详细说明
Product Name: Outdoor High Voltage Vacuum Circuit Breaker (VCB) Function: Conventional Circuit Breaker, Overcurrent Protection Type: Circuit Breaker Installation: Fixed Arc-extinguishing Medium: Vacuum Operation: Manual Type Breaking Capacity: High Voltage Circuit Breakers Trademark: DGG Transport Package: Export Box Origin: China HS Code: 8504311000 Product Description GeneralZW32-12Y Series outdoor AC vacuum circuit breaker is 12kV distribution equipment of 3 phase,50Hz.According userrequirments,prepaid circuit breaker's high-voltage metering box can be three-phase three-wire system(V/V connection) orthree-phase four-wire system(Y/Y connection), metering current transformer can be single ratio or multi ratio.The ratio range is(2.5~1200)/5.VCB main technical dataNo.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≤12013Machanical lifeTimes10000Note: If altitude over than 1000m, the rated insulation level should be modify as appropriate.High-voltage metering main technical dataNo.ItemUnitData1Rated frequencyHz502(cosΦ)Power factor0.8(lag)3Rated primary voltage3-phase 3-wire systemkV103-phase 4-wire system10/√34Rated secondary voltage3-phase 3-wire system0.1/0.223-phase 4-wire system(0.1/√3)/0.225PT wiring method3-phase 3-wire systemV-V3-phase 4-wire systemY-Y6Rated primary currentA5~6007Rated secondary current58PT accuracy class0.2/39CT accuracy class0.2S10PT rated outputVA15/20011PT ultimate output500(class3)12CT rated output1013PolaritySubtractive polarity14Rated short-time power frequency withstand voltagekV/min42/115Rated lightning impulse withstand voltagekV75
