Rockwill OVCB series is a vacuum circuit breaker designed specifically for medium voltage outdoor power distribution systems.up to 40.5kV/3150A,willcome to connect us,Customize vacuum circuit breakers for your exclusive usage scenarios

ROCKWILL RVD-145 dead-type vacuum circuit breaker, up to 145kV/3150A, utilizes clean air insulation combined with vacuum arc-extinguishing technology, achieving zero SF₆ and zero greenhouse gas emissions. It boasts the advantage of requiring minimal maintenance, high reliability, and an expected lifespan exceeding 50 years. It is suitable for installation in a wide temperature range of -50℃ to +55℃, both indoors and outdoors, making it an ideal choice for smart distribution grids.

Rockwill RCW-38 outdoor vacuum recloser has passed all DEKRA tests and is reliable in performance, ensuring the safety of high-voltage power!

As a pro in medium-high voltage switchgear design & manufacture, Rockwill's 145kV RVD SF6-free breaker offers stable performance, 30% maintenance savings, wide current adaptability for safe, reliable power everywhere.

The VD4 MV Vacuum Circuit Breaker is a reliable 12–24kV switching solution for medium-voltage grids. It offers 30,000 overhaul-free mechanical operations, a modular spring actuator for easy use, and sealed vacuum interrupters for stable performance in harsh environments (high humidity, dust). Compliant with IEC/ANSI standards, it suits utilities, industrial parks, and renewable energy stations, supporting distribution automation and boosting power supply reliability.