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Product Name: Zw8 Vacuum Interrupter for Outdoor Circuit Breaker202A Model NO.: 202A Certification: ISO9001-2000, CQC Function: Vacuum Type: Vacuum Poles Number: 3 Structure: Vacuum Installation: Fixed Arc-extinguishing Medium: Vacuum Speed: High-Speed Circuit Breaker Operation: Energy-storage Type Breaking Capacity: High Voltage Circuit Breakers Warranty: 12 Month Trademark: ZGVE Transport Package: Standard Export Packing. Specification: Vacuum Origin: Wenzhou HS Code: 8538900000 Product Description ZW8 Vacuum Interrupter For Outdoor Circuit BreakerMain Technical DataMainTechnicalDataRatedVoltage12kVRatedCurrent1250ARatedFrequency50HzRatedShort-timepowerfrequencywithstandvoltage(1min)42kVRatedLightingimpulsewithstandvoltage75kvRatedshort-circuitbreakingcurrent20/25KARatedshort-circuitmakingcurrent(peak)50/63kABreakingoperationsofratedshortcircuitbreakingcurrent30timiesRatedsiglecapacitorbankbreakingcurrent400ARatedshort-timewithstandcurrent20/25kARatedpeakwithstandcurrent50/63kARateddurationofshort-circuit4sMechanicalife10000timesContactclosingforceduetobellowsandatmosphere70±40NCounterforceatratedcontactstroke120±50NCircuitresistanceatratedcontactforce≤25μΩShelflife20yearsContacterosionlimit3mmWeightofmovingparts≤0.7kgMechanicalDataRequiredformatchedvacuumswitchgearRatedcontactstroke9±1mmAverageopeningspeed1.0±0.25m/sAverageclosingspeed0.65±0.15m/sAddedcontactforce1300/1600±100NContactbouncingdurationatclosingoperation≤2msContactbouncingbankamplitudeofopeningoperation≤2mmThree-polesimultaneity≤1msDimensional Drawing