ZW32-12 (G) series outdoor high voltage vacuum cir

ZW32-12 (G) series outdoor high voltage vacuum circuit breaker ZW32-12 (G) series outdoor high voltage vacuum circuit breaker for AC 50HZ, voltage 10 12KV three-phase power system, as breaking, Closing load current use, it has overload and short circuit protection function, to meet the control and measurement requirements, also allows remote control and monitoring. For protect and control the distribution systems of substation and industrial and mining enterprises and for the frequent use places of the rural power grid. Mainly Technical parametersNoItemUnitValue1Rated voltagekV122Rated insulation level1min power frequency withstand voltageDry42Wet34Lightning impulse withstand voltage (peak)753 Rated currentA630;400;2004 Rated short-circuit breaking currentkA20;16;12.55Rated operating sequenceO-0.3s-CO-180s-CO6Rated short-circuit breaking current breaking times times307Rated short-circuit closed current (peak)kA508Rated peak withstand currentkA509Rated short-time withstand currentkA2010 Rated short-circuit durations411Opening time (magnetic releasing)Max operating voltagems23 45Rated operating voltageMin operating voltage23 6012Closing timems25 4513Total break timems≤10014Arcing timems≤2015Mechanism lifetimes100016Storage energy motor rated input powerW4017Rated operating voltage and auxiliary circuit rated voltageVDC220,110,24AC220,110,2418Storage energy time on rated voltage s≤1019Over-current tripperRated currentA5Tripping current precision%±10