The 35kV Outdoor High-Voltage Vacuum Load Break Switch is a core power distribution device engineered for 3-phase AC 50/60Hz power grids. Specialized in making, carrying and breaking normal load currents, as well as withstanding short-circuit currents for specified durations, it is the ideal switching solution for outdoor 35kV medium and high-voltage distribution networks.

Our 12kV 630A AC 50Hz Three-Phase Power Distribution Protection Device is a high-reliability electrical component, specifically engineered for three-phase AC power distribution systems with rated voltage 12kV, rated current 630A, and frequency 50Hz. It is especially designed as an ideal protection solution for packaged substations and transformers, widely applied in urban power ring networks, city grid construction and renovation projects, high-rise buildings, and public facilities. With advance

This brochure presents ROCKWILL 12‑24kV compact three‑position SF6‑free pure air‑insulated load break switch. With 630A rated current and up‑to‑21kA short‑time withstand current, it combines switching, isolation and earthing functions. It achieves 10,000 overhaul‑free operations, supports customization, and suits eco‑friendly urban, new‑energy and industrial power distribution projects.

This catalog introduces ROCKWILL RVD dead‑tank SF6‑free vacuum circuit breaker. Adopting vacuum interruption technology without SF6 gas, it features dead‑tank structure with high mechanical strength, excellent seismic performance and stable insulation performance. Suitable for high‑voltage power transmission and distribution systems, it is eco‑friendly, maintenance‑free and highly reliable for outdoor substation applications.

This flyer introduces ROCKWILL Eok SF6‑free fully air‑insulated switchgear, rated at 12‑24kV, 630A with 12.5‑21kA short‑circuit breaking capacity. Adopting pure air/N₂ insulation, it achieves 10,000 overhaul‑free mechanical operations, with standardized accessories, eco‑friendly and highly reliable for primary power distribution applications.