Our 35kV SF6 load break switch is a key gas insulated switchgear for high voltage power distribution.
This outdoor SF6 switch fits substation, power grid and industrial high voltage projects.
1. Superior SF6 Insulation Performance: Adopts high-purity SF6 gas as the insulating medium, which meets the insulation requirements of 35kV high-voltage working conditions, effectively avoiding electric breakdown and ensuring long-term stable operation of high-voltage lines.
2. Professional Outdoor Adaptability: Equipped with integral epoxy resin insulated bushings, featuring rainproof, dustproof, anti-aging and weather-resistant capabilities. The whole machine reaches IP65 outdoor protection grade, suitable for harsh outdoor environmental conditions.
3. High Safety & Reliability: Adopts fully sealed gas chamber structure to minimize SF6 gas leakage. Built-in anti-misoperation interlock device prevents incorrect opening and closing operations, ensuring personal and equipment safety during operation and maintenance.
4. Dual Operation Modes: Supports manual insulated rod operation and optional electric motorized operation, flexible for on-site debugging, daily switching and automatic power distribution system matching.
The 35kV SF6 load break switch consists of three core modules with compact structure and strong integration:
1. Main Module: Includes 35kV three-phase epoxy resin encapsulated SF6 insulated bushings, fully sealed SF6 gas chamber and high-conductivity conductive circuit, ensuring stable insulation and power transmission performance.
2. Operating Module: Matches manual and motorized dual operating mechanisms, equipped with high-strength insulated operating rod, realizing stable opening, closing and locking actions.
3. Auxiliary Components: Complete with standard mounting fasteners, high-performance sealing parts and real-time status indicators, convenient for field installation, state observation and daily maintenance.
| Parameter Category | Typical Specifications |
|---|---|
| Rated Voltage | 35kV |
| Rated Current | 630A |
| Rated Short-Circuit Breaking Current | 20kA (if equipped with fuse) |
| Insulation Medium | SF6 gas |
| Operation Mode | Manual (insulated rod)/Electric (optional) |
| Protection Rating | IP65 (outdoor grade) |
Adoption of fully sealed gas chamber structure enables maintenance‑free long‑duration operation, with effective isolation against external dust, moisture and corrosive contaminants for minimized routine maintenance expenditure in power distribution projects.
Manufactured in strict accordance with IEC 62271‑200 and GB 3804 specifications, stable operational performance is maintained within the temperature scope from –40℃ to +65℃. Superior resistance against salt fog and weather aging allows reliable deployment across coastal, plateau, industrial and field outdoor working scenarios. Compliance is verified through third‑party testing aligned with national energy industry safety codes.
Excellent dielectric insulation is achieved via high‑purity SF6 medium, while integrated misoperation interlock mechanism secures operational safety of 35kV high voltage power distribution systems.
1. 35kV Power Distribution Network: Serves as outdoor branch switch and user service switch for urban and rural power grids, realizing flexible load control and line segmentation management.
2. Substation Outdoor Feeder: Applied in 35kV substation feeder circuits, completing normal load switching, circuit isolation and safety protection during equipment maintenance.
3. Industrial & Mining High-Voltage Projects: Suitable for outdoor high-voltage distribution in industrial parks, mining areas and large manufacturing bases, providing stable power supply control for transformers and large industrial loads.
It is an outdoor medium voltage switchgear used for load switching, circuit isolation and fault protection in 35kV power distribution networks, widely applied in substations and industrial power systems.
Yes. Our 7S-JDKG 35kV SF6 switch reaches IP65 outdoor protection grade, with rainproof, dustproof and anti-aging performance, stable for long-term outdoor operation.
No. The fully sealed SF6 gas chamber structure avoids external interference, realizing low maintenance and long service life, greatly reducing later operation costs.
