General

1.Rating: Rated voltage 12KV , rated current reach to 630A.
2.Application :mainly applicable in urban power grid construction and renovation project. industrial and mining enterprises.high-rise buildings and communal facilities .For power distribution .controlling and protection on electric equipment as the loop power supply unit or terminal equipment.It also can be installed in preloaded substation
3.Feature: Use SF6 load switch and load switch-fuse combination as main switch. Equipped with vacuum load switch and spring operating mechanism which can be operated by hand or electric. Earthing switch and insulating switch are equipped with hand operating mechanism. With small volume and high security
4.Standard: IEC60420


Type designation




Working Conditions

1.Ambient air temperature: -15℃~+40℃. Daily average temperature:≤35℃.
2.Altitude: ≤1000m. 3
.Relative humidity : Daily average≤95% ,daily averange of vapour pressure≤2.2kpa Monthly average≤90%，monthly averange of vapour pressure≤1.8kpa.
4.Earthquake intensity: ≤magnitude 8.
5.Applicable in the places without corrosive and flammable gas.
Note: Customized products are available.