China Medium voltage switchgear Manufacturers, Suppliers, Factory

The JSZV18-10R is a dry type resin potential transformer designed for use in inflatable ring main units. It features a fully enclosed structure with epoxy resin casting, providing excellent insulation and protection. This product meets the standards of GB20840.3 and IEC60044-2, ensuring reliable performance and compatibility. It is rated for insulation levels of 12/42/75KV and operates at a frequency of 50HZ. Developed and manufactured by Zhejiang Rongzhi Electric Co., Ltd., the company specializes in the research, production, and sales of current transformers, voltage transformers, fault indicators, and dehumidifiers for switchgear. One of the key features of this product is its built-in protection device for prevention of abnormal overvoltage on the secondary side of various current transformers (CT). The compact size of the protection device saves space. Additionally, the protection device requires no maintenance and is easy to install and operate. It can be directly connected to the secondary winding terminals of the current transformer, and the lead wires do not require specific polarity. The JSZV18-10R dry type resin potential transformer is an ideal solution for applications requiring reliable voltage sensing and protection in inflatable ring main units. It offers superior performance, convenience, and space-saving advantages.

KYN28-24 switchgear is a high-voltage switchgear, mainly used in substations, industrial and mining enterprises, and urban distribution networks. The following is an explanation of the product working principle of the KYN28-24 switchgear: Main components: KYN28-24 switchgear is composed of main components such as circuit breaker, isolating switch, grounding switch, motor drive mechanism and interlocking device. These components work together to make the switchgear work properly. Workflow: When the power system fails or needs to be repaired, KYN28-24 switchgear plays a key role. First, isolate the faulty part from the power system by operating a circuit breaker. Then use the isolation switch to completely isolate the faulty part from the rest. Then, ground the faulty part through the grounding switch to ensure personal safety and equipment protection. Finally, the motor drive mechanism is used to control the switching state of the switchgear to realize the normal operation of the system. Protection function: KYN28-24 switchgear has a variety of protection functions, mainly including over-current protection, over-voltage protection, short-circuit protection and grounding protection. When an abnormal situation occurs in the power system, the switchgear will automatically perform protection operations to avoid further damage. Interlocking device: In order to ensure work safety, KYN28-24 switchgear is also equipped with an interlocking device. The interlocking device can prevent misoperation and mutual interference, ensure the normal operation of each component, and reduce the risk of accidents. In short, the working principle of KYN28-24 switchgear is to realize the isolation, cut-off and protection of power system failure and maintenance work through reasonable configuration and arrangement of various main components. Its efficient and reliable working performance makes it an indispensable device in the power system. Our KYN28-24 switchgear has undergone strict quality inspection and can provide stable and reliable services to meet customer needs. If you have any questions or purchase intentions, please feel free to contact us.

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 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.

The GZD(W) DC220KV DC110KV DC48KV microcomputer control direct current power supply cabinet is a cutting-edge and highly efficient solution for various industries that require a reliable power supply. This power supply cabinet is designed to deliver stable direct current (DC) to support critical applications in fields such as telecommunications, power transmission, and industrial automation. Equipped with advanced microcomputer control technology, this power supply cabinet offers precise output voltage regulation and robust overload protection. It ensures the safe and efficient operation of connected equipment while minimizing the risk of power fluctuations and damage due to voltage surges. The microcomputer control system continuously monitors and adjusts the output voltage, ensuring a stable power supply under varying load conditions. With a voltage output capacity of DC220KV, DC110KV, and DC48KV, this power supply cabinet caters to a wide range of operational requirements. It can provide reliable power to large-scale infrastructure projects, high-voltage transmission systems, and high-power applications. The cabinet's high voltage capacity makes it suitable for demanding environments where uninterrupted power supply is crucial. The GZD(W) DC220KV DC110KV DC48KV microcomputer control direct current power supply cabinet is designed for ease of installation, operation, and maintenance. It features a compact design, making it space-saving and perfectly suited for both indoor and outdoor installation. The cabinet also incorporates multiple safety measures, such as short circuit protection and overvoltage protection, ensuring the safety of the connected equipment. In addition to its exceptional performance and reliability, this power supply cabinet offers energy-saving benefits. It features high-efficiency power conversion technology that minimizes energy loss during operation, reducing overall power consumption and environmental impact. In summary, the GZD(W) DC220KV DC110KV DC48KV microcomputer control direct current power supply cabinet is a technologically advanced and versatile solution for industries that rely on dependable power supply. With its precise control, high voltage capacity, and energy-saving features, this power supply cabinet ensures uninterrupted operation of critical equipment while maximizing efficiency and reducing environmental impact.

The LMZT-10 three-phase integrated inflatable cabinet dedicated feedthrough current transformer is specifically designed to be installed on inflatable cabinets. It is used for the measurement and protection of current and zero-sequence current, and can also be used for the measurement and protection of zero-sequence current in multiple cable circuits. The core and secondary winding of the LMZT-10 series zero-sequence current transformer are made from high-quality epoxy resin, which is vacuum cast in a flame retardant plastic casing. This design ensures moisture resistance, stable performance, and eliminates the need for maintenance. This current transformer is a reliable and efficient solution for accurate current measurement and protection in various applications. Its installation on inflatable cabinets makes it suitable for use in diverse environments and setups. With its advanced design and materials, the LMZT-10 current transformer provides accurate and reliable measurements while ensuring the safety of the electrical system. The use of high-quality epoxy resin for the core and secondary winding not only enhances the performance but also extends the product's lifespan. The vacuum casting process ensures a complete and uniform filling, eliminating air pockets and enhancing the transformer's insulation capabilities. The integration of the current transformer into the inflatable cabinet provides a compact and space-saving solution, allowing for easy installation and maintenance. The flame retardant plastic casing offers excellent protection against fire hazards and ensures the safety of the surrounding equipment. The LMZT-10 current transformer is suitable for a wide range of applications, including electric power systems, industrial automation, and electrical equipment monitoring. Its capability to measure and protect both current and zero-sequence current makes it a versatile solution for various electrical setups. In conclusion, the LMZT-10 three-phase integrated inflatable cabinet dedicated feedthrough current transformer offers accurate current measurement and protection in a reliable and efficient manner. Its superior design, use of high-quality materials, and convenient installation make it an ideal choice for various electrical applications.