AutomationDirect's AK1-AP-1H is a tubular M18 inductive proximity switch with a nickel-plated brass housing, 18 mm diameter and 64 mm long. It operates on 10–30 VDC, provides a 5 mm nominal sensing distance, and carries an IP67 rating with a shielded 4-pin M12 quick-disconnect connection. The AP-1H configuration delivers a 3-wire PNP normally-open output with a switching frequency up to 600 Hz, suited for standard-duty automation, and it tolerates temperatures from -25 to 70 °C.
