Product Name: 12kv Center Distance 205mm Solid Sealed Pole (812A) Ep-12/630-25 Model NO.: 812A 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 Rated Valtatge: 12kv Rated Current: 630A Rated Frequency: 50Hz Rated Lighting Impulse Withstand Voltage: 85kv Trademark: ZGVE Transport Package: Standard Export Packing. Specification: Vacuum Origin: Wenzhou HS Code: 8538900000 Product Description 12KV Center Distance 205mm Solid Sealed Pole(812A) EP-12/630-25Main Technical DataMainTechnicalDataRatedVoltage12kVRatedCurrent630/1250ARatedFrequency50HzRatedShort-timepowerfrequencywithstandvoltage(1min)48kVRatedLightingimpulsewithstandvoltage85kvRatedshort-timewithstandcurrent25/31.5KARatedpeakwithstandcurrent63/80kARatedshort-circuitmakingcurrent63/80kARatedshirt-circuitbrekingcurrent25/31.5KABreakingoperationsofratedshortcircuitbreakingcurrent30timesRatedback-to-backcapacitorbreakingcurrent400ARatedsiglecapacitorbankbreakingcurrent630AMechanicalife30000timesContactclosingforceduetobellowsandatmosphere120±50NCounterforceatratedcontactstroke180±50NCircuitresistanceatratedcontactforce≤40μΩShelflife20yearsContacterosionlimit3mmPartDischarge≤1pCRatedOperatingSequenceO-0.3s-CO-180s-COMechanicalDataRequiredformatchedvacuumswitchgearRatedcontactstroke9±1mmContactConnectionStroke4±1mmAverageopeningspeed1.1±0.2m/sAverageclosingspeed0.6±0.2m/sAddedcontactforce2000±200NContactbouncingdurationatclosingoperation≤2msOutofsimultaneityofcontactclosingandopening≤1msMax.overtravel≤2mmDimensional Drawing