China Disconnect switch Manufacturers, Suppliers, Factory

The FZW28 series outdoor high voltage vacuum load break switch is a versatile and reliable product designed for use in a wide range of applications. It is specifically designed to meet the requirements of power distribution and control in substations, industrial and mining enterprises, urban and rural power grids, as well as automated distribution networks and locations with frequent operations. This product complies with the GB/T 3804-2004 standard for 3.6 kV to 40.5 kV AC high voltage load break switches. It is built to provide efficient protection and control for power equipment in various scenarios. The outdoor design ensures its durability and ability to withstand harsh environmental conditions. The high voltage vacuum load break switch is an essential component in power distribution systems. It allows for the safe and reliable interruption of circuit currents during operations such as load switching, line sectionalizing, and transformer protection. With its advanced vacuum arc-extinguishing technology, this switch ensures a smooth and efficient operation, minimizing power interruptions and enhancing overall system reliability. The FZW28 series outdoor high voltage vacuum load break switch is designed with ease of installation and maintenance in mind. Its compact structure and user-friendly design make it convenient for operators to handle and operate. The product also features a robust and durable construction, ensuring a long service life with minimal maintenance requirements. In summary, the FZW28 series outdoor high voltage vacuum load break switch is a reliable and efficient solution for power protection and control in various applications. Its compliance with industry standards, advanced technology, and user-friendly design make it an optimal choice for power distribution systems.

The JDZX(F)9-10G potential transformer is an epoxy resin fully enclosed casting insulation indoor type product. It is suitable for various high-voltage switchgear and is designed for voltage, electric energy measurement, and relay protection in power systems with a rated frequency of 50Hz and a rated voltage of 10kV (or 6kV) and below. This product features a single-phase, dual-winding fully enclosed structure, with epoxy vacuum resin cast molding. The core is made of high-quality cold-rolled silicon steel sheets wound into a circular shape. Both the primary and secondary windings are wound around the core. The secondary winding has a terminal box with user-friendly output slots. The product has excellent resistance to contamination and moisture, demonstrated by its compliance with Level II pollution degree in terms of surface creepage distance. It also meets the requirements for local discharge level as per GB1207-1997 "Voltage Transformers" standard. Additionally, the power factor of the load is 0.8 lagging (COSφ=0.8). In summary, the JDZX(F)9-10G potential transformer is a reliable and high-performance solution for voltage measurement, electric energy measurement, and relay protection in power systems. Its fully enclosed structure, epoxy resin insulation, and high-quality core ensure durability and efficiency in various electrical applications.

The JDZ9-10 Single Phase Castable Insulation High Sensitive Voltage Transformer is a reliable and efficient transformer that operates on the same principle as traditional transformers. It features a small and constant capacity, ensuring normal operation even in an unloaded state. With a low impedance, this voltage transformer is equipped with a fuse on the primary side and a reliable grounding on the secondary side to prevent coil burnout and potential accidents in case of insulation failure. This transformer is designed for measurement purposes and can be used in a single phase or connected in a V-V configuration to form a three-phase system. It is suitable for various voltage measurement requirements, with multiple tapping points on the primary side. Additionally, it is equipped with a third coil for protection and grounding, enabling efficient and reliable protection of power systems. The JDZ9-10 transformer utilizes a side-closed core or three single-phase transformers, ensuring accuracy and over-excitation characteristics. It is made with pure copper wires and epoxy resin materials, providing excellent insulation performance. The fully enclosed structure and high-quality steel plates make it durable and easy to install. Furthermore, its compact and lightweight design, due to the high-quality steel cores, allows for installation in any position and ensures good conductivity. In summary, the JDZ9-10 Single Phase Castable Insulation High Sensitive Voltage Transformer offers reliable performance, high insulation, and easy installation, making it an ideal choice for various applications in the power industry

The LZW8-10 Dedicated Circuit Breaker Zero Sequence Current Transformer is designed to transform the high current on the primary side into a uniform standard 5A or 1A current. This current is then used as the standard input current for measurement, metering instruments, and relay protection devices. Selecting the correct current transformer is crucial as it involves ensuring the accuracy of measurement and metering instruments, as well as the proper operation of relay protection devices. When selecting a current transformer, several factors need to be considered. Firstly, the type of current transformer must be chosen based on the desired measurement and protection objectives. The primary and secondary rated current ratios need to be carefully selected in order to achieve accurate measurement and protection requirements. The selection of the appropriate accuracy class for measurement and protection groups is also essential. Additionally, the rated capacity and the selection of the large output impedance are important considerations. The LZW8-10 Dedicated Circuit Breaker Zero Sequence Current Transformer provides a reliable solution for accurate current transformation and standard input current supply. By converting the high current on the primary side to a standardized current, it serves as the basis for precise measurement, metering, and relay protection functions. This current transformer offers the necessary flexibility and accuracy required for a wide range of applications in the electrical industry. In conclusion, the LZW8-10 Dedicated Circuit Breaker Zero Sequence Current Transformer is a purpose-built current transformer that plays a crucial role in transforming high currents into standardized input currents for measurement, metering instruments, and relay protection devices. Careful consideration of the type, primary and secondary rated currents, accuracy class, rated capacity, and output impedance selection ensures accurate measurement and reliable performance. With its advanced features and reliable performance, the LZW8-10 current transformer is an ideal choice for various electrical applications. It offers the necessary accuracy and reliability required in the demanding field of current transformation and protection.

the GW5 Series 3 Phase Isolator Switch is the perfect solution for your outdoor high voltage electric isolation needs. With its high voltage capacity, exceptional build quality, enhanced safety features, and ease of use, this isolator switch is a reliable and efficient choice for various applications. Trust [Company Name] to provide you with the best-in-class electrical solutions that meet your requirements and exceed your expectations. Contact us today for more information and let us assist you in finding the perfect isolator switch solution for your specific needs.

The ZW7-40.5 series outdoor high voltage power station vacuum circuit breaker is a three-phase AC 50Hz outdoor high voltage switch device. It is designed for control and protection in 35kV transmission systems and can also be used in applications such as contactors and capacitor bank switching. This vacuum circuit breaker is primarily used for control and protection in outdoor 35kV power transmission and transformation systems. It is also suitable for normal operation and short-circuit protection in urban and rural distribution networks and industrial and mining enterprises. The overall structure of this product is a porcelain bottle pillar type, with a vacuum arc extinguishing system inside the upper porcelain bottle and a pillar porcelain bottle at the bottom. It is suitable for frequent operation environments. The ZW7-40.5 vacuum circuit breaker with electromagnetic operating mechanism offers various features, including excellent sealing, resistance to aging and high voltage, non-combustibility, and non-explosiveness. It has a long service life and is easy to install and maintain. With its reliable performance, this vacuum circuit breaker ensures efficient control and protection for power systems. Its porcelain bottle pillar structure provides enhanced durability and stability, making it ideal for frequent operation scenarios. The excellent sealing properties prevent any intrusion of external elements, ensuring reliable operation in various environmental conditions. Equipped with an electromagnetic operating mechanism, this circuit breaker enables smooth and precise switching operations. The electromagnetic mechanism delivers swift and efficient opening and closing actions, ensuring optimal control and protection in high voltage applications. The ZW7-40.5 vacuum circuit breaker is designed to meet the stringent requirements of 35kV power transmission systems. It is capable of withstanding high voltage levels and offers long-lasting performance without the risk of combustion or explosions. Its extended lifespan reduces the need for frequent replacement, minimizing maintenance costs and downtime. Installation and maintenance of this circuit breaker are straightforward, thanks to its user-friendly design. The convenient access points and simplified procedures ensure easy installation, inspection, and servicing, contributing to operational efficiency. In conclusion, the ZW7-40.5 series outdoor high voltage power station vacuum circuit breaker with electromagnetic operating mechanism provides reliable and efficient control and protection for power systems. Its robust construction, excellent sealing properties, and resistance to high voltage and aging make it a durable and safe choice for various applications. With its user-friendly design and long service life, it ensures hassle-free installation, operation, and maintenance.