General specifications Switching element function PNP NO Rated operating distance 40 mm Installation non-flush Output polarity DC Assured operating distance 0 ... 32.4 mm Reduction factor r Al 0.36 Reduction factor r Cu 0.32 Reduction factor r 304 0.69 Nominal ratings Installation conditions A in aluminum: 25 mm in steel 1.0037 (St37): 35 mm in brass 25 mm in stainless steel 20 mm B 40 mm C 120 mm F 150 mm Operating voltage 10 ... 30 V Switching frequency 0 ... 100 Hz Hysteresis typ. 5% Reverse polarity protection reverse polarity protected Short-circuit protection pulsing Voltage drop less than or equal to 2 V Operating current 0 ... 200 mA Off-state current 0 ... 0.1 mA typ. 0.1 mA at 25 °C No-load supply current less than or equal to 10 mA Switching state indicator LED, yellow Functional safety related parameters MTTF d 211 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 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