- Specs
- Types: fixed, handcart, side-mounted, floor-standing; Rated voltage: 12 / 24 / 40.5 kV; Rated frequency: 50 / 50 / 50-60 Hz; Rated current: 630–4000 A (12 kV), 630–3150 A (24 kV, 40.5 kV); Rated short-circuit breaking current: 20 / 25 / 31.5 / 40 / 50 kA (12 kV), 20 / 25 / 31.5 kA (24 kV, 40.5 kV); 1 min power frequency withstand: 42 / 65 / 95 kV; Lightning impulse withstand: 75 / 125 / 185 kV; Rated short-circuit duration: 4 s; Operating voltage (closing/opening coil, motor): AC110/220, DC110/220; Rated operation sequence: O-0.3s-CO-180s-CO; Mechanical life: 30000 times (31.5 kA and below), 20000 times (40 kA and below); Inter-phase center distance: 210 / 275 / 300 mm