General specifications Switching function Normally closed (NC) Output type NAMUR Rated operating distance 1.5 mm Installation flush Assured operating distance 0 ... 1.215 mm Actual operating distance 1.35 ... 1.65 mm typ. Reduction factor rAl 0.3 Reduction factor rCu 0.2 Reduction factor r304 0.7 Nominal ratings Nominal voltage 8.2 V (Ri approx. 1 kΩ) Switching frequency 0 ... 2000 Hz Hysteresis 1 ... 10 typ. 3 % 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 ≤ 1 mA Switching state indicator LED, yellow Functional safety related parameters MTTFd 3590 a Mission Time (TM) 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 FM approval Control drawing 116-0165 UL approval cULus Listed, General Purpose CSA approval cCSAus Listed, General Purpose CCC approval CCC approval / marking not required for products rated ≤36 V Ambient conditions Ambient temperature -25 ... 100 °C (-13 ... 212 °F) Storage temperature -40 ... 100 °C (-40 ... 212 °F) Mechanical specifications Connection type cable PVC , 2 m Core cross-section 0.14 mm2 Housing material Stainless steel 1.4305 / AISI 303 Sensing face LCP Housing diameter 8 mm Degree of protection IP67 Cable Bending radius > 10 x cable diameter General information Use in the hazardous area see instruction manuals Category 1G; 2G; 3G; 1D