++++General:
     RLS-12 an indoor high-voltage SF6 load switch, an switchgear wi ththe rated voltage of  12kV/24kV, adopted with SF6 gas as an arc-extinguishing and insulation medium, including the three contactors for switching-on and switching-off andto-ground, and is characteristic in its small volume, its convenient installation and operation and itsthe great adaptability with surroundings.
     RLS-12 of an indoor high-voltage SF6 load switch and RLS-12D of SF6 load switch plus fuse combination canfunctionto protect and controlthe electric equipments for power supply and transformer substations especially being suitable for ring net cabinet, cable branch cabinet and distribution switching substation.
     RLS-12 of an indoor high-voltage SF6 load switch and RLS-12D load switch plus fuse combination are complied withthe standards of GB3804-1990, IEC60256-1,1997, GB16926, IEC60420 etc..
++++Service environment:
    a) Airtemperature
       Maximumtemperature: +40℃; Minimumtemperature:-5℃
    b) Humidity
        Monthly average humidity 95%; Daily average humidity 90%.
    c) Altitude above sea level
        Maximum installation altitude: 2500m
    d) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
    e) Nofrequent violent shake
++++Main technical specifications: