The Square D 53342D 25HP SAFETY DISCONNECT SWITCH 60A 60 AMP 575VAC see below is a sensor/switch from Square D. 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 575VAC, 60A, 60 AMP. It is commonly in OEM equipment and MRO replacement for sensing and control circuits.
