General specifications Switching element function DC NC Rated operating distance 4 mm Installation non-flush Output polarity DC Assured operating distance 0 ... 3.24 mm Reduction factor r Al 0.42 Reduction factor r Cu 0.4 Reduction factor r 304 0.75 Nominal ratings Operating voltage 5 ... 60 V Switching frequency 0 ... 800 Hz Hysteresis 1 ... 10 typ. 5 % Reverse polarity protection reverse polarity tolerant Short-circuit protection pulsing Voltage drop less than or equal to 5 V Operating current 2 ... 100 mA Lowest operating current 2 mA Off-state current 0 ... 0.5 mA typ. Switching state indicator Multihole-LED, yellow Approvals and certificates UL approval cULus Listed, General Purpose CSA approval cCSAus Listed, General Purpose CCC approval Certified by China Compulsory Certification (CCC) Ambient conditions Ambient temperature -25 ... 70 °C (-13 ... 158 °F) Mechanical specifications Connection type Connector M12 x 1 , 4-pin Housing material Stainless steel 1.4305 / AISI 303 Sensing face PBT Housing diameter 12 mm Degree of protection IP67