General specifications Switching element function NC contact Rated operating distance 50 mm Installation flush Assured operating distance 0 ... 40.5 mm Reduction factor r Al 0.4 Reduction factor r Cu 0.35 Reduction factor r 304 0.8 Nominal ratings Operating voltage 10 ... 60 V DC Switching frequency 0 ... 80 Hz Hysteresis 0 ... 20 typ. 5 % Reverse polarity protection reverse polarity protected Short-circuit protection pulsing Voltage drop less than or equal to 3.8 V Operating current 2 ... 200 mA Lowest operating current 2 mA Off-state current less than or equal to 0.6 mA Switching state indicator LED, yellow Approvals and certificates UL approval cULus Listed, General Purpose CSA approval cCSAus Listed, General Purpose Ambient conditions Ambient temperature -25 ... 70 °C (-13 ... 158 °F) Storage temperature -25 ... 85 °C (-13 ... 185 °F) Mechanical specifications Connection type Connector M12 x 1 , 4-pin Housing material PBT Sensing face PBT Degree of protection IP68