This PDF product flyer supports tender comparison, indoor‑distribution‑project selection and pre‑sales technical evaluation. This indoor medium‑voltage load‑break‑switch complies with IEC 62271‑1 general high‑voltage switchgear requirements and IEC 62271‑103 for AC switches from 1 kV to 52 kV. It adopts three‑phase modular pneumatic actuator with simple construction and backup manual‑operation function, delivering stable performance under 50 Hz grid condition and achieving up to 30 000 overhaul‑

The FKW18 Series Outdoor High-Voltage Load Break Switch integrates domestic expertise with global technology. Designed for 40.5kV, 50Hz three-phase AC systems, it features an isolation knife and a gas-generation arc-quenching chamber. This design ensures superior arc extinction, high insulation, and reliable performance with minimal maintenance.Capable of safely switching both loaded and no-load lines, the FKW18 provides a visible isolation gap in the open position that meets standard disconnect

The FZN25 and FZRN25 Series are engineered for 50Hz AC ring networks and industrial systems. The FZN25 vacuum load switch handles load, closed-loop, and cable charging currents, while the FZRN25 combined apparatus provides robust short-circuit protection up to rated fault levels.Featuring a specialized transmission design, the arc-extinguishing chamber only withstands voltage during switching, ensuring a compact, lightweight build with seamless one-step operation. Equipped with manual and electr

The FZN21-40 Series Indoor AC High-Voltage Load Switches and Fuse Combination Units are engineered for 40kV, 50Hz three-phase power systems. Designed for versatile integration with complete power distribution equipment, ring-network switch cabinets, and combined substations, these units are widely deployed in urban grid projects, industrial facilities, high-rise buildings, and public infrastructure as reliable ring power or terminal equipment for power distribution, control, and protection.ROCKW

Engineered for 12-15kV AC grids, the FZN16-12 Indoor High-Voltage Vacuum Load Switch safely handles load and short-circuit currents. Featuring a visible isolation gap and minimal operating force, this oil-free, maintenance-free device is an ideal upgrade for traditional switches, ensuring reliable performance in modern indoor distribution systems.ROCKWILL 12kV~15kV Indoor AC High-Voltage Load Switch is a high-performance indoor switching device designed for medium-voltage distribution systems. A