Zw20 Outdoor High Voltage Circuit Breaker Sf6 Gas Insulation 12kv Load Break Switch

  Description:ZW20-12 outdoor high voltage vacuum circuit breaker for a period of 12KV, rated voltage of the three-phase AC 50HZ outdoor distribution equipment. It adopts vacuum arcing and SF6 gas as insulating medium is ZW20-12 column type vacuum circuit breaker on the modified products.The product suitable for substation industrial and mining establishment's rural power network and occasions with frequent operation to protect and control. ZW20A outdoor AC high voltage vacuum circuit breaker is mainly used to break and close load current, over-load current and short-circuit current in outdoor 36kv three-phase alternating current 50Hz power system, also suitable for occasion with frequent operations.Service environment: 1.Altitude: ≤3000 Meters2.Enviroment temperature: outdoor -40ºC ~ +40ºC the daily temperature difference is 25ºC3.Wind speed: ≤35m/s4. Location is without inflammable substances, explosives, rusty chemicals and strenuous vibration NO.ItemUnitValue01Rated voltagekV1202Rated frequencyHz5003Rated currentA63004Rated short-circuit breaking currentkA2005Withstand current of rated peak currentkA5006Rated short time withstand current(4s)kA2007Rated short open/close current(peak)kA5008Mechanical lifetimes1000009Open/close times of rated currenttimes1000010Open/close times of rated short-circuit breaking currenttimes3011Power frequency with stand voltage (1min):between phases, ground/fracturekV42/4912lightning impulse withstand voltage(peak)between phases, ground/fracturekV75/85132nd circuit 1min power frequency withstand voltagekV214Net weightkg140/* 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