Outdoor Disconnect Switch Porcelain Insulator Type

GeneralZW32-12 Series outdoor AC vacuum circuit breaker is 12kV distribution equipment of 3 phase,50Hz. It's used to connect and break load current,over-load current, and short-circuit current. It's applicable for substations, industry, mining, and urban and rural electric power networks, especially applicable on occasions with frequent operation and automatic power distributionnetworks.  Model and Definition  Technical specificationNo.ItemUnitData1Rated frequencyHz502Rated voltagekV123Rated currentA630/12504Rated short-time power frequency withstand voltageInterphase, to earth(wet)kV/min42/1Interphase, to earth(dry)48/1Break(dry)34/1Secondary circuit to earth2/15Rated lightning impulse withstand voltageInterphase, to earthkV75Break856Rated short-circuit breaking currentkA20/257Rated short-circuit making current(peak) 50/638Rated short-time withstand current and durationkA/s(20/25)/49Rated peak withstand currentkA50/6310Rated short-circuit breaking current breaking timesTimes3011Rated operating voltage and rated voltage of auxiliary circuitVAC/DC220,DC48,DC2412Main circuit resistanceWithout isolationμΩ≤80With isolation ≤12013Mechanical lifeTimes10000Note: If the altitude is over 1000m, the rated insulation level should be modified as appropriate.  Outline and Dimensions/* 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