This product adopts an integrated fixed pole and high-reliability operating mechanism design, mainly used in medium-voltage overhead line networks to make and break load current, overload current, and short-circuit current. It can realize local or remote operation through communication methods such as cable, optical fiber, and GPRS, meeting the needs of smart distribution networks
1. Rated voltage: 33kV;
2. Rated frequency: 50/60Hz;
3. Rated current: 630A/1250A/1600A;
4. Rated short-circuit breaking current: 20kA/25kA/31.5kA;
5. Rated short-circuit making current (peak): 63kA/80kA;
6. 4s short-time withstand current: 20kA/25kA/31.5kA;
7. 1min power frequency withstand voltage (wet/dry): 80kV/95kV;
8. Lightning impulse withstand voltage (peak): 200kV;
9. Mechanical life: 30,000 operations;
10. Opening time ≤50ms, closing time ≤100ms
1. Composition: Integrated fixed pole, current transformer, operating mechanism, box body;
2. Arc-extinguishing principle: Vacuum interrupter + longitudinal magnetic field control, reliable arc extinction;
3. Energy storage method: Dual-mode of motor energy storage + manual energy storage;
4. Control configuration: Intelligent control combination, supporting automatic fault reclosing;
5. Protection class: Suitable for pollution class Ⅳ
1. Medium-voltage overhead line distribution networks;
2. Fault self-healing systems of smart grids;
3. Power distribution in high-altitude (≤3000m) areas;
4. Control and protection of outdoor high-voltage lines
~ Temperature -30℃~+60℃, wind speed ≤34m/s, storage temperature -40℃~+85℃;
~ Weight: 300~380kg (with/without isolation switch);
~ Phase center distance: 460±2mm
