Vacuum Circuit Breakers Manufacturer for Reliable Power Distribution

Dongfa Intelligent supports sourcing and technical selection of the 12kV Indoor Permanent Magnet Vacuum Circuit Breaker for indoor medium-voltage power distribution systems. The ZN63A(VS1)-12 uses a bistable permanent magnet operating mechanism that reduces mechanical components and shortens the transmission chain compared with conventional spring mechanisms. With up to 20,000 mechanical operations, short-circuit breaking capacity up to 40kA, and multiple rated-current configurations, it is designed for utilities, power plants, mining and industrial applications. Model: ZN63A(VS1)-12 Key Specifications: 12kV | 630A–2500A | 20 / 25 / 31.5 / 40kA

Dongfa Intelligent supports sourcing, technical selection and project procurement of 12kV Indoor Vacuum Circuit Breaker solutions. The ZN63(VS1)-12 is designed for indoor medium-voltage power distribution, with rated current from 630A to 4000A and short-circuit breaking capacity up to 40kA. Fixed and withdrawable configurations are available for different switchgear layouts, while 10,000-operation mechanical life supports long-term switching reliability. Suitable for utilities, power plants, mining and industrial applications. Model: ZN63(VS1)-12 Breaking Capacity: 20 / 25 / 31.5 / 40kA