Pepperl+Fuchs ML17-54/136/143

Retroreflective sensor

Effective detection range: 0 … 3.5 m, Light source: LED, Light type: modulated visible red light , 626 nm, Signal output: 2 push-pull (4 in 1) outputs, short-circuit protected, reverse polarity protected, overvoltage protected, Switching type: light/dark on, Connection: M8 x 1 connector, 4-pin, Operating voltage: 10 … 30 V DC , class 2, Ambient temperature: -20 … 55 °C (-4 … 131 °F)