Further information for Pepperl + Fuchs PF distance sensor 297898 - VDM28-50-R1/73c/136
Light type: red, alternating light, signal output: 2 push-pull outputs, short-circuit proof, reverse polarity protected, connection: device connector M12 x 1, 4-pin, operating voltage: 10 ... 30 V DC, class 2, ambient temperature: -30 ... 55 °C (-22 ... 131 °F)