For sale is a Siemens 3LD21 Rotary On / Off Switch mounted in a Polymer Enclosure. Switch capability: 2 HP at 120V, 1-phase / 3 HP at 240V, 1-phase / 7.5 HP at 240V, 3-phase / 10 HP at 240V, 3-phase. 5-9/16" (H) X 3-15/16" (W) X 3-3/16" (D) Polymer enclosure (not including switch protrusion). Switch made in Germany.