cam switch,rotary cam switch,selector switch,universal changover switch,combination switch,LW26,LW2,LW6,YMW26,LW28 cam switch,rotary cam switch,selector switch,universal changover switch,combination switch,LW26,LW2,LW6,YMW26 ... model meaning that makes control use transfer switch . Pour: change angle code name is 30°(3):45°(4):60°(6):90°(9 ...