VS1 (ZN63A)-24 series indoor high-voltage vacuum circuit breaker is an intelligent switchgear designed for 24kV, 50Hz indoor power distribution system, integrating protection and control functions, suitable for industrial and mining enterprises, power plants and substations of high-reliability power scenarios. Using vacuum arc extinguishing technology, short circuit current breaking capacity of 25kA-31.5kA, mechanical life of more than 30,000 operations, in line with GB/T 1984-2014 and IEC 62271-100 standards. The modular handcar design ADAPTS to the KYN series switchgear with IP4X protection class, withstands extreme environments from -25°C to +60°C, supports quick plug and pull maintenance and intelligent condition monitoring (optional), and provides a "maintention-free, long life" power protection solution.

The VCF 7.2 (12) handheld vacuum contactor+fuse combination device is a modular protection equipment designed specifically for 7.2kV/12kV distribution systems, integrating vacuum contactor and high-voltage fuse functions to achieve integrated operation of "control+short-circuit protection". Suitable for frequent switching scenarios in industrial and mining enterprises, wind farms, and photovoltaic power stations, with a short-circuit current breaking capacity of 25kA and a mechanical lifespan of over 50000 times.the handheld design supports quick insertion and maintenance, is compatible with compact switchgear, has a protection level of IP65, and can withstand extreme environments from -30 ° C to+60 ° C. It provides an efficient solution that is safe, portable, and tool free for installation.

The ZN28-12 series indoor high-voltage vacuum circuit breaker is a modular switchgear with a rated voltage of 12kV and three-phase AC 50Hz, which complies with the GB1984-89 standard and is suitable for efficient power protection in industrial and mining distribution, substations, and data centers. Its flexible design supports three installation methods: Integrated: The switch body is integrated with the operating mechanism, saving space and facilitating quick deployment. Lift up type: The switch body is integrated with the lifting mechanism for easy maintenance and repair. Split type: The switch body is separated from the operating mechanism, suitable for complex installation scenarios. Adopting vacuum arc extinguishing technology, the short-circuit current breaking capacity reaches 31.5kA, the mechanical life exceeds 10000 times, the protection level is IP3X, and it can withstand environments from -25 ° C to+40 ° C. It provides a "compact, efficient, safe, and maintenance free" solution.

ZN85-40.5 indoor high-voltage vacuum circuit breaker is a high reliability switchgear designed specifically for 40.5kV indoor distribution systems. It adopts vacuum arc extinguishing technology, with a short-circuit current breaking capacity of up to 40kA and a mechanical life of over 10000 operations. Compliant with GB/T 1984 and IEC 62271-100 standards, the modular handcart design supports quick insertion and maintenance, is compatible with KYN series switchgear, has a protection level of IP4X, and can withstand extreme environments ranging from -25 ° C to+70 ° C. Suitable for substations, industrial and mining power distribution, and data centers, providing a "zero SF6 emission, maintenance free" green power protection solution.

The ZN85C-40.5 handheld indoor high-voltage vacuum circuit breaker is an innovative switchgear designed specifically for 40.5kV indoor distribution systems. It adopts a handheld modular design and combines vacuum arc extinguishing technology, with a short-circuit current breaking capacity of up to 40kA. The handcart structure supports quick insertion and removal operations, increasing maintenance efficiency by 60%. It is compatible with KYN series switchgear and complies with GB/T 1984 and IEC 62271-100 standards. With a mechanical lifespan of over 10000 cycles and a protection level of IP4X, it is suitable for high-frequency operation scenarios in substations, industrial and mining power distribution, and data centers, providing a "flexible and portable, zero SF6 emission" green power protection solution.

Mid Mounted Isolation Handcart is a modular isolation device specially designed for 40.5kV indoor high voltage systems. It integrates vacuum isolation fracture and handcart operating mechanism for fast electrical isolation and equipment maintenance. With 40kA short-time current tolerance , suitable for KYN series switchgear, support seamless insertion and removal operation, maintenance power outage time shortened by 60%. In line with GB/T 1984 and IEC 62271-100 standards, mechanical life of more than 10,000 times, protection level IP4X, suitable for substation, industrial and mining distribution and data center efficient power isolation scenarios, to provide "zero arc, zero risk" safe operation experience.

Grounding Handcart indoor vacuum circuit breaker is an innovative switchgear designed specifically for safe operation of power systems, integrating grounding function and vacuum arc extinguishing technology. Suitable for indoor distribution systems ranging from 10kV to 40.5kV, the handcart modular design supports fast grounding switching and circuit breaker maintenance, with a short-circuit current breaking capacity of 31.5kA-40kA. Compliant with GB/T 1984 and IEC 62271-100 standards, with a mechanical life of over 10000 cycles and a protection level of IP4X, it is suitable for metal armored cabinets (such as KYN series) and is particularly suitable for power safety protection in industrial and mining enterprises, data centers, and substations, achieving "zero risk maintenance and second level response for operation".

The ZN85-40.5 PT handcart indoor vacuum circuit breaker is an intelligent switchgear designed specifically for 40.5kV power systems, integrating voltage transformer (PT) function to achieve voltage monitoring and protection integration. Adopting vacuum arc extinguishing technology, the short-circuit current breaking capacity is as high as 40kA, and the modular design of the handcart supports quick insertion and removal, increasing maintenance efficiency by 50%. Compliant with GB/T 1984 and IEC 62271-100 standards, with a mechanical lifespan of over 10000 cycles and a protection level of IP4X, suitable for high humidity and dusty industrial and mining power distribution environments. Suitable for medium voltage cabinets in substations, high-voltage circuits in data centers, and key power nodes in the steel/chemical industry, providing an environmentally friendly solution with "zero SF6 emissions".

The ZN85-40.5 handcart indoor high-voltage vacuum circuit breaker is a high reliability switchgear designed specifically for 40.5kV power systems. It adopts vacuum arc extinguishing technology and has excellent short-circuit current breaking capacity (up to 40kA). The modular design of the handcart supports quick plugging and greatly reduces maintenance and power outage time. It is compatible with metal armored cabinets (KYN series) and is suitable for high-voltage protection in substations, industrial and mining power distribution, and data centers. Compliant with GB/T 1984 and IEC 62271-100 standards, with a mechanical lifespan of over 10000 cycles, flexible operating mechanism (electric/manual optional), protection level of IP4X, ensuring stable operation in humid and dusty environments.