Ring Main Unit With Vcb Tee Off

11-22KV SF6 Ring Main Unit with VCB Tee Off.Salient FeaturesSF6 Ring Switch with tee off VCB gives longer services lifeRobust & Single Gas Sealed tank Construction for 3 way Ring Main UnitFully extensibleOperating mechanism with mechanical interloacksFacilities for padlocks on all switching functionsPhase indications and Fault passage indicationsInternal arc protectionSF6 Pressure monitoringConfirms to Indian Electricity Regulations & as per IEC 62271-100,101,102 &103Compatible for remote & SCADA operationsApplicationSecondary Ring Main Distribution systemRemote substationsIndustrial DistributionWind mill power plantsCommercial & Infrastructural EstablishmentAccessories/OptionalNumerical Relays & CT'sCable Jointing KitsMotorized MechanismTechnical Specifications Details Unit SF6 Ring main unit Type - 11 kV 22 kV Rated Voltage kV 12 24 Rated current tee off /switch Amps 400/630 400/630 Rated  Frequency   Hz 50 50 Rated Short Circuit Breaking Current (Main circuit)  kA 20 20 Rated Short Circuit Making Current (Main circuit)  kA 50 50 Rated Short Circuit making current (Earthing switch) kA 50 50 Rated duration of short circuit(Main circuit) Seconds 3 3 Rated duration of short circuit(Earthing switch) Seconds 2 3 Rated Power frequency withstand voltage kV 28 50 Impluse withstand voltage kV peak 75 125 Mechanical endurance of load breaking switch Cycles 10,000 10,000 Tanks gas pressure MPa 0.05 0.05 Relevant standard - IEC 62271-100,101,102 & 103 Dimensions mm As per G.A Drawing