详细说明
Product Name: Zw32-12 Outdoor Pole-Mounted Sf6 Recloser From China Manufacturer 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 GeneralZW32-12 Series outdoor AC vacuum circuit breaker is 12kV distribution equipment of 3 phase,50Hz.It's used to connectionand break load current,over-load current and short-circuit current.It's applicable for substations,industry and mining,urbanand rural electricity power networks,especially applicable in occasions with frequent operation and automatic power distributionnetwork.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≤12013Machanical lifeTimes10000Note: If altitude over than 1000m, the rated insulation level should be modify as appropriate.
