Rating: Rated voltage 3~12KV, rated current reach to 630A for load break switch and 125A for combined switchgear .
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.
Feature: 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.
Ambient air temperature: -15℃~+40℃. Daily average temperature:≤35℃.
Relative humidity : Daily average≤95% ,daily averange of vapour pressure≤2.2kpa Monthly average≤90%，monthly averange of vapour pressure≤1.8kpa.
Earthquake intensity: ≤magnitude 8.
Applicable in the places without corrosive and flammable gas.