturers, Suppliers, Factory

In order to better adapt to the new situation of economic, social and power grid development, improve the power supply capacity and adaptability of the distribution network, reduce the loss and power supply cost of the distribution network, save land resources, and meet the development needs of the power system for "boosting, increasing capacity, upgrading and optimizing the channel", On the basis of digesting and absorbing foreign advanced technologies and design concepts, our company has designed and manufactured YBM-24/0.4 series of "HV/LV prefabricated substation" (European box type substation) with 20kV distribution voltage grade, in which high-voltage switches, transformers and low-voltage switches are pre installed in the substation. High voltage switchgear shall be selected according to the principle of small size, oil-free, good performance, high reliability, maintenance free or less maintenance, which can realize terminal or looped network operation. The power distribution transformer shall be energy-saving and environment-friendly (low loss and low noise) transformer with Dyn11 connection group, tap and 20kV power supply. The product has the advantages of high power supply reliability, reasonable structure, flexible installation, convenient operation, small size, low cost, etc. It is used in the system with high voltage of 20kV, especially in the current 20KV system, and can be directly used after the system is transformed to 20KV. It can be widely used in industrial and mining enterprises, airports, stations, residential areas, ports, highways, subways and other places in the urban network transformation.

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 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.

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.

The LZW20-10 Split Core High Sensitivity Indoor Current Transformer is specifically designed for current, energy measurement, and microcomputer protection of power supply equipment in 10kV AC power systems. This current transformer offers several distinctive features, including compact size, lightweight construction, and easy installation, making it highly suitable for a wide range of applications, including compact ring network switchgear and capacitors. In terms of design, the LZW20-10 current transformer incorporates a toroidal core and secondary winding made from high-quality epoxy resin, which is vacuum-cast within a flame-retardant plastic housing. This specific construction ensures resistance to moisture, stable performance, and eliminates the need for maintenance. With its small size and lightweight construction, it occupies minimal space and can be easily fixed onto the sheath of electrical equipment such as ring network switchgear and capacitors. The installation process is simple and convenient, resulting in a harmonious and aesthetically pleasing appearance. The LZW20-10 current transformer is available in different types based on varying factors such as current ratio, accuracy class, and rated load. For specific parameters, please refer to the corresponding parameter table for each model. In summary, the LZW20-10 Split Core High Sensitivity Indoor Current Transformer is an ideal solution for accurate current and energy measurement, as well as microcomputer protection of power supply equipment in 10kV AC power systems. Its compact size, lightweight construction, and easy installation have made it widely used in various applications, including compact ring network switchgears and capacitors. The use of high-quality epoxy resin and vacuum casting ensures resistance to moisture and stable performance, eliminating the need for maintenance. With its convenience and harmonious appearance, it provides a reliable and efficient solution for current measurement and protection needs.

Introducing the innovative and reliable 35kv Cast Resin Three Phase dry type Power Transformer. Designed to meet the increasing demands of modern power systems, this high voltage power transformer guarantees exceptional performance and efficiency, making it the ideal choice for a variety of application scenarios. Thanks to our advanced R&D technology and years of industry experience, we have developed this cutting-edge transformer to withstand high voltage levels of up to 35kv. It is specifically designed to provide a safe and reliable power supply for industrial complexes, commercial buildings, and power plants, ensuring continuous and uninterrupted operations. Our cooperation cases with prestigious clients worldwide have testified to the superior quality and reliability of our transformers. With our dedication to exceeding customer expectations, we have gained a strong reputation in the market, and our high sales volume is a clear indication of the trust and satisfaction our customers place in our products. At our state-of-the-art production facility, we utilize the latest manufacturing techniques to ensure the highest quality standards. Our cast resin technology provides exceptional insulation properties, ensuring optimal performance and durability in all kinds of weather conditions. The dry type design eliminates the need for oil, making it a safe and environmentally friendly choice. With our substantial inventory, we guarantee fast and efficient delivery, minimizing downtime and ensuring smooth operations for our customers. Our transformers are thoroughly tested and meet all international standards, ensuring compliance and reliability. In summary, our 35kv Cast Resin Three Phase dry type Power Transformer is the epitome of excellence in high voltage power transformation technology. Its application versatility, proven performance through cooperation cases, groundbreaking R&D technology, robust production strength, high sales volume, and ample inventory make it the perfect choice for any organization seeking a dependable and efficient power transformer. Trust in our expertise, and let our transformer power up your business to new heights.