This SMC D-H7A2 sensor switch, 28VDC, 3-Wire, 0.5m lead length is a sensor/switch manufactured by SMC. 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 28VDC. It is commonly in OEM equipment and MRO replacement for sensing and control circuits.
