The Schneider Electric Square D 9001KS11BH2 selector switch is a heavy-duty, two-position maintained control device designed for manual selection in industrial panels and machinery. It mounts on a 30.5 mm diameter hole, is rated up to 600 VAC and up to 10 A with appropriate K-series contact blocks, and uses screw terminals. This knob-operated switch is part of the 9001K Heavy-Duty series and features a NEMA Type 4, 13 enclosure rating for rugged environments. Common replacements include Schneider Electric XB4BD21, Allen-Bradley 800T-J2, and Siemens 3SB3500-2EA11 selector switches.
