NJ6-22-SN

General specifications Switching element function NAMUR, NC Rated operating distance 6 mm Installation flush Output polarity Safety Function Assured operating distance 0 ... 4.86 mm Reduction factor r Al 0.4 Reduction factor r Cu 0.3 Reduction factor r 304 0.85 Safety Integrity Level (SIL) up to SIL3 acc. to IEC 61508 Danger! In safety-related applications the sensor must be operated with a qualified fail safe interface from Pepperl+Fuchs, such as KFD2-SH-EX1. Consider the exida Functional Safety Assessment document which is available on www.PEPPERL+FUCHS.com as an integral part of this product's documentation. Nominal ratings Nominal voltage 8 V DC Operating voltage 5 ... 25 V Switching frequency 0 ... 2000 Hz Suitable for 2:1 technology yes , with reverse polarity protection diode Current consumption Measuring plate not detected greater or equal 3 mA Measuring plate detected less than or equal to 1 mA Functional safety related parameters MTTF d 9191 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 FM approval Control drawing 116-0165F 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 -40 ... 100 °C (-40 ... 212 °F) Mechanical specifications Connection type cable silicone , 2 m Core cross-section 0.75 mm 2 Housing material PBT Sensing face PBT Housing diameter 22 mm Degree of protection IP68 General information Use in the hazardous area see instruction manuals Category 1G- 2G- 1D