China Overload protection device Manufacturers, Suppliers, Factory

Our company specializes in supplying high-quality prefabricated substations to meet the growing demand for efficient and reliable power distribution solutions. We proudly present the ZGS-12kv 0.4kv American Type Outdoor Prefabricated Substation, designed specifically for outdoor use in various environments. Key Features: Versatile Outdoor Solution: This prefabricated substation is built to withstand outdoor conditions, making it the ideal choice for applications requiring an American-style, outdoor electrical substation. Efficient Power Distribution: With its advanced design, the substation ensures reliable power distribution with optimized performance and enhanced safety features. It effectively meets the requirements of power distribution substations, catering to a wide range of electrical needs. Quality Manufacturing: As a leading substation manufacturer and supplier, we take pride in our commitment to providing top-notch products. The ZGS-12kv 0.4kv American Type Outdoor Prefabricated Substation is crafted with precision and meets rigorous industry standards. Easy Installation: This prefabricated electrical substation is designed for seamless installation. Its modular structure enables efficient construction and reduces assembly time, allowing for quick deployment and integration into existing power grids. Competitive Pricing: We understand the importance of cost-effective solutions. We offer competitive pricing for the ZGS-12kv 0.4kv American Type Outdoor Prefabricated Substation without compromising on quality or performance. Applications: Suitable for a wide range of applications, including industrial, commercial, and residential areas, the ZGS-12kv 0.4kv American Type Outdoor Prefabricated Substation is an excellent choice for outdoor power distribution needs. It can be deployed in various settings, such as manufacturing plants, commercial complexes, residential communities, and infrastructure projects. Conclusion: As a reliable substation supplier, we provide the ZGS-12kv 0.4kv American Type Outdoor Prefabricated Substation with outstanding features designed to meet your power distribution requirements. With its durable construction, efficient performance, ease of installation, and competitive pricing, this substation offers a comprehensive solution for your electrical needs. Contact us today to learn more about pricing and how our substation can benefit your project.

The VS1 (ZN63-12) indoor high-voltage vacuum circuit breaker is an advanced electrical equipment designed to switch various types of power systems. With its ability to operate at a frequency of 50Hz and a rated voltage range of 7.2kV-24kV, this circuit breaker proves to be highly versatile and suitable for a wide range of applications. In load and frequent operation situations, the VS1 (ZN63-12) circuit breaker is ideal for the protection and control of electrical equipment in industries, mines, enterprises, power plants, and substations. This product ensures the safety and reliability of electrical systems by effectively interrupting short circuit currents and isolating faulty parts of the circuit. The VS1 (ZN63-12) circuit breaker can be easily integrated with KYN28A-12 (GZS1) and other mid-mounted handcart switch cabinets, providing a flexible and customizable solution for various installation requirements. Additionally, it can also be equipped with XGN fixed switch cabinets, further expanding its compatibility with different system configurations. This innovative circuit breaker complies with several industry standards, including GB1984 "AC High-voltage Circuit Breaker", JB/T3855 "3.6~40.5kV Indoor AC High-voltage Vacuum Circuit Breaker", and IEC60056 "High-Voltage AC Circuit Breaker". These certifications ensure that the VS1 (ZN63-12) circuit breaker meets the highest safety and performance requirements. Furthermore, the VS1 (ZN63-12) circuit breaker also meets DVr403 "10-35kV Indoor High Voltage Vacuum Circuit Breaker Ordering Technical Conditions", which signifies its ability to meet specific technical requirements for indoor high-voltage applications. In summary, the VS1 (ZN63-12) indoor high-voltage vacuum circuit breaker is a reliable and efficient solution for switching power systems. With its wide voltage range, versatility, and compliance with industry standards, this circuit breaker is the perfect choice for industries, mines, enterprises, power plants, and substations. Upgrade your electrical equipment today with the VS1 (ZN63-12) circuit breaker and experience enhanced protection and control of your electrical systems.

Introducing the ZN28-12 series indoor high-voltage vacuum circuit breaker, a cutting-edge solution designed to optimize electrical performance and ensure efficient power distribution. This circuit breaker is equipped with a middle-sealed longitudinal magnetic field vacuum arc extinguisher and a new operating mechanism, guaranteeing reliable and safe operations. The operating mechanism and the vacuum arc extinguishing chamber adopt a front and rear layout, providing enhanced control and functionality. By connecting the operating mechanism to the movable conductive rod of the vacuum arc-extinguishing chamber through an insulating pull rod, it drives the movable contacts of the chamber to execute seamless opening and closing movements according to specified mechanical parameters. This precise movement enables the breaker to effectively break short-circuit currents and improves the mechanical life of the arc extinguishing chamber. To further enhance the circuit breaker's performance during operation, an auxiliary guide device is installed on the upper bracket of the fixed arc extinguishing chamber. This device ensures that the moving contacts remain well aligned during the opening and closing process, preventing any potential disruptions and enhancing the overall efficiency of the breaker. This innovation not only improves the short-circuit current breaking capability but also extends the lifespan of the arc extinguishing chamber. One of the key features of this series is the centrally enclosed longitudinal magnetic field vacuum arc extinguishing chamber. When the moving and static contacts open under load, the vacuum arc burns in the contact gap. However, the arc is swiftly extinguished when it crosses zero. The special structure of the contact generates a significant longitudinal magnetic field during arcing. This magnetic field evenly distributes the arc on the contact surface, resulting in a low arc voltage. Through this innovative design, the circuit breaker achieves a high arc voltage dielectric strength recovery speed. This unique characteristic significantly reduces the arc energy and electrical corrosion rate, ultimately improving the short-circuit current breaking capability and enhancing the overall lifespan of the circuit breaker. The ZN28-12 series indoor high-voltage vacuum circuit breaker is a reliable and efficient solution for various electrical systems. With its advanced features and superior performance, it plays a vital role in maintaining the stability and safety of power distribution networks. Trust in the ZN28-12 series to deliver exceptional results for your electrical needs.

JDZ12-10 series Pouring type with power supply potential transformer is an outdoor voltage transformer designed for reliable and accurate voltage measurement in power distribution systems. It consists of a primary terminal, a pouring body, a secondary winding, an iron core, and primary and secondary frameworks. The primary terminal is positioned at the top of the pouring body and connected to the primary winding via a primary fuse. The secondary winding is wound separately on the secondary framework. The primary and secondary frameworks are placed on the core column of the cruciform iron core, with the secondary framework positioned inside the primary framework. To ensure durability and stability, the primary terminal, windings, and pouring body are integrated using resin pouring, creating a seamless and robust structure. The primary fuse is safely installed inside the pouring body to provide additional protection. This innovative design of the JDZ12-10 series transformer demonstrates scientific engineering, creativity, and practicality. It offers exceptional performance and reliable operation, meeting the high standards of the transformer production industry and electrical maintenance applications. The installation process is straightforward, and the operational cost is low, making it a cost-effective solution for power transformer manufacturers and electrical maintenance professionals. Its advanced features and ease of use make it suitable for various applications in the power industry. The JDZ12-10 series Pouring type with power supply potential transformer is designed to withstand harsh outdoor conditions. Its compact and robust construction ensures transportation and installation are hassle-free. Investing in the JDZ12-10 series Pouring type with power supply potential transformer guarantees accurate voltage measurement and dependable performance in various electrical applications. It complies with industry standards and regulations, ensuring the highest level of quality. Choose the JDZ12-10 series transformer for optimal voltage measurement and reliable operation in your power distribution system.

Introducing our latest innovation in electrical transformers - the 10kV Oil Immersed Transformer. This high-quality, three-phase, oil-type transformer has been specifically designed to meet the demands of various commercial and industrial applications. With a focus on customization, we understand that each customer's requirements are unique. That's why our 10kV Oil Immersed Transformer is available in a range of sizes and configurations, allowing for greater flexibility in installation and operation. Whether you need a transformer for a small manufacturing facility or a large power plant, we have the perfect solution for you. One of the key features of our 10kV Oil Immersed Transformer is its exceptional reliability. We have carefully selected the highest quality materials to ensure optimal performance and longevity. The core and windings are made from high-grade electrical steel, known for its excellent magnetic properties, while the insulation system is designed to withstand extreme temperatures and electrical stresses. This results in a transformer that can operate efficiently and consistently for many years, even under the harshest conditions. Safety is also a paramount concern for us. The 10kV Oil Immersed Transformer is equipped with advanced protection mechanisms to prevent overheating, overcurrent, and short circuits. Additionally, the transformer is insulated with high-quality mineral oil that provides effective cooling and insulation properties, further enhancing its safety and reliability. Installation and maintenance of the 10kV Oil Immersed Transformer are hassle-free, thanks to its compact design and user-friendly features. The transformer is equipped with convenient lifting points and mounting brackets, making it easy to transport and install. In addition, the control panel is intelligently designed to provide operators with clear and accessible information about the transformer's performance and status, allowing for timely and accurate maintenance. In conclusion, our 10kV Oil Immersed Transformer offers exceptional performance, reliability, and safety. With its customizable options and user-friendly design, it is the ideal choice for a wide range of commercial and industrial electrical applications. Invest in our high-quality transformer and experience the difference it can make to your operations.

The FZN25-12D type vacuum load break switch and FZRN25-12D type combination appliance adopt a overall structure where the operating mechanism is arranged on the side of the main circuit (available in right or left side arrangement according to user's needs). The main conducting part consists of insulation cover, static contact, movable contact, conductive cylinder, and vacuum arc chamber. The combination appliance also includes a current-limiting fuse. This product uses the TF351 type vacuum arc-extinguishing chamber with a ceramic outer casing and 25 copper contacts. It features a flat contact structure, which results in minimal electrical wear and a long service life. With high breaking and closing capabilities, it offers strong performance and easy operation and maintenance. The fused switch is integrated with the operating mechanism, combining the functions of an isolating switch, load switch, and grounding switch into one compact structure. It has a small size, convenient installation, and flexible operation. The switch is equipped with a dynamic isolated contact and a vacuum arc-extinguishing chamber, which are arranged in series and linked according to the specified operating procedure, achieving a one-time operation. The cone-shaped static contact, insulation cover, and movable contact structure separate the busbar and load switch units, ensuring the personal safety of workers. When the grounding switch is closed, the movable contact automatically isolates the breaking point, providing excellent protection. The switch, grounding switch, movable contact, and cabinet door light are strictly in accordance with the "five preventions" mechanical interlocking to prevent misoperation. The switch mechanism is a spring-stored energy type, featuring both manual and electric energy storage functions. Once energy storage is complete (with the spring at the midpoint), it will automatically close, and for opening, it can be done manually with a decoupling lever or by an electromagnetic coil. This facilitates the implementation of remote control requirements for switch opening and closing operations. The switch can be powered by both AC and DC sources, and its working principle is similar to that of a circuit breaker. It is generally equipped with a simple arc extinguishing device, but its structure is relatively simple. The diagram shows a type of compressed air high-voltage load break switch. During breaking, under the action of the opening spring, the main shaft rotates clockwise. On one hand, the piston moves upward by compressing the gas through the crank-slider mechanism; on the other hand, the transmission system composed of two sets of four-link mechanisms opens the main contact first, and then the arc extinguishing contacts, blowing out the arc with the compressed air from the nozzle. When closing, the main contact and arc extinguishing contacts rotate clockwise at the same time under the action of the main shaft and the transmission system, with the arc contacts closing first and then the main contacts closing subsequently. During closing, the opening spring is also storing energy. As the load break switch cannot interrupt short-circuit currents, it is often used in combination with a current-limiting high-voltage fuse to not only complete the function of breaking the circuit but also reduce the thermal and mechanical forces caused by short-circuit currents.