The Schneider Electric Harmony 9001KS53 30 mm selector switch is a panel‑mount, three‑position control head in the 9001K family, designed to mate with compatible 9001K contact blocks for mode or function selection in industrial control panels. It features a standard 30 mm (1.18 in) mounting diameter and is rated to IP66 for enclosure protection, with UL, CE, and CSA certifications for broad industrial use. This KS53 variant is used to implement three‑position selection in automation equipment, conveyors, and other control panels, and is compatible with Square D 9001K accessories to build a complete operator assembly.
