General specifications Switching element function Dual (NO) Rated operating distance 3 mm Installation flush mountable Output polarity DC Assured operating distance 0 ... 2.43 mm Reduction factor r Al 0.5 Reduction factor r Cu Reduction factor r 304 1 Reduction factor r St37 1.1 Nominal ratings Operating voltage 6 ... 60 V DC Switching frequency 0 ... 500 Hz Hysteresis typ. % Reverse polarity protection reverse polarity tolerant Short-circuit protection no Voltage drop less than or equal to 5 V Operating current 4 ... 100 mA Lowest operating current 4 mA Off-state current 0 ... 1 mA typ. 0.7 mA Switching state indicator LED, yellow Limit data Tightening torque, fastening screws 0.4 Nm 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) Mechanical specifications Connection type Connector M12 x 1 , 4-pin Housing material PBT Sensing face PBT Degree of protection IP67 Tightening torque, fastening screws M5 x 25 : 2.7 Nm Note Installation in housing