Professional Indoor High Voltage Breaker Switch Manufacturer

Usune 11kv 630a Vacuum Circuit Breaker combines compact structural design, reliable vacuum interruption technology, flexible configuration options, and certified manufacturing quality. Designed for customers who require stable medium voltage switching performance with efficient system integration, this breaker provides a practical solution for industrial power distribution and electrical control projects.

Usune Fixed Vacuum Circuit Breaker provides an efficient fixed installation solution for medium voltage switchgear, enabling reliable integration, stable operation, and simplified engineering. By focusing on cabinet compatibility and standardized configuration, Usune helps global customers build safer, more efficient power distribution systems.

The 36 kV High Voltage Vacuum Circuit Breaker is a three-phase indoor switching device designed for 36kV distribution and sub-transmission systems. It combines vacuum interrupter technology with a spring stored-energy operating mechanism, providing reliable control and protection for feeders, transformers, capacitor banks, and bus-tie circuits in substations, industrial plants, and renewable energy installations.

The Usune Vacuum Circuit Breaker 12kv 24kv is a medium-voltage switching solution engineered for reliable installation, accurate commissioning, and stable long-term operation. With flexible 12kV and 24kV voltage options, dependable vacuum interruption technology, professional installation procedures, and strict international certifications, it delivers a safe and reliable circuit-breaking solution for medium-voltage power systems and electrical engineering projects worldwide.

Usune VS1-12 Indoor Vacuum Circuit Breaker is a 12kV handcart-type medium-voltage switching solution designed for modern indoor switchgear. It combines flexible cabinet compatibility, precise handcart positioning, reliable interlocking protection, and stable vacuum interruption technology to improve power system safety and operational efficiency.

The Usune Vacuum Circuit Breaker 630a is an indoor, 12kV, 50Hz medium-voltage breaker rated at 630A, with selectable short-circuit breaking capacity of 20, 25, 31.5 or 40kA and a 20,000-operation mechanical life. It protects transformers, motors, cable feeders and capacitor banks in 10kV distribution systems, and is manufactured to IEC and GB switchgear standards with CE marking.