China Motor Protection Device Manufacturers, Suppliers, Factory

The LZW20-10 Split Core High Sensitivity Indoor Current Transformer is specifically designed for current, energy measurement, and microcomputer protection of power supply equipment in 10kV AC power systems. This current transformer offers several distinctive features, including compact size, lightweight construction, and easy installation, making it highly suitable for a wide range of applications, including compact ring network switchgear and capacitors. In terms of design, the LZW20-10 current transformer incorporates a toroidal core and secondary winding made from high-quality epoxy resin, which is vacuum-cast within a flame-retardant plastic housing. This specific construction ensures resistance to moisture, stable performance, and eliminates the need for maintenance. With its small size and lightweight construction, it occupies minimal space and can be easily fixed onto the sheath of electrical equipment such as ring network switchgear and capacitors. The installation process is simple and convenient, resulting in a harmonious and aesthetically pleasing appearance. The LZW20-10 current transformer is available in different types based on varying factors such as current ratio, accuracy class, and rated load. For specific parameters, please refer to the corresponding parameter table for each model. In summary, the LZW20-10 Split Core High Sensitivity Indoor Current Transformer is an ideal solution for accurate current and energy measurement, as well as microcomputer protection of power supply equipment in 10kV AC power systems. Its compact size, lightweight construction, and easy installation have made it widely used in various applications, including compact ring network switchgears and capacitors. The use of high-quality epoxy resin and vacuum casting ensures resistance to moisture and stable performance, eliminating the need for maintenance. With its convenience and harmonious appearance, it provides a reliable and efficient solution for current measurement and protection needs.

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 GGJ Three Phase Energy Saving Compensation Device with Low Voltage Switchgear is a high-performance solution for optimizing energy usage and improving electrical system efficiency. This device is designed specifically for industrial and commercial use, offering significant cost savings, enhanced power quality, and reduced environmental impact. The GGJ device performs three key functions: energy compensation, power factor correction, and harmonics filtering. By continuously monitoring and analyzing the power grid, it automatically adjusts the reactive power output to maintain a stable power factor and minimize energy wastage. Built with advanced technology and premium components, the GGJ device ensures reliable and durable performance. Its wide operating voltage range makes it suitable for various low voltage power distribution systems. Moreover, its compact and modular design simplifies installation and maintenance, saving valuable time and resources. The intelligent control features of the GGJ device enable real-time data measurements, intelligent power factor control, and self-diagnostic capabilities. This allows users to effectively monitor and manage their electrical systems, ensuring optimal performance and energy efficiency. Along with energy savings, the GGJ device effectively filters harmonics and associated distortions. This protects connected devices from damage, overheating, and excessive energy losses. With this dependable protection mechanism, the device enhances the lifespan of electrical equipment and improves overall system reliability. The GGJ Three Phase Energy Saving Compensation Device with Low Voltage Switchgear complies with industry standards and safety regulations while prioritizing environmental sustainability. It is suitable for various applications, including manufacturing plants, commercial buildings, hospitals, and shopping malls. By investing in the GGJ device, businesses can achieve substantial energy savings, reduce carbon emissions, and improve their financial bottom line. This cost-effective solution optimizes power quality and energy consumption, paving the way for a sustainable future. In summary, the GGJ Three Phase Energy Saving Compensation Device with Low Voltage Switchgear is a versatile and reliable solution that brings numerous benefits to industrial and commercial electrical systems. Its advanced technology, intelligent control features, and compact design make it an essential tool for optimizing energy consumption, improving power quality, and reducing environmental impact.

The ZW43-12 outdoor high voltagevacuum circuit breaker is a three-phase AC 50Hz switch device designed for outdoor high voltage applications with a rated voltage of 12kV. It is primarily utilized for interrupting and closing load currents, overload currents, and short-circuit currents in power systems. It is suitable for protection and control purposes in substations and industrial and mining enterprise distribution systems. This circuit breaker adopts a pillar-type, dry structure, ensuring reliable insulation, long electrical lifespan, and maintenance-free operation. It is particularly well-suited for frequent operation environments. It can also serve as a sectional switch in electrical networks and can be equipped with a controller to enable network automation. This product complies with standards such as GB/T1984 "High-voltage AC circuit breakers," GB/T1985 "AC high-isolation switches and grounding switches," and GB/T11022 "Common technical requirements for high-voltage switchgear and controlgear standards." Introduction to the Zw43-12 High Voltage Vacuum Circuit Breaker with Isolation Knife: The Zw43-12 High Voltage Vacuum Circuit Breaker with Isolation Knife is a state-of-the-art outdoor switchgear device that offers reliable and efficient operation in high voltage power systems. With a rated voltage of 12kV, it is specifically designed to meet the demands of modern power distribution and protection requirements. Key Features: Efficient Breaking and Closing: The Zw43-12 High Voltage Vacuum Circuit Breaker efficiently interrupts and closes load currents, overload currents, and short-circuit currents in power systems. It ensures the smooth operation of electrical systems and effectively protects electrical equipment. Reliable Insulation: This circuit breaker is designed with a pillar-type, dry structure, providing reliable insulation properties. It protects against electrical breakdowns and ensures safe operation, even in harsh outdoor environments. Long Electrical Lifespan: The Zw43-12 High Voltage Vacuum Circuit Breaker is built to last, offering a long electrical lifespan. Its high-quality materials and advanced design ensure consistent performance over an extended period of use. Maintenance-Free Operation: With its robust construction and high-quality components, this circuit breaker requires minimal maintenance, reducing downtime and associated costs. It is a reliable solution for continuous operation in various applications. Suitable for Frequent Operation: The Zw43-12 High Voltage Vacuum Circuit Breaker is specifically designed for frequent operation environments. Its durable construction and advanced mechanism enable smooth and reliable switching operations, even under high-frequency usage. Automation Capabilities: By adding a controller, this circuit breaker can be integrated into automated distribution networks. This enables efficient and remote monitoring, control, and management of power distribution systems. Application: The Zw43-12 High Voltage Vacuum Circuit Breaker with Isolation Knife is widely used in various applications, including substations and industrial and mining enterprise distribution systems. It is an essential component for protecting electrical systems and controlling the flow of electricity in high voltage power networks. Compliance with Standards: This product meets the requirements specified in GB/T1984 "High-voltage AC circuit breakers," GB/T1985 "AC high-isolation switches and grounding switches," and GB/T11022 "Common technical requirements for high-voltage switchgear and controlgear standards." It adheres to international standards, ensuring high-quality and reliable performance. In conclusion, the Zw43-12 High Voltage Vacuum Circuit Breaker with Isolation Knife is a cutting-edge switchgear device that offers efficient and reliable operation in outdoor high voltage applications. Its advanced design, robust construction, and compliance with industry standards make it an ideal choice for a wide range of power distribution and protection needs. With its long electrical lifespan, maintenance-free operation, and automation capabilities, it provides a cost-effective and efficient solution for modern power systems.

The LW8-40.5kV High Voltage SF6 Gas Outdoor Vacuum Circuit Breaker is a state-of-the-art electrical equipment designed for outdoor high voltage applications. Operating at a frequency of 50Hz, this circuit breaker utilizes SF6 gas as the arc extinguishing medium. It is specifically suitable for controlling and protecting power distribution systems with a rated voltage of 35kV. Moreover, it can be utilized in contactor and capacitor bank switching applications. The inclusion of a current transformer allows for measurement and protection capabilities. Adhering to both national and international standards, the LW8-40.5kV High Voltage SF6 Gas Outdoor Vacuum Circuit Breaker reflects excellence in its design and functionality. It complies with the requirements outlined in GB 1984-1989 "AC High Voltage Circuit Breakers" and the International Electrotechnical Commission standard IEC60056:1987 "High Voltage AC Circuit Breakers." The LW8-40.5kV High Voltage SF6 Gas Outdoor Vacuum Circuit Breaker is equipped with the CT14 Spring Operating Mechanism. This mechanism enhances the performance and reliability of the breaker. By utilizing spring technology, it ensures efficient operation and supports convenient maintenance. Offering a high level of safety and reliability, the LW8-40.5kV High Voltage SF6 Gas Outdoor Vacuum Circuit Breaker is the ideal choice for various outdoor applications. Its ability to withstand high voltage levels and its compatibility with different systems make it a versatile solution for controlling and protecting electrical infrastructure. In conclusion, the LW8-40.5kV High Voltage SF6 Gas Outdoor Vacuum Circuit Breaker is a cutting-edge product renowned for its performance and durability. With its SF6 gas arc extinguishing medium and the integration of the CT14 Spring Operating Mechanism, it provides efficient operation and reliable protection in outdoor high voltage settings. Its compliance with national and international standards ensures the highest level of quality and safety. The LW8-40.5kV High Voltage SF6 Gas Outdoor Vacuum Circuit Breaker is the optimal choice for dependable control and protection of electrical systems in a wide range of applications.

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.