General specifications Switching element function NPN NO Rated operating distance 22 mm Installation quasi flush Output polarity DC Assured operating distance 0 ... 17.8 mm Reduction factor r Al 0.25 Reduction factor r Cu 0.22 Reduction factor r 304 0.65 Nominal ratings Installation conditions A 6 mm B 37 mm C 66 mm F 80 mm Operating voltage 10 ... 30 V Switching frequency 0 ... 150 Hz Hysteresis less than or equal to 10 % Reverse polarity protection reverse polarity protected Short-circuit protection pulsing Voltage drop less than or equal to 5 V Operating current 0 ... 200 mA Off-state current less than or equal to 0.1 mA No-load supply current less than or equal to 10 mA Switching state indicator LED, yellow Functional safety related parameters MTTF d 213 a Mission Time (T M ) 20 a Diagnostic Coverage (DC) 0 % Approvals and certificates 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) Mechanical specifications Connection type Connector M12 x 1 , 4-pin Housing material chromium plated brass Sensing face PBT Housing diameter 30 mm Degree of protection IP67