Mechanical Life 10000 12kv ZW32 50 ( 60 ) Hz High Voltage Outdoor Vacuum Circuit Breaker Technicalparameter ---- Table1CircuitBreaker'sMainTechnicalData | | | | Data | NO | Item | Unit | 12kv | | 1 | Ratedvoltage | kV | 12 | | 2 | Ratedfrequency | Hz | 50 | | 3 | Ratedcurrent | A | 630/1250 | | 4 | Ratedshortcircuitbreakingcurrent | | kA | 20/25 | | 5 | Ratedpeakwithstandcurrent | | kA | 50/63 | | 6 | Ratedshorttimewithstandcurrent/lastingtime | kA/s | 20/4, 25/4 | | 7 | Ratedshortcircuitclosingcurrent(peak) | | kA | 50/63 | | 8 | Ratedoperatingsequence | | O-0.3s-CO-180s-CO | 9 | Mechanicallife | | 10000 | | 10 | Ratedshortcircuitbreakingcurrentbreakingtimes | | 50 | | 11 | 1minpowerfrequencywithstandcurrent | (wet) | kV | 34/36 | | (dry) | kV | 42/49 | | 12 | Lightningimpulsewithstandvoltage(peak) | kV | 75/85 | | 13 | Secondarycircuitpowerfrequencywithstandvoltage(1min) | V | 2000 | | | Table2CircuitBreaker'sMainMechanicalData | NO | Item | Unit | Data | 12kv | | 1 | Clearancebetweencontacts | mm | 91 | | 2 | Contact'sovertravel | mm | 2.50.5 | | 3 | Openspeed | m/s | 1.40.2 | | 4 | Closingspeed | m/s | 0.70.2 | | 5 | Contactclosingjumpingtime | | ms | 2 | | 6 | Polecenterdistance | mm | 3401.5 | | 7 | Threepoleopen/closenon-simultaneity | | ms | 2 | | 8 | Eachpoleconductingcircuitresistance | | | 70 | | 9 | Closingtime | ms | 25-60 | | 10 | Opentime | ms | 20-60 | | 11 | Motor'sratedpower | | w | 40 | | ---- ZW32-12typeoutdoorhighvoltagevacuumcircuitbreakeristhree-phaseAC, 50(60)Hzoutdoorpowerdistributionequipmentwiththeratedvoltageof12kv, Usedtoopenandclosetheloadcurrent, overloadcurrent, andshortcircuitcurrentintheelectricpowersystem. Alsousedtoprotectandcontrolthecircuitinsubstation, miningandindustrialenterprises, andfrequentlyusedintheoperationplacessuchasruralpowernetwork. 2.Usingenvironmentalcondition A.Thealtitudeabovesealeveldoesnotover2, 000meters; B.Surroundingairtemperature:-40~+40; C.Thewindspeedisnotbiggerthan34m/s; D.Theairfilthyshouldbewithindegree E.Installingplaces:Notflammable, theexplosionhazard, chemistrycorrodeplace; F.Doesnothavetheregularfiercevibration More Information,Please See Our Official Website: www.meletek.com
