General specifications Switching element function DC NC Rated operating distance 25 mm Installation non-flush Output polarity DC Assured operating distance 0 ... 20 mm Reduction factor r Al 0.4 Reduction factor r Cu 0.4 Reduction factor r 304 0.7 Reduction factor r Brass 0.5 Nominal ratings Operating voltage 3.5 ... 30 V Switching frequency 500 Hz Reverse polarity protection reverse polarity tolerant Short-circuit protection pulsing Voltage drop less than or equal to 3.5 V Temperature drift ± 15% Operating current 2 ... 100 mA Off-state current typ. 0.8 mA Switching state indicator LED, yellow Approvals and certificates UL approval cULus Listed, General Purpose CSA approval cCSAus Listed, General Purpose CCC approval CCC approval / marking not required for products rated less than or equal to 36 V 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 brass, nickel-plated Sensing face PBT Housing diameter 30 mm Degree of protection IP67