Type HXGNO-12 box type fixed metal closed switchgear (referred to as ring network cabinet) is a complete set of AC high voltage
electrical equipment with rated voltage from 12kV to 35kV and rated frequency of 50Hz. It is mainly used in three-phase AC ring
network, terminal distribution network and industrial electrical equipment for receiving and distributing electric energy. It is
also suitable for loading into box type substation.
|2||1min power frequency withstand voltage||Ground and interphase 42; Isolation fracture 48|
|3||Lightning impulse voltage (peak value)||Ground and interphase 75; Isolation fracture 85|
|5||Rated current of main bus||A||630|
|7||switch||Lifetime at rated current||Times||Not less than 100|
|8||Breaking no-load transformer capacity||kVA||1250|
|9||Rated thermal stability current||kA/s||20/4;|
|Ground switch 20/2|
|10||Rated dynamic stability current (peak value)||kA||50|
|11||Rated short-circuit making current (peak value)||50|
|12||combination||Fuse rated current||A||100|
|13||Electrical appliances||Rated transfer current||1500||2000|
|14||Rated short-circuit breaking current||kA||31.5|
|15||Equipped with fuse model||SQLAJ-12(XRNTa-10)|
|17||Auxiliary circuit 1min power frequency withstand voltage||kV||2|
|18||Working voltage of electric operating mechanism||V||Ac/dc 220;110|
|20||Dimensions (width x depth x height)||mm||650(850)x900x2000(2200)|
1.Working environment temperature: upper limit +40ºC, lower limit: -25ºC.
2.The altitude of the use site shall not exceed 2000m.
3.air relative humidity: daily average is not more than 95%, monthly average is not more than 90%.
4. the surrounding air is not corrosion or combustible gas, water vapor and other obvious pollution.
5. no frequent violent vibration.