This product is a 24kV, 60Hz three-phase outdoor power distribution equipment, used for making and breaking load current, overload current, and short-circuit current. It is applicable to substations, industrial and mining enterprises, and rural power grids, complying with standards such as GB/T11022 and GB1984-89, featuring easy maintenance and safe operation.
1. Rated voltage: 24kV;
2. Rated frequency: 60Hz;
3. Rated current: 630A/1250A;
4. Rated short-circuit breaking current: 20kA/31.5kA;
5. Rated short-circuit making current (peak): 50kA/80kA;
6. 1min power frequency withstand voltage (phase-to-phase/phase-to-ground): 50~60kV;
7. Lightning impulse withstand voltage (peak): 125kV;
8. Mechanical life: 10,000 operations;
9. Contact opening distance: 9±1mm, overtravel: 3±1mm;
10. Rated power of energy storage motor: 70W.
1. Core components: Vacuum interrupter, spring operating mechanism, current transformer;
2. Insulation structure: Epoxy resin or silicone rubber insulation, high and low temperature resistant;
3. Connection design: Plug-in structure for secondary circuit, easy maintenance;
4. Operation function: Manual/electric opening and closing, supporting remote control;
5. Interlocking device: Anti-misoperation interlock between isolation switch and circuit breaker
1. Line control of medium-voltage distribution networks;
2. Outdoor power distribution of industrial and mining enterprises;
3. Upgrading and transformation of rural power grids;
4. Power distribution facilities in hot and humid areas
