Fargo Controls, Inc. 18 mm Plastic AC Photoelectric Sensor S4251

The S4251 is a 18 mm plastic housing AC photoelectric sensor with programmable NO/NC output, operating from 20 to 250 VAC. It features sensitivity adjustment, an LED function indicator, IP67 protection, and short circuit protection. The sensor has a maximum operating frequency of 15 Hz, a switching current of 300 mA, and a voltage drop of ≤1.5 V in the on state. Light source is red infrared, with a sensing distance of 250 cm when used with the S4225 reflector. Power drain is ≤10 mA, and it operates within a temperature range of -20 to +50 °C. The case is made of gray Makrolon plastic. Pre-wired cable or connector models are available.