Pepperl+Fuchs OBR50M-R300-2P1-V1

Retroreflective sensor

Effective detection range: 0 … 50 m, Light type: modulated visible red light, Signal output: 2 push-pull (4 in 1) outputs, short-circuit protected, reverse polarity protected, Switching type: Q - Pin4: NPN normally closed / light-on, PNP normally open / dark-on /Q - Pin2: NPN normally open / dark-on, PNP normally closed / light-on, Connection: 4-pin, M12 x 1 connector, Operating voltage: 10 … 30 V DC, Ambient temperature: -40 … 55 °C (-40 … 131 °F)