China Miniature circuit breaker Manufacturers, Suppliers, Factory

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

Introducing the KYN61-40.5 Three Phase Metal Shell Armor Transfer Design Indoor High Voltage Switchgear – a cutting-edge solution for efficient and reliable power distribution. Designed to meet the demands of modern electrical systems, the KYN61-40.5 switchgear offers unparalleled performance and safety. With its advanced circuit breaker technology and robust construction, it provides a secure and stable power distribution solution for various indoor applications. The KYN61-40.5 switchgear is equipped with a high voltage circuit breaker, capable of interrupting fault currents and ensuring the safety of the electrical system. Its metal shell armor design provides superior insulation and protection against external factors such as dust, moisture, and mechanical stress. This ensures the longevity and reliability of the switchgear, even in harsh operating conditions. Ideal for power distribution in buildings, industries, and infrastructure projects, the KYN61-40.5 switchgear offers excellent flexibility and ease of installation. Its compact design allows for space-saving installation in indoor locations while maintaining optimal performance. With a comprehensive range of accessories and options, the KYN61-40.5 switchgear can be customized to meet specific project requirements. It can be easily integrated into existing electrical systems, making it an ideal choice for both new installations and retrofitting projects. Safety is of utmost importance in any electrical system, and the KYN61-40.5 switchgear offers advanced safety features to protect operators and equipment. It is equipped with interlocking mechanisms and safety locks to prevent unauthorized access and accidental operations. The switchgear also incorporates intelligent monitoring and control systems for enhanced performance and reliability. In conclusion, the KYN61-40.5 Three Phase Metal Shell Armor Transfer Design Indoor High Voltage Switchgear is a state-of-the-art solution for power distribution in indoor applications. Its advanced circuit breaker technology, robust construction, and customizable options make it the perfect choice for various electrical projects. Ensure efficient and reliable power distribution with the KYN61-40.5 switchgear, backed by its superior performance and safety features.

The ZN85-40.5 KV indoor high voltage vacuum circuit breaker is a switch device used for interrupting high voltage electrical circuits in terms of working current and fault current. It features an integrated and modular design with a simple and reasonable overall structure. The breaker is arranged in an upper and lower configuration, with the arc-extinguishing compartment located on top and the interlocking and operating mechanisms below. The device utilizes the specialized 3AV3 spring operating mechanism, which does not require adjustment and ensures stable and reliable operation. The vacuum arc-extinguishing compartment is enclosed within an insulated cylinder, thereby enhancing insulation performance and reducing overall dimensions. This series of ZN85-40.5 KV circuit breakers is suitable for indoor installation in devices rated at 40.5 KV and 50 Hz. It is equipped with the dedicated 3AV3 spring mechanism. The breaker can be installed in the JYN1-40.5(Z) removable metal-enclosed switchgear or the KYN61-40.5(Z) assembled metal-enclosed switchgear. It is considered the ideal circuit breaker for 40.5 KV installations. This series of products boasts high technical parameters, strong breaking capacity, reliable operation, stable performance, long service life, and easy maintenance. Furthermore, it is safe and free from explosion risks or pollution. It is widely used for protection and control of single busbar electrical facilities in industrial and mining enterprises, power plants, and substations. It is also suitable for frequent operations and special scenarios such as the switching of complete capacitor banks. The ZN85-40.5 KV indoor high voltage vacuum circuit breaker combines advanced design, excellent performance, and reliability to meet the demanding requirements of high voltage electrical circuit operations.

The JN15-12 Indoor High Voltage Grounding Switch is a state-of-the-art electrical product designed for indoor applications, providing efficient grounding and isolation functions within high voltage systems. This switch guarantees the safety of personnel and the protection of electrical equipment, making it an essential component for any high voltage installation. Key Features: Enhanced Safety: The JN15-12 Grounding Switch incorporates advanced safety features, including reliable isolation to prevent accidental contact with high voltage circuits. It facilitates safe maintenance procedures by creating a visible break between the live conductors and grounding points, minimizing the risk of electrical accidents and ensuring the well-being of operators. Reliable Isolation: Designed as an isolator switch, the JN15-12 provides reliable isolation between circuit breakers and the main power equipment. This ensures efficient isolation during maintenance, preventing electrical hazards and equipment damage. Its robust construction and high-quality materials guarantee a long lifespan and reliable performance. Efficient Grounding: As an electric grounding device, the JN15-12 switch allows rapid and reliable grounding of high voltage circuits. It ensures a low resistance path to safely discharge electrical energy to the ground, protecting personnel and equipment from electric shocks and potential damages caused by ground faults. Versatile Functionality: The JN15-12 can serve as both a grounding switch and a circuit breaker switch, providing comprehensive control over high voltage systems. It facilitates smooth operations by enabling easy circuit interruption and the efficient restoration of power when required. Its versatility makes it an ideal choice for various indoor applications. Dependable Switchgear Grounding: The JN15-12 High Voltage Grounding Switch guarantees effective grounding of switchgear, preventing the buildup of residual voltage and eliminating the risk of electrical arcing or flashovers. This enhances the overall safety and reliability of switchgear installations, reducing the potential for downtime and equipment damage. Fault Isolation and Power Restoration: In the event of a ground fault, the JN15-12 acts as a ground fault isolator, swiftly isolating the faulted section and restoring power to unaffected areas. This feature ensures the continuous and dependable operation of critical electrical systems, minimizing disruptions and optimizing power distribution efficiency. Conclusion: In conclusion, the JN15-12 Indoor High Voltage Grounding Switch is a vital component for ensuring electrical safety and equipment protection in indoor high voltage systems. With its advanced safety features, reliable isolation and grounding capabilities, multifunctional design, switchgear grounding capabilities, and fault isolation and power restoration functions, this switch guarantees the effective and efficient operation of high voltage installations. Whether used in industrial plants, commercial buildings, or utility substations, the JN15-12 Grounding Switch is an essential choice for those seeking reliable, high-quality electrical equipment.

JP Integrated Distribution Cabinet(Including incoming and outgoing circuit, metering, reactive power compensation, remote terminal acquisition and control) General Description: An outdoor complete set of power distribution unit of three-phase AC 50/60Hz and rated voltage of 400V, is applicable to urban and rural power grids, used for control, compensation and metering of output of transformer of 10KV to transformer. It realizes load control, meter reading, remote maintenance, anti-electricity theft alarm, payment control of electric charge and other functions to circuit, there is air circuit breaker that is used for breaking loads in the switch chamber; Relative compensation chamber is equipped with muti-stage dynamic relative power compensation device that is of surge-free and long service life, Automated control,  convenient for installation, it cuts down the investment, . This outdoor switchboard complies with the standards GB/1.1-2005, GB/15576-2008 .IEC439and so on.

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.