The VS1-12 Fixed Vacuum Circuit Breaker is a high-performance switching device designed for 12kV, 50Hz three-phase AC power systems. Engineered for frequent operations and reliable short-circuit current breaking (up to 31.5kA), this breaker integrates vacuum interrupter technology with a fixed installation design, ideal for industrial plants, power stations, and substations requiring robust electrical protection and control. Compliant with GB/T 1984-2014 and IEC 62271-100 standards, it offers a mechanical lifespan exceeding 30,000 operations, IP4X protection, and tolerance for extreme temperatures (-25°C to +60°C).

MRD-40.5GD wind and photovoltaic dedicated vacuum circuit breaker is a 40.5kV high-voltage switchgear designed specifically for new energy scenarios. It integrates vacuum arc extinguishing technology and high reliability operating mechanism, and is suitable for protecting the collection lines and boosting stations of wind farms and photovoltaic power plants. Capable of breaking 40kA short-circuit current, with a mechanical lifespan of over 20000 operations, withstanding extreme environments (-40 ° C to+70 ° C, humidity 95%), and complying with IEC 62271-100 and GB/T 1984-2014 standards. Resolve core pain points such as frequent switching and high salt spray corrosion in new energy stations.

The C-GIS inflatable cabinet three position vacuum circuit breaker is an intelligent switchgear designed specifically for 12kV, 24kV, and 40.5kV power systems, integrating control, protection, and isolation functions. It is particularly suitable for harsh scenarios that require frequent operation and high short-circuit current breaking. Adopting inflatable cabinets (SF ?/N ? insulation) and vacuum arc extinguishing technology, it is suitable for the distribution needs of industrial and mining enterprises, power plants, and substations, in compliance with GB/T1984-2014, JB/T3855-2008, and DL/T403-2000 standards, with a mechanical life of over 20000 times and a breaking capacity of up to 40kA. The integrated structure of the three in one design (closing opening grounding) and the mechanism circuit breaker enables fast maintenance and compact installation, with a protection level of IP67 and a tolerance for extreme environments ranging from -40 ° C to+70 ° C.

The Measuring Handcart is a high-voltage switchgear that integrates real-time monitoring functions. It is designed for 40.5kV indoor power distribution systems. It adopts modular hand-car structure and built-in high-precision current/voltage sensor (CT/PT), which can collect line data in real time and upload it to the monitoring system through RS485 communication, realizing the integration of "switch + measurement". In line with GB/T 1984 and IEC 62271-100 standards, short circuit current breaking capacity of 40kA, mechanical life of more than 10,000 times, suitable for KYN series switchgear, suitable for smart grid, data center and industrial automation scenarios, help operation and maintenance efficiency increased by 40%+.

Mid Mounted Fuse Handcart Indoor High Voltage Circuit Breaker is an innovative mid mounted handcart switchgear with integrated fuse function, designed specifically for 40.5kV indoor high voltage systems. Adopting vacuum arc extinguishing technology and modular handcart structure, it has the ability to break 40kA short-circuit current, integrates high-voltage fuses to achieve dual protection against overload and short circuit, and saves 30% of cabinet space. Compliant 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 compatible with KYN series switchgear and suitable for high-density and high reliability power scenarios such as industrial and mining power distribution, data centers, and rail transit. It provides an integrated "fuse arc extinguishing" safety solution.

Mid mounted PT Handcart indoor vacuum circuit breaker is a high-voltage switchgear with a mid mounted integrated voltage transformer (PT), designed specifically for 40.5kV indoor distribution systems. Adopting vacuum arc extinguishing technology, the short-circuit current breaking capacity reaches 40kA, the mid mounted handcart structure saves 50% of installation space, and supports the integration of PT voltage monitoring and protection functions. Compliant 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 compatible with KYN series switchgear and suitable for scenarios such as data centers, industrial and mining power distribution, and rail transit, achieving intelligent power protection with "high-density, zero SF6 emissions".

72.5kV outdoor high voltage vacuum circuit breaker is designed for harsh environment, using fully sealed stainless steel housing and vacuum arc extinguishing technology, with explosion-proof, anti-corrosion, anti-ultraviolet performance, adapt to -40℃ to +40℃ extreme temperature. Rated short circuit breaking current 31.5kA, mechanical life 10,000 times, maintenance-free structure significantly reduces operation and maintenance costs, suitable for substations, industrial and mining distribution and wind power/photovoltaic high voltage grid-connected systems, in line with IEC 62271 and GB standards