VN1-12 series solid-sealed high-voltage vacuum circuit breakers are suitable for three-phase AC power systems with a rated voltage of 7.2-12kv and a frequency of 50Hz. They are widely used in power plants, substations, petrochemicals, metallurgy, manufacturing, airports and communities, etc. It is used for the protection and control of electrical facilities, especially suitable for places where frequent operation under rated current or multiple interruption of short-circuit current occurs. It can be installed in mobile or fixed air-insulated switchgear.

VN1-24 series solid-sealed high-voltage vacuum circuit breakers are suitable for three-phase AC power systems with a rated voltage of 24kv and a frequency of 50Hz. They are widely used in power plants, substations, petrochemicals, metallurgy, manufacturing, airports and communities, etc., as electrical facilities It is used for protection and control, especially suitable for places where frequent operation under rated current or multiple interruption of short-circuit current. It is completely interchangeable with VD4 and VEP circuit breakers, and can be installed in mobile or fixed air-insulated switch cabinets.

VN1-40.5 series solid-sealed handcart type high-voltage vacuum circuit breakers are suitable for three-phase AC power systems with a rated voltage of 40.5kv and a frequency of 50Hz. They are widely used in power plants, substations, petrochemicals, metallurgy, manufacturing, airports and communities, etc. As the protection and control of electrical facilities, it is especially suitable for places with frequent operation under rated current or multiple interruption of short-circuit current. It is completely interchangeable with VD4 and VEP circuit breakers, and can be installed in mobile or fixed air-insulated switch cabinets.

VS1(ZN63)-12 series indoor handcart type high voltage vacuum circuit breaker is a three-phase AC 50Hz, rated voltage of 12kv indoor switchgear, which can be used for the control and protection of industrial and mining enterprises, power plants, substations, and electrical facilities. , And suitable for frequently operated places. The operating mechanism is integrated with the circuit breaker body, and the design can be used as a fixed installation unit, or it can be equipped with a special propulsion mechanism to form a handcart unit.

VS1(ZN63)-12 series indoor fixed high-voltage vacuum circuit breaker is a three-phase AC 50Hz, rated voltage of 12kv indoor switchgear, which can be used for the control and protection of industrial and mining enterprises, power plants, substations, and electrical facilities. And it is suitable for places with frequent operations. The operating mechanism is integrated with the circuit breaker body, and the design can be used as a fixed installation unit, or it can be equipped with a special propulsion mechanism to form a handcart unit.

VS1(ZN63)-12 series indoor-mounted high-voltage vacuum circuit breaker is an indoor high-voltage switchgear. It is suitable for three-phase power systems with a rated voltage of 12kv and a frequency of 50Hz. It is used as a protection and control electrical appliance. Superiority, especially suitable for places that require frequent operation under rated current or multiple interruption of short-circuit current. It can be used for the control and protection of industrial and mining enterprises, power plants, substations, and electrical facilities, and is suitable for places with frequent operations.

VS1(ZN63)-24 series indoor high-voltage vacuum circuit breaker is an indoor high-voltage switchgear with rated voltage of 24kv and three-phase AC 50Hz. It is suitable for the control and protection of power transmission and distribution systems such as power plants, substations, industrial and mining enterprises, etc. The switch is especially suitable for places where important loads are disconnected and frequently operated in high altitude areas.

ZN85-40.5 series indoor high voltage vacuum circuit breaker is suitable for three-phase AC 50Hz, rated voltage 40.5kv power system, and can be used for switching load current, overload current and fault current in industrial and mining enterprises, power plants and substations. The circuit breaker and the operating mechanism adopt an up-and-down arrangement mechanism, which effectively reduces the depth of the circuit breaker.

The ZN28(A)-12 indoor high voltage vacuum circuit breaker is a three-phase AC 50Hz, rated voltage 12kv indoor installation, mainly installed in handcarts and fixed switch cabinets, for industrial and mining enterprise power plants and substations for electrical equipment protection It is used for control and control, and is suitable for places with frequent operations.