This Siemens MAIN SWITCH / EMERGENCY STOP SWITCH 20 HP 600V 3Ø 11.5A 3LD2203-OTK53 is a sensor/switch manufactured by Siemens. It senses object presence, distance, or position (or switches an electrical circuit) and converts that into an output signal for machine control or monitoring. Key specifications noted on this listing include 11.5A. It is commonly in OEM equipment and MRO replacement for sensing and control circuits.
