The KSM-AP-3H is an inductive proximity sensor featuring a tubular design with 12mm diameter x 60mm body, constructed with durable 316 stainless steel housing. This PNP-type sensor provides normally open (N.O.) output with 4mm sensing distance and flush mounting capability. It operates at 2 kHz switching frequency and offers multiple protection ratings (IP65/IP66/IP67/IP68/IP69K). The device includes a 4-pin M12 quick-disconnect connector for easy installation.