Product Name: 33kv High Voltage Sf6 Gas Fully Insulated Ring Main Unit Model NO.: RMR Current: AC Structure: Floorstanding Installation: Fixed Voltage Level: Medium Voltage Shell Material: Aluminum Alloy Certification: ISO9001 Trademark: powertech Transport Package: Wooden Packing Specification: IEC, GB Origin: Zhejiang, China HS Code: 8537109090 Product Description 33kv High Voltage SF6 Gas Fully Insulated Ring Main UnitGeneralRMR-40.5KV fully insulation SF6 gas switchgear(SF6 gas ring main unit)is according to GB/IEC standard to design a high safety margin modular switchgear.RMR-40.5KV system combination switchgear systems can be divided into three main unit cabinet:(1) A three-position switch cable switch unit, and can be configured to display additional charge arrester and ground fault components. Code C.(2)A three-position switch plus fuse tripping system and a lower grounding switch interlock system fuse combination unit, and can be configured to live display, display additional charge arrester and ground fault components. Code F.(3) A three-position switch plus vacuum circuit breaker combination unit, and can be configured to current transformer, live display, display additional charge arrester and ground fault components. Code V.The combination of the current transformer and microcomputer comprehensive security constitute the basic line protection.Microcomputer comprehensive security passive protection, CT to take power without a separate power supply PT.Use of environmentAir temperature: -40ºC~+40ºC, average daily difference of not more than 25ºC,Altitude: ≤4000m(any special requirements to be noted)Wind speed:≤35m/sEquipment level: less than 8°Technical specificationsNo.ItemUnitParameter 1Rated voltageKV40.52Power frequency withstand voltagedry80/95wetLightning impulse withstand voltage170/185/2003Rated currentA6304Rated short circuit breaking currentKA20/25(V)31.5(F)5Rated breaking current loop A630(C)6Rated cable charging breaking currentA50(C)7Rated cable charging breaking currentA10(C)8Rated excitation transformer breaking currentA169Rated making current peakKA50/2.5(/)(main switch/earth)10Rated peak withstand current11Rated short time withstand current2012Rated short time withstand timeS413Mechanical lifetimesC/F(2000)V(10,000)