This compact switch integratesload switching, isolation, and earthingin one, using SF6 gas for superior insulation and arc extinction. Ideal for 12kV–40.5kV medium-voltage grids, it features a fully sealed design, ensuring stable operation in harsh environments (high humidity, dust, extreme temperatures). Compliant with IEC/ANSI standards, it supports distribution automation, cuts maintenance costs, and boosts power supply reliability for utilities, industrial parks, and renewable energy s

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.

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.

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

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.