Fargo Controls, Inc. 4 mm Diameter DC 3 Wire Inductive Proximity Sensor S3511

The S3511 is a 4 mm diameter, non-threaded, stainless steel inductive proximity sensor with NPN normally closed output, designed for dc three-wire applications. It features an LED function indicator, short circuit and reverse polarity protection, and operates with a supply voltage of 6 to 30 Vdc. The sensor has an operating distance of 0.8 mm, a maximum switching current of 150 mA, and a voltage drop of less than 1.4 V when on. It supports a 2 kHz switching frequency and meets IP67 protection standards for dust tightness and immersion resistance. Operating temperature ranges from -25 to +70 °C. The output connection is a 2-meter cable with a C1 connector, and flush mounting is supported.