This product is an 11kV, 60Hz three-phase outdoor power distribution equipment, mainly used for making and breaking load current, overload current, and short-circuit current in power systems. It is applicable to substations, industrial and mining enterprises, and rural power grids with frequent operation scenarios, complying with standards such as GB/T11022 and IEC56.
1. Rated voltage: 11kV;
2. Rated frequency: 60Hz;
3. Rated current: 630A;
4. Rated short-circuit breaking current: 31.5kA;
5. Rated short-circuit making current (peak): 80kA;
6. 4s rated short-time withstand current: 31.5kA;
7. 1min power frequency withstand voltage (phase-to-phase/phase-to-ground): 48kV;
8. Lightning impulse withstand voltage (peak): 95kV;
9. Mechanical life: 30,000 operations;
10. Contact opening distance: 9±1mm, overtravel: 3±1mm;
11. Opening time: 20~40ms, closing time: 30~60ms
1. Composition: Three-phase support, mechanism box, current transformer, vacuum interrupter;
2. Insulation material: Outdoor epoxy resin solid or silicone rubber;
3. Operation mode: Manual/electric energy storage, optional remote control;
4. Protection design: Fully sealed structure, UV and aging resistant;
5. Optional components: Isolation switch (three-phase interlocking with anti-misoperation interlock)
1. Frequent operation scenarios in rural power grids;
2. Substations of industrial and mining enterprises;
3. Protection and control of outdoor power distribution systems;
4. Fault self-healing circuits of distribution lines
