General specifications Switching element function PNP NO Rated operating distance 1.5 mm Installation flush Output polarity DC Assured operating distance 0 ... 1.215 mm Reduction factor r Al 0.3 Reduction factor r Cu 0.25 Reduction factor r 304 0.65 Nominal ratings Operating voltage 10 ... 30 V DC Switching frequency 0 ... 1800 Hz Hysteresis typ. 5 % Reverse polarity protection reverse polarity protected Short-circuit protection pulsing Voltage drop less than or equal to 3 V Operating current 0 ... 100 mA No-load supply current less than or equal to 20 mA Switching state indicator Multihole-LED, yellow Mag. Field strength, AC fields 100 mT Functional safety related parameters MTTF d 2240 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 Brass, PTFE coated Sensing face PPS- Ryton R4 Housing diameter 8 mm Degree of protection IP67