Fargo Controls, Inc. 18 mm Plastic AC Photoelectric Sensor S4240

The S4240 is an 18 mm plastic-housed AC photoelectric sensor for direct reflection, operating at 20-250 VAC with a sensing distance of 20 cm relative to a 10 × 10 cm matte white paper target. It features programmable NO/NC output, sensitivity adjustment, an LED indicator, IP67 protection, and short circuit protection. The sensor uses an infrared light source, has a power drain of ≤10 mA, a voltage drop of ≤1.5 V in the on state, a maximum switching current of 300 mA, an operating frequency of 15 Hz, and light immunity exceeding 10,000 Lux. The housing is gray Makrolon, with an operating temperature range of -20 to +50 °C and storage from -20 to +90 °C.