NCB20-L2-N0-V1

General specifications Switching element function NAMUR, NC Rated operating distance 20 mm Installation flush Output polarity DC Assured operating distance 0 ... 16.2 mm Reduction factor r Al 0.33 Reduction factor r Cu 0.31 Reduction factor r 304 0.74 Nominal ratings Nominal voltage 8.2 V (R i approx. 1 kOm) Switching frequency 0 ... 300 Hz Hysteresis typ. 5 % Reverse polarity protection reverse polarity protected Short-circuit protection yes Current consumption Measuring plate not detected greater or equal 2.2 mA Measuring plate detected less than or equal to 1 mA Switching state indicator LED, yellow Functional safety related parameters MTTF d 1660 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 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 -25 ... 100 °C (-13 ... 212 °F) Storage temperature -40 ... 100 °C (-40 ... 212 °F) Mechanical specifications Connection type Connector M12 x 1 , 4-pin Housing material PA Sensing face PA Housing diameter Degree of protection IP69K General information Use in the hazardous area see instruction manuals Category 1G- 2G- 3G- 3D