Zn20 Vacuum Interrupter for Outdoor Circuit Breaker (204C)

ZN20 Vacuum Interrupter For Outdoor Circuit Breaker(204C)Main Technical DataMain Technical DataRated Voltage 12kVRated Current 630ARated Frequency50HzRated Short-time power frequency withstand voltage(1min)42kVRated Lighting impulse withstand voltage75kvRated short-circuit breaking current 20KARated short-circuit making current(peak)50kABreaking operations of rated short circuit breaking current30 timiesRated sigle capacitor bank breaking current 400ARated short-time withstand current20kARated peak withstand current50kARated duration of short-circuit4sMechanica life10000timesContact closing force due to bellows and atmosphere70±40NCounterforce at rated contact stroke120±50NCircuit resistance at rated contact force ≤25μΩShelf life 20 yearsContact erosion limit3mmWeight of moving parts≤0.7kgMechanical Data Required for matched vacuum switchgearRated contact stroke9±1mmAverage opening speed 1.0±0.25m/sAverage closing speed 0.65±0.15m/sAdded contact force 900/1300/1600±100NContact bouncing duration at closing operation≤2msContact bouncing bank amplitude of opening operation≤2mmThree-pole simultaneity≤1msDimensional Drawing  /* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1