Vacuum Circuit Breaker Series

The ZW7-40.5 outdoor high-voltage vacuum circuit breaker adopts a uniquely designed split pole and a highly reliable operating mechanism. The device is mainly used in medium-voltage overhead line power grids for dividing and combining load current, overload current, and short-circuit current.   ZW7-40.5 outdoor medium-voltage vacuum circuit breaker is athree-phase AC 50Hzoutdor high-voltage electrical equipment tis suitable for the control and protection of 20-40.5kV power transmission and distribution systems,it can also be used in the occasions of section circuit breakersand switched capacitor banks,this product can be used with piecewise controller,the reclosing device can realize intelligent sectioning and redosing control of the power system.A current transformer can be added for measurement and protection.The ring circuit breaker is equipped with a spring or electromagnetic actuator,with reliable mechanical performance and frequent operation;there is no riskof fire and explosion

ZW32-12 (FDGM) series outdoor high-voltage vacuum circuit breakers (hereinafter referred to as "circuit breakers") are outdoor distribution switchgear with a rated voltage of 12KV and three-phase AC 50Hz. Circuit breakers are mainly used for breaking and closing load current, overload current, and short circuit current in power lines. They have overload and short circuit protection functions, meet control and measurement requirements, and can also achieve remote control and monitoring functions. They are widely used in substations, industrial and mining enterprise distribution systems as control and operation purposes, especially suitable for places that require frequent operation. The circuit breaker complies with technical standards such as GB1984-2003, DL/T402-2007, and IEC60056.It is also used in rural power grid places with frequent operation for breaking and dlosing the load current and over load curent and short circuit current of power system，It is mainly used to break and close the load current, overload current and short circuit current in the power system. It is suitable for protection and control in substation and industrial and mining enterprise substation systems, and places where rural power grids operate frequently.

ZW32-40.5 series outdoor high-voltage vacuum circuit breakers are used in three-phase power systems with AC 50Hz and rated voltage of 35kV, as a means of separating and combining load current, overload current and short-circuit current. ZW32-40.5 outdoor high-voltage vacuum circuit breaker adopts a unique design of integrated sealed pole and high-reliability operating mechanism.The device is mainly used in medium voltage overhead power gird,as a sub-combined with load current,overload current and short circuit current.

VBI-12 Indoor High Voltage Vacuum Circuit Breaker is three-phase AC 50Hz, rated voltage of 12KV indoor device, for industrial and mining enterprises, power plants and substations as electrical equipment control and protection purposes, and for frequent operation of the place.which combined the technology of the ABB corporation in Switzerland and developed in China. Product complies with the standard GB1984 & IEC62271-100. VBI-12 VCB usually mounted into switchgear panel KYN28 and XGN. It is applicable in occasions with frequent operation, has functions of high-speed recloser, Multiple Opening/Closing, reliable mechanical interlock. It has fixed type & withdrawable type. It adopts the composite insulated material, there is no pollution and explosion danger, the insulation level is high.

The VSG-12 indoor high-voltage vacuum circuit breaker is designed for use in indoor switchgear applications within 12kV power systems with a three-phase AC 50Hz rated voltage. It serves as a crucial protective and control unit for power distribution equipment and industrial facilities. This circuit breaker is suitable for environments that require frequent operations at the rated current or the capability to interrupt short-circuit currents multiple times. The circuit breaker features a modular design, where the operating mechanism and the circuit breaker body are separable, allowing for quick replacements and assembly. VSG vacuum circuit breaker is a new indoor switchgear. It is mainly used for three-phase AC power system with rated voltage of 12kV and rated frequency of 50-60HZ. It has the advantages of compact structure, high reliability, small operation vibration and easy maintenance. It can be widely used in power plants, steel mills, metallurgy, petrochemical, transportation, buildings and other industrial and mining enterprises. As a switchgear for protecting high-voltage motors, transformers, line faults and other loads.

Model CT68-12 indoor vacuum circuit breaker use with CT68 spring operating mechanism. It is three-phase AC, 50 Hz indoor power distribution equipment with the voltage of 12kV, mainly used in distributed power systems, mines, petroleum, chemical industry, metallurgy, construction, transportation, coal mines and municipalities, as well as in the power supply and distribution systems of urban residential buildings and public facilities and other places. It is widely used to protect high-voltage power equipment from over-current, short-circuit, under-voltage and over-voltage, and can reliably guarantee the safe operation of power equipment.The circuit breaker features a modular design, where the operating mechanism and the circuit breaker body are separable, allowing for quick replacements and assembly.

The ZN12-24 vacuum circuit breaker is an indoor high-voltage switchgear with a rated voltage of 24kV and three-phase AC 50Hz.which introduced the technology from German company， Its operating mechanism is a spring energy storage type, which can be operated by AC or DC, or manually. This circuit breaker is a reinforced insulation type, which meets the requirements of the use environment in Class II polluted areas. This circuit breaker has simple structure, strong breaking capacity, long life, complete operation functions, no explosion hazard, simple maintenance, suitable for control or protection switch of power plant, substation and other transmission and distribution systems, especially suitable for breaking important loads and frequently operated places. This product is in accordance with related requirement of GB1984, JB3855, DL403 and IEC standards.

CT68-24 vacuum circuit breaker is an indoor high-voltage vacuum circuit breaker, mainly used in distributed power systems, mines, petroleum, chemical industry, metallurgy, construction, transportation, coal mines and municipalities, as well as in the power supply and distribution systems of urban residential buildings and public facilities and other places. It is widely used to protect high-voltage power equipment from over-current, short-circuit, under-voltage and over-voltage, and can reliably guarantee the safe operation of power equipment. CT68-24 vacuum circuit breaker adopts fully enclosed structure (central type), has good waterproof and moisture-proof performance, and can work under harsh environmental conditions. It has good thermal stability of short-circuit full-load current, strong overvoltage capability and short-circuit breaking capacity. In addition, it can quickly connect wires, cables and other equipment to improve installation efficiency and make site installation and maintenance more convenient. Widely used at home and abroad, CT68-24 vacuum circuit breaker is a high-quality power equipment, known for its reliable performance, excellent quality and long service life.

VBI indoor high-voltage vacuum circuit breaker has reliable performance and is easy to install. It is the best choice for the control and protection of high-voltage transmission and distribution systems. The VBI-40.5 Floor Mounted Vacuum Circuit Breaker is a high-performance, medium-voltage switching device designed for reliable protection and control of electrical systems rated at 40.5kV. Utilizing advanced vacuum interrupter technology, it ensures efficient arc quenching, minimal maintenance, and a long operational lifespan. Ideal for power distribution networks, industrial plants, and substations, this breaker combines robust construction with user-friendly operation.