General specifications Switching element function PNP NO Rated operating distance 75 mm Installation non-flush Output polarity DC Assured operating distance 0 ... 55 mm Reduction factor r Al 1 Reduction factor r Cu 1 Reduction factor r 304 1 Reduction factor r St37 1 Nominal ratings Operating voltage 10 ... 30 V DC Switching frequency 0 ... 1 Hz Hysteresis typ. 3 % Reverse polarity protection reverse polarity protected Short-circuit protection pulsing Voltage drop less than or equal to 3 V Rated insulation voltage 50 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 944 a Mission Time (T M ) 20 a Diagnostic Coverage (DC) 0 % Approvals and certificates Protection class II Rated insulation voltage 60 V Design-impulse-voltage withstand 800 V 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 0 ... 50 °C (32 ... 122 °F) (± 10 % changing operating distance) -25 ... 70 °C (-13 ... 158 °F) (± 20 % changing operating distance) Mechanical specifications Connection type Connector M12 x 1 , 4-pin Housing material PBT/metal Sensing face PBT, PTFE coated Degree of protection IP68