ZW32-12 Outdoor High-voltage Vacuum Circuit Breake

ZW32-12/ 630 Outdoor AC high-voltage vacuum circuit breaker (hereinafter referred to as breaker), rated voltage is 12KV, three-phase AC 50Hz outdoor distribution equipment. Mainly used for breaking, closing load current, overload current and short circuit current in electronic system. Widely used in substation, industrial & mining and frequently operation of rural power to achieve protecting and controlling the power distribution system. Also be used as the reversing switch, with controller, it can realize the distribution automation. ProjectsUnitZW32-12/T400-12.5ZW32-12/T630-16ZW32-12/T630-20Rated voltagekV12Rated CurrentA400630630Rated short-circuit breaking currentKa12.51620Rated short-circuit making current(peak)31.54050Rated peak withstand current31.54050Rated short-circuit withstand current12.51620Rated short-circuit durations4Rated insulation levelLightning impulse withstand voltage (peak)kVinter phase, to each 75, break 851min power frequency withstand voltageinter phase, to each 42, break 48Rated operating sequenceO-0.3s-CO-180s-CO(Electric sector)Rated short-circuit current breaking timesTimes30Mechanism endurance10000Rated operating voltage (Open-close coil)VDC220,110,AC220Total thickness of the dynamic and static wear contact allowedmm3rated current of over current tripA5Current Transformer ratio200/5 400/5 600/5Contact clearancemm9±1Supper travel of contact2±0.5Average opening speedm/s1.2±0.3Average closing speed0.6±0.2Opening timems30 60Closing time20 40Bouncing time of closing contact≤2Three-phase over the same period of Opening and Closing≤2DC resistance per phase circuitµΩ≤80Energy storageRated voltageV-220Rated powerW200Storage timeS≤8weightkg85