China 4. Electrical transformer Manufacturers, Suppliers, Factory

Rongzhi Electric Power is a large-scale High Voltage Reactive Power Compensation 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 ZW32-12 outdoor high voltage vacuum circuit breaker with disconnector is a state-of-the-art electrical equipment specifically designed for outdoor high voltage distribution systems with a rated voltage of 12kV and three-phase AC 50Hz. It is primarily used for the interruption and closure of current loads, overload currents, and short circuit currents in power systems. It finds extensive application in substations, industrial and mining enterprises' power distribution systems for protection and control purposes, as well as in urban and rural electrification projects, where frequent operations are required. The ZW32 vacuum circuit breaker is equipped with a spring-stored energy operating mechanism, allowing for manual, electric, and remote tripping and closing operations. Additionally, a disconnecting switch can be installed on the side of the circuit breaker, forming a combination of an outdoor high voltage vacuum circuit breaker and an outdoor high voltage disconnector. This configuration enhances visible isolation and ensures reliable interlocking operations. Moreover, based on user requirements, the ZW32 series can be paired with corresponding controllers to create an AC high voltage vacuum automatic recloser or an automatic sectionalizer, which are self-powered, making it an ideal device for achieving automation in power distribution networks. The ZW32-12G/1250-20 belongs to the ZW32-12 series of column-type outdoor high voltage vacuum circuit breakers. It is perfectly suited for interrupting and closing load currents, overload currents, and short circuit currents in urban or rural power distribution systems with a rated voltage of 12kV and three-phase AC 50Hz. The circuit breaker features a completely new compact design with a fully enclosed structure and unique arc extinguishing chamber sealing technology, ensuring excellent sealing performance and protection against moisture and condensation. Thus, it is well-suited for use in high-temperature and humid areas. The ZW32-12G circuit breaker disconnector combination is comprised of two major parts: the ZW32 circuit breaker and the disconnector. This configuration provides a comprehensive solution for efficient and reliable power distribution. The high voltage potential transformer structure can be externally or integrally mounted, catering to different installation requirements. Overall, the ZW32-12 outdoor high voltage vacuum circuit breaker with disconnector is a highly advanced and reliable electrical device that fulfills the diverse needs of outdoor high voltage distribution systems. Its compact design, excellent sealing, and flexible configuration options make it an ideal choice for various applications, contributing to the automation and improvement of power distribution networks.

The JDZ-10 Miniature Voltage Power Electrical Single Phase Transformers are designed for compact size and excellent weather adaptability. The transformer core is made of high-quality cold-rolled silicon steel sheets, stacked into a square shape and exposed to the air. The primary and secondary windings are wound together and then cast in epoxy resin. The casting body is fixed on a metal base plate, and the lower part of the epoxy resin casting body is coated with semiconductor paint, which is connected to the metal base plate and the core. This design helps improve the uniformity in power plants and reduce distortions in power lines. The JDZ-10 transformers are suitable for both single-phase and three-phase circuits. When used in three-phase circuits, two transformers can be connected in a V shape configuration. They are ideal for applications that require efficient voltage power transformation in a compact and weather-resistant package. These transformers offer reliable performance with their high-quality construction and materials. The cold-rolled silicon steel core enables efficient magnetic flux transfer, while the epoxy resin casting provides excellent insulation and protection against harsh environmental conditions. The compact size ensures easy installation even in limited spaces, making them suitable for various indoor and outdoor applications. With their robust design and durable construction, the JDZ-10 transformers provide stable voltage power transmission, contributing to the smooth operation of electrical systems. Whether used in industrial settings, commercial buildings, or residential applications, these transformers offer a reliable and efficient solution for power distribution. In conclusion, the JDZ-10 Miniature Voltage Power Electrical Single Phase Transformers are compact, weather-resistant, and designed for efficient voltage power transformation. Their high-quality construction, including the use of cold-rolled silicon steel cores and epoxy resin casting, ensures reliable performance in various applications. Suitable for both single-phase and three-phase circuits, these transformers are a versatile choice for power distribution needs, providing stable and efficient voltage power transmission.

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 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 ZN63(VS1)-12 assembly type indoor vacuum circuit breaker is a state-of-the-art high-voltage switchgear device designed to provide reliable protection and control for power equipment in electrical grids, as well as in industrial and mining enterprises. With a rated voltage of 12kV and operating at a frequency of 50Hz, this circuit breaker is specifically engineered to meet the demanding requirements of indoor high-voltage applications. This product features a compact and integrated design, combining the main circuit of the circuit breaker with a spring operating mechanism. It is equipped with a dedicated propulsion mechanism, forming a cart unit that can be used independently or according to user requirements. The integration of the main circuit and the operating mechanism not only ensures seamless operation but also contributes to space-saving efficiency. Furthermore, the main insulation of the ZN63(VS1)-12 circuit breaker adopts a composite insulation structure. This innovative design not only minimizes its overall size but also provides effective protection for the vacuum arc extinction chamber, shielding it from the impact and collision. The composite insulation also enhances the circuit breaker's overall durability, ensuring a longer service life. In conclusion, the ZN63(VS1)-12 assembly type indoor vacuum circuit breaker offers outstanding performance and optimal space utilization. It provides reliable and efficient protection and control for electrical networks, as well as power equipment in industrial and mining enterprises. With its advanced features and robust design, this circuit breaker proves to be a valuable asset in ensuring the safe and continuous operation of high-voltage systems.