China Motor load break switch Manufacturers, Suppliers, Factory

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 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.

the GN19 Indoor Medium High Voltage Disconnect Switch is a reliable and efficient solution for power distribution in both medium and high voltage systems. With its robust design, advanced safety features, ease of installation and operation, as well as high-performance capabilities, this switch offers a comprehensive solution for controlling and isolating electrical circuits. Whether for medium or high voltage applications, the GN19 switch ensures safe and uninterrupted power supply, making it an ideal choice for various industries and sectors.

Rongzhi Electric Power is a large-scale high voltage automatic reactive power compensation complete device manufacturer and supplier in China. We have been specialized in High voltage equipment for many years. Our products have a good price advantage and cover most of the South America, Middle East, Africa, Southeast Asia markets. We look forward to becoming your long-term partner in China.

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 GW4 Series High Voltage Outdoor Disconnect Switch, a state-of-the-art solution for providing safe and reliable disconnection of high voltage power systems. Designed and manufactured with the utmost precision and cutting-edge technology, this switch offers unparalleled performance and efficiency. The GW4 Series is engineered to meet the demanding requirements of outdoor high voltage applications, making it the ideal choice for utilities, industrial plants, and commercial installations. It boasts an impressive range of features to ensure optimum performance and user safety. One of the key highlights of the GW4 Series is its robust construction. Manufactured using high-quality materials, this disconnect switch is built to withstand extreme weather conditions, harsh environments, and heavy-duty usage. The sturdy design ensures long-term reliability and durability, minimizing maintenance and replacement costs. the GW4 Series offers a wide range of applications. Whether it's a distribution network, transmission line, or industrial power system, this disconnect switch can handle various voltage levels with ease, ensuring seamless operations. Additionally, the GW4 Series is equipped with advanced safety features. The switch is designed to provide a complete isolation of the power system, minimizing the risk of electrical accidents during maintenance and repairs. The interlock mechanism ensures that the switch can only be opened or closed under specific conditions, further enhancing operator safety. Installation and maintenance of the GW4 Series disconnect switch are hassle-free. The switch is compact and lightweight, allowing for easy transportation and installation. Furthermore, it requires minimal maintenance, resulting in reduced downtime and increased operational efficiency. In conclusion, the GW4 Series High Voltage Outdoor Disconnect Switch is a reliable and efficient solution that guarantees the safe disconnection of high voltage power systems. With its robust construction, versatile applications, advanced safety features, and user-friendly design, this switch is undoubtedly the perfect choice for any high voltage outdoor disconnection requirement. Upgrade to the GW4 Series today and experience unparalleled performance and reliability.