Pepperl+Fuchs GLK18-6-S/59/161/166

Retroreflective sensor

Effective detection range: 0 … 5.5 m, Light source: LED, Light type: modulated visible red light , 640 nm, Signal output: N-channel MOSFET, short circuit protected, Switching type: dark-on, Connection: Micro AC connector, ½” V124 ; 4-pin, Operating voltage: 20 … 250 V AC/DC, Ambient temperature: -20 … 60 °C (-4 … 140 °F)