China LV withdrawable model switchgear Manufacturers, Suppliers, Factory

KYN28-24 switchgear is a high-voltage switchgear, mainly used in substations, industrial and mining enterprises, and urban distribution networks. The following is an explanation of the product working principle of the KYN28-24 switchgear: Main components: KYN28-24 switchgear is composed of main components such as circuit breaker, isolating switch, grounding switch, motor drive mechanism and interlocking device. These components work together to make the switchgear work properly. Workflow: When the power system fails or needs to be repaired, KYN28-24 switchgear plays a key role. First, isolate the faulty part from the power system by operating a circuit breaker. Then use the isolation switch to completely isolate the faulty part from the rest. Then, ground the faulty part through the grounding switch to ensure personal safety and equipment protection. Finally, the motor drive mechanism is used to control the switching state of the switchgear to realize the normal operation of the system. Protection function: KYN28-24 switchgear has a variety of protection functions, mainly including over-current protection, over-voltage protection, short-circuit protection and grounding protection. When an abnormal situation occurs in the power system, the switchgear will automatically perform protection operations to avoid further damage. Interlocking device: In order to ensure work safety, KYN28-24 switchgear is also equipped with an interlocking device. The interlocking device can prevent misoperation and mutual interference, ensure the normal operation of each component, and reduce the risk of accidents. In short, the working principle of KYN28-24 switchgear is to realize the isolation, cut-off and protection of power system failure and maintenance work through reasonable configuration and arrangement of various main components. Its efficient and reliable working performance makes it an indispensable device in the power system. Our KYN28-24 switchgear has undergone strict quality inspection and can provide stable and reliable services to meet customer needs. If you have any questions or purchase intentions, please feel free to contact us.

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 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.

XL-21 floor-type low voltage power distribution switchgear: As a power supply system with AC 50Hz-60Hz, rated working voltage 380-400V, rated working current up to 630A, and breaking capacity up to 15kA, It provides power conversion, distribution and control for power distribution equipment such as power, lighting and fans. Can provide overload, short circuit and leakage protection. It  contain 2 Two installation structure :Indoor box structure (protection grade IP30),Outdoor box structure (protection grade IP65).Easy to install, economical and practical It is suitable for power users such as power plants, substations, industrial and mining enterprises, and highway tunnels.

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.

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.