Fargo Controls, Inc. Rectangular DC 4 Wire Inductive Proximity Sensor S3840

The S3840 is a rectangular 4-wire DC inductive proximity sensor with an adjustable operating distance of 10 to 60 mm, NPN output with both normally open and normally closed functions, and IP67 protection against dust and immersion. It includes short circuit and reverse polarity protection, an LED function indicator, and a 2-meter PVC cable output. The sensor operates on 10-55 Vdc, has a maximum switching current of 200 mA, a voltage drop under 1.8 V when ON, and an operating frequency of 50 Hz. It is non-flush mountable and functions within a temperature range of -25 to 70 °C.