New Concept Electric Inc.  

Product Name: 12kv High Altitude Pole Mounted Vacuum Switch Model NO.: AB-3S-12/1250 Certification: ISO9001-2000 Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB Type: Circuit Breaker Poles Number: 3 Structure: ACB Installation: Fixed Arc-extinguishing Medium: Vacuum Speed: High-Speed Circuit Breaker Operation: Electric Type Breaking Capacity: High Voltage Circuit Breakers Trademark: NCE Transport Package: Wooden Box Specification: customized Origin: China HS Code: 85352100 Product Description Technical parameter of bodyRated voltagekV12Rated currentA630/1250Rated frequencyHz501min power frequency withstand voltage (to break/ fracture)kV42/48Rated lightning impulse withstand voltage (to break / fracture)kV75/85Rated short circuit breaking currentkA20/25Rated short circuit making current (peak)kA50/63Thermal steady current(4s)kA20/25Dynamic steady current(peak)kA50/63Rated short circuit current break timeTime30Closing timems≤65Breaking timems≤45Average breaking speedm/s1.1±0.2Average closing speedm/s0.6±0.2Mechanical timeTime10000Rated operation sequence of circuit breakerO-0.3s-CO-180s-COCurrent transformer ratio600/1Accuracy degree(0.5)10P10Shell protection degreeIP64Weightkg80Technical parameter of control boxAuxiliary power supplyVAC100/220Working sourceVDC24Permanent magnetic operation supplyVDC110Rated incoming currentA1A/5ACurrent protection movement timems<15msCurrent setting range0.1In~10InWeightkg25