General specifications Switching element function NPN NC Rated operating distance 4 mm Installation flush Output polarity DC Assured operating distance 0 ... 3.24 mm Reduction factor r Al 0.45 Reduction factor r Cu 0.35 Reduction factor r 304 0.7 Nominal ratings Operating voltage 10 ... 60 V Switching frequency 0 ... 800 Hz Hysteresis typ. 5 % Reverse polarity protection reverse polarity protected Short-circuit protection pulsing Voltage drop less than or equal to 2.5 V Rated insulation voltage 60 V Operating current 0 ... 200 mA Off-state current 0 ... 0.5 mA typ. 0.1 mA No-load supply current less than or equal to 15 mA Switching state indicator LED, yellow Functional safety related parameters MTTF d 1530 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 Certified by China Compulsory Certification (CCC) e1 Type approval 2006/28/EG Ambient conditions Ambient temperature -40 ... 85 °C (-40 ... 185 °F) Mechanical specifications Connection type cable PUR , 2 m Core cross-section 0.75 mm 2 Housing material brass, nickel-plated Sensing face PBT Housing diameter 12 mm Degree of protection IP69K Mass 120 g