General specifications Switching element function NAMUR, NC Rated operating distance 10 mm Installation flush Output polarity NAMUR Assured operating distance 0 ... 8.1 mm Reduction factor r Al 0.32 Reduction factor r Cu 0.32 Reduction factor r 304 0.72 Nominal ratings Nominal voltage 8 V Switching frequency 0 ... 650 Hz Hysteresis 1 ... 10 typ. 5 % Reverse polarity protection reverse polarity protected Short-circuit protection yes Suitable for 2:1 technology yes , Reverse polarity protection diode not required Current consumption Measuring plate not detected min. 3 mA Measuring plate detected less than or equal to 1 mA Switching state indicator LED, yellow Functional safety related parameters MTTF d 1870 a Mission Time (T M ) 20 a Diagnostic Coverage (DC) 0 % Compliance with standards and directives Standard conformity NAMUR EN 60947-5-6:2000 IEC 60947-5-6:1999 Approvals and certificates CCC approval CCC approval / marking not required for products rated less than or equal to 36 V Ambient conditions Ambient temperature -25 ... 80 °C (-13 ... 176 °F) Storage temperature -40 ... 80 °C (-40 ... 176 °F) Mechanical specifications Connection type cable PUR (halogen-free) , 5 m , screened , Oil resistant , Flame-retardant as per IEC 60332-1 Core cross-section 2x 0.5 mm 2 Housing material Stainless steel 1.4305 / AISI 303 Sensing face PBT Housing diameter 30 mm Degree of protection IP66 / IP67 Note The shield is not connected to the sensor. General information Use in the hazardous area see instruction manuals Category 1G- 2G- 3G- 1D