China 12kv GIS circuit breaker Manufacturers, Suppliers, Factory

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 LMZT-10 three-phase integrated inflatable cabinet dedicated feedthrough current transformer is specifically designed to be installed on inflatable cabinets. It is used for the measurement and protection of current and zero-sequence current, and can also be used for the measurement and protection of zero-sequence current in multiple cable circuits. The core and secondary winding of the LMZT-10 series zero-sequence current transformer are made from high-quality epoxy resin, which is vacuum cast in a flame retardant plastic casing. This design ensures moisture resistance, stable performance, and eliminates the need for maintenance. This current transformer is a reliable and efficient solution for accurate current measurement and protection in various applications. Its installation on inflatable cabinets makes it suitable for use in diverse environments and setups. With its advanced design and materials, the LMZT-10 current transformer provides accurate and reliable measurements while ensuring the safety of the electrical system. The use of high-quality epoxy resin for the core and secondary winding not only enhances the performance but also extends the product's lifespan. The vacuum casting process ensures a complete and uniform filling, eliminating air pockets and enhancing the transformer's insulation capabilities. The integration of the current transformer into the inflatable cabinet provides a compact and space-saving solution, allowing for easy installation and maintenance. The flame retardant plastic casing offers excellent protection against fire hazards and ensures the safety of the surrounding equipment. The LMZT-10 current transformer is suitable for a wide range of applications, including electric power systems, industrial automation, and electrical equipment monitoring. Its capability to measure and protect both current and zero-sequence current makes it a versatile solution for various electrical setups. In conclusion, the LMZT-10 three-phase integrated inflatable cabinet dedicated feedthrough current transformer offers accurate current measurement and protection in a reliable and efficient manner. Its superior design, use of high-quality materials, and convenient installation make it an ideal choice for various electrical applications.

It can be processed according to the drawings and samples, receive oem orders, accept wholesale and customization. Provide a complete set of motor protection system solutions. Voltage Parameter：3kv Power(kW) Size：2500kw Body Size：Customized

LZC-12 Electronic Current Transformer - A Versatile Solution for High Voltage Switchgear Applications The LZC-12 Electronic Current Transformer is a cutting-edge device specially designed for high voltage switchgear applications up to 12kV and below. It seamlessly integrates with electronic instruments and microcomputer measurement and protection equipment, offering a comprehensive range of functionalities, including measurement, control, protection, and data transmission. Constructed with high-quality copper materials, the LZC-12 ensures superior performance and reliable current monitoring in AC circuits. Its primary objective is to accurately measure the current flowing through the primary coil and provide proportional voltage output through its secondary coil. One remarkable feature of the LZC-12 is its ability to maintain a safe operating condition, even in the event of a secondary open circuit. Unlike conventional current transformers, the LZC-12 eliminates the risk of generating high voltages when the secondary circuit is open. This guaranteed safety measure ensures the protection of both personnel and equipment, enhancing the overall security of the switchgear system. The LZC-12 is engineered to facilitate coordination among various components within the power system. When used in conjunction with electronic instruments, it offers precise current measurement, ensuring reliable data for load analysis and management. Additionally, its seamless integration with microcomputer measurement and protection equipment enables advanced control and protection functionalities, allowing for rapid detection and response to abnormal currents or faults. Furthermore, the LZC-12 facilitates seamless data transmission, enabling efficient communication between multiple devices in the power system. This feature is particularly beneficial for remote monitoring and centralized data acquisition, enhancing the productivity and ease of operation in power system management. In summary, the LZC-12 Electronic Current Transformer is a versatile and indispensable solution for high voltage switchgear applications. With its top-grade copper construction, it guarantees accurate current measurement and proportional voltage output. Its comprehensive range of functionalities, including measurement, control, protection, and data transmission, ensures efficient and reliable operation of the switchgear system. Choose the LZC-12 for its exceptional performance and advanced features, providing unmatched convenience and safety in high voltage applications. Trust in its reliability and versatility to meet your current monitoring needs and contribute to the overall efficiency and security of your power system.

12kV Indoor High Voltage Vacuum Circuit Breaker with Isolator in Gas Insulated Switchgear (GIS) The 12kV Indoor High Voltage Vacuum Circuit Breaker with Isolator is a vital component in Gas Insulated Switchgear (GIS). Designed for indoor use, this product offers reliable and efficient operation in high voltage applications. The GIS is comprised of various components, including a circuit breaker, isolator, grounding switch, current transformer, surge arrester, busbar, connectors, and outgoing terminals. All of these devices or parts are enclosed within a metal-grounded housing. The housing is filled with SF6 insulation gas, which is pressurized to ensure optimal performance. This characteristic has earned it the nickname "SF6 Fully Enclosed Combined Electrical Device." The 12kV Indoor High Voltage Vacuum Circuit Breaker plays a critical role in the GIS system. It is responsible for interrupting and isolating electrical circuits under fault conditions. Equipped with vacuum interrupter technology, this circuit breaker offers excellent arc quenching capability and enhanced reliability. Furthermore, the Isolator in this GIS system provides a means to isolate individual components or sections for maintenance or repair without disrupting the entire system. This feature ensures flexibility and convenience during installation and maintenance activities. Operating at a voltage level of 12kV, this GIS product is suitable for various indoor applications where high voltage switching is required. It offers excellent performance, reliability, and safety. In summary, the 12kV Indoor High Voltage Vacuum Circuit Breaker with Isolator is a key component of Gas Insulated Switchgear. Its integration within the GIS system allows for efficient electrical switching operations in high voltage applications. With advanced technologies and a fully enclosed design, this product guarantees reliable performance and utmost safety.

LMZK Series Current Transformer is a compact and lightweight device known for its small size, easy installation, and convenient functionality. It is widely used in compact fully insulated ring main units and is highly compatible with remote terminal devices like RTUs and FTUs, providing essential data support for the entire system. The installation process is simple and efficient, as it can be directly attached to the connected input and output cables. This current transformer has found extensive applications in various models of compact fully insulated ring main units, including SafeRing/Plus, Uniswitch, RM6/SM6, SVS, GA/GE, FB, and SS. Additionally, it is also suitable for use in combination substations and cable junction boxes. The LMZK Series Current Transformer utilizes high-quality imported silicon steel sheets with high magnetic permeability as its magnetic core material. This unique choice ensures that the core can be divided and offers minimal magnetic flux loss. The half-ring-shaped core and secondary winding are encapsulated in high-quality epoxy resin under vacuum in a flame-retardant plastic casing. This design not only guarantees moisture resistance but also provides stable and maintenance-free performance. During installation, the two half-ring cores are securely clamped onto the phase-separated cables using durable stainless steel brackets. This integration with the cables creates a harmonious and aesthetically pleasing appearance. The LMZK Series Current Transformer is compatible with 10KV cables ranging from 35mm2 to 400mm2, and the stainless steel brackets are resistance-free and ensure a reliable and robust connection. In summary, the LMZK Series Current Transformer stands out due to its compact size, lightweight nature, easy installation, and compatibility with various remote terminal devices. Its high-quality materials and superior design contribute to its exceptional performance in fully insulated ring main units, combination substations, and cable junction boxes.