Explore Rockwill’s centralized resource hub for critical technical documentation and industry knowledge. We provide downloadable white papers on smart grid trends, fault detection technologies, and energy transition strategies — ideal for engineers, project planners, and utility operators.
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MV Outdoor Vacuum Circuit-breaker for substation catalogue
Catalogue
English
Consulting
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.
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145kV(123kV)Dead tank vacuum circuit breaker drawing
Drawings
English
Consulting
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.
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VD4 MV Vacuum Circuit Breakers
Brochure
English
Consulting
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.
