Sierra Rs20050 Contura Rotary Switch, Off - On - (On) / Off - 1 - 1&2 - Rs20050 - 11-Rs20050F1
Fits in industry standard panel opening Patented mechanism that translates rotary to linear motionSecondary cam provides definitive detent positionsIP67 sealing protection for above-panel components(On) in parenthesis designates a momentary position