Fargo Controls, Inc. 4 mm Diameter DC 3 Wire Inductive Proximity Sensor S3515

The S3515 is a 4 mm diameter, non-threaded, stainless steel inductive proximity sensor with NPN normally closed output, designed for industrial detection applications. It features an LED status indicator, short circuit and reverse polarity protection, and an IP67 rating for dust tightness and immersion resistance. Operating from 6 to 30 Vdc, it has a switching current maximum of 150 mA, a voltage drop of less than 1.4 V when on, and an operating frequency of 2 kHz. The sensor has a 0.8 mm operating distance, ≤3% repeatability, and <10% hysteresis. It is flush mountable and operates between -25 to +70 °C, with a 2 meter cable and C1 connector.