NJ3-18GK-S1N

General specifications Switching element function NAMUR, NO Rated operating distance 3 mm Installation flush in mild steel Output polarity Safety Function Assured operating distance 0 ... 2.4 mm Reduction factor r Al 1 Reduction factor r Cu 1 Reduction factor r 304 0 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 Switching frequency 0 ... 200 Hz Hysteresis typ. 0.1 % Suitable for 2:1 technology yes , Reverse polarity protection diode not required Current consumption Measuring plate not detected less than or equal to 1 mA Measuring plate detected greater or equal 3 mA Functional safety related parameters MTTF d 7660 a Mission Time (T M ) 20 a Diagnostic Coverage (DC) 0 % 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 -25 ... 100 °C (-13 ... 212 °F) Mechanical specifications Connection type cable silicone , 2 m Core cross-section 0.75 mm 2 Housing material Hostalen PPN, black Sensing face Hostalen PPN, black Housing diameter 18 mm Degree of protection IP68 Note only for non-ferrous metal General information Use in the hazardous area see instruction manuals Category 1G- 2G- 3G- 1D