KYN28A HV infix expression switchgear in metal-arm

In accordance with the standards: IEC298,GB3906,DL/T404,DL/T593. Applications: power plants, substations, airports, terminals, stations, steel mills, petrochemical companies, light industry sector, hotels, public squares and large-scale construction places. Features: Technical parameters The body structure is spliced with (2mm) AI-Zn-plated steel sheet, which underwent repeated edge forces,could anti corrosion and anti-oxidation without any treatment on the surface.Uses homemade vacuum circuit breaker such as,VS1,VTP or ABB's VD4 as the main switch.Equipped with automatic clotted-dew controller effectively to prevent condensation and improve the insulation level.The same size handcart with 100% interchangeability.Simple reliable mechanical interlocking to meet the requirement of fail-safe unit.Passed Condensation Test and Internal Arc Fault Test.Mechanical life can reach 20000 times, electrical endurance can reach 50 times (31.5kA).Name SymbolParameterRated voltage kV3.6,7.2,12 Rated insulation voltage Power frequency withstand voltage1minkV42/49Lightning impulse withstand voltage 75/78Rated Frequency Hz50Rated current for busbar A630,1250,1600,2000,2500,3150,4000Rated current for branch busbar A630,1250,1600,2000,2500,3150,4000Rated short-time withstand current(4s) kA16,20,25,31.5,40,50Rated peak withstand current kA40,50,63,80,100,125Protection grade Shell is IP4X,Panels and Truck compartment is IP2X Orders Information Main electrical connection diagram and single line system diagram; Second function diagram,teminal pareto diagram; Name,Type,Specification,Qty; Provide span and height dimensions if needs bus structure.