The VS1-12 Handheld Vacuum Circuit Breaker is a portable, high-performance switching device designed for 12kV, 50Hz three-phase AC power systems. Combining vacuum interrupter technology with ergonomic handheld operation, it delivers 31.5kA short-circuit breaking capacity and a mechanical lifespan exceeding 30,000 operations. Ideal for rapid maintenance and frequent switching in confined spaces, this breaker complies with GB/T 1984-2014 and IEC 62271-100 standards, offering IP4X protection and operation in extreme temperatures (-25°C to +60°C). Perfect for substations, mining grids, and emergency power systems requiring agile, tool-free interventions.

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).

The ZN63 (VS1-12) side-mounted indoor high-voltage vacuum circuit breaker is an intelligent switchgear designed for 12kV and 50Hz three-phase power systems with integrated protection and control functions, especially for harsh scenarios requiring frequent operation and high short-circuit current breaking. Using vacuum arc extinguishing technology, short circuit current breaking capacity of 31.5kA, mechanical life of more than 30,000 operations, in line with GB/T 1984-2014 and IEC 62271-100 standards. The side-mounted structure ADAPTS to the compact switchgear (such as KYN28A-12), saves 30% installation space, protects with IP4X, withstands -25°C to +60°C environment, supports fast maintenance and intelligent monitoring (contact wear, real-time temperature feedback), and provides "highly reliable and maintenance-free" power protection solutions for industrial and mining enterprises, substations and data centers

The VZG-12GD indoor high-voltage three position vacuum circuit breaker is an intelligent switchgear designed specifically for 12kV distribution systems. It integrates the functions of closing, opening, and grounding, and is suitable for high-frequency operation scenarios in industrial and mining enterprises, substations, and data centers. Adopting vacuum arc extinguishing technology, the short-circuit current breaking capacity reaches 31.5kA, and the mechanical life exceeds 20000 times, which complies with GB/T 1984-2014, JB/T 3855-2008 and DL/T 403-2000 standards. Modular handcart design suitable for fixed cabinets and inflatable cabinets (C-GIS), with a protection level of IP4X, capable of withstanding environments from -25 ° C to+60 ° C, supporting quick insertion and maintenance, and optional intelligent monitoring module (contact wear, real-time temperature feedback), providing an "efficient, safe, and maintenance free" power protection solution.

The ZN63A (VS1) indoor high-voltage vacuum circuit breaker is a three-phase AC 50Hz indoor high-voltage switchgear with a rated voltage of 7.2-12 kV. It serving as a protection and control unit for power grid equipment and power equipment in industrial and mining enterprises.