General specifications Switching element function NPN NO Rated operating distance 15 mm Installation flush Output polarity DC Assured operating distance 0 ... 12.15 mm Reduction factor r Al 0.45 Reduction factor r Cu 0.35 Reduction factor r 304 0.8 Reduction factor r Brass 0.5 Nominal ratings Operating voltage 10 ... 60 V DC Switching frequency 0 ... 30 Hz Hysteresis 2 ... 20 % ( typ. 10 % ) Reverse polarity protection reverse polarity protected Short-circuit protection pulsing Voltage drop less than or equal to 1.5 V Operating current 0 ... 200 mA Off-state current less than or equal to 10 mA No-load supply current less than or equal to 10 mA Switching state indicator LED, yellow Functional safety related parameters MTTF d 1259 a Mission Time (T M ) 20 a Diagnostic Coverage (DC) 0 % Approvals and certificates E1 Type approval 10R-04 Ambient conditions Ambient temperature -40 ... 85 °C (-40 ... 185 °F) Storage temperature -40 ... 85 °C (-40 ... 185 °F) Mechanical specifications Connection type cable PUR , 2 m Core cross-section 0.75 mm 2 Housing material anodized aluminum Sensing face PBT Housing diameter 30 mm Degree of protection IP67 / IP69K