General specifications Switching element function PNP NO contact Rated operating distance 50 mm Installation flush Output polarity DC Assured operating distance 0 ... 40.5 mm Reduction factor r Al 0.38 Reduction factor r Cu 0.35 Reduction factor r 304 0.83 Nominal ratings Operating voltage 10 ... 60 V DC Switching frequency 0 ... 80 Hz Hysteresis typ. 3 % Reverse polarity protection reverse polarity protected Voltage drop less than or equal to 3 V Operating current 0 ... 200 mA Off-state current 0 ... 0.5 mA No-load supply current less than or equal to 20 mA Operating voltage indicator LED, green Switching state indicator LED, yellow Functional safety related parameters MTTF d 960 a Mission Time (T M ) 20 a Diagnostic Coverage (DC) 0 % 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 PBT Sensing face PBT Degree of protection IP67 General information Use in the hazardous area see instruction manuals Category 3G- 3D