Pepperl+Fuchs Inductive sensor NJ4-12GK-SN

Manufacturer : Pepperl+Fuchs Inductive sensor NJ4-12GK-SN 4 mm non-flush Usable up to SIL 3 acc. to IEC 61508 ATEX approval Ex-i and Ex-nA/tc for zone 0-2 and zone 20-22 Degree of protection IP68 Switching function : Normally closed (NC) Output type : NAMUR with safety function Rated operating distance : 4 mm Installation : non-flush Assured operating distance : 0 ... 3.24 mm Reduction factor rAl : 0.4 Reduction factor rCu : 0.3 Reduction factor r304 : 0.85 Safety Integrity Level (SIL) : up to SIL3 acc. to IEC 61508Danger!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. Output type : 2-wire Nominal ratings Nominal voltage : 8.2 V Switching frequency : 0 ... 1500 Hz Current consumption Measuring plate not detected : ≥3 mA Measuring plate detected :≤1 mA Functional safety related parameters MTTFd : 10660 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 : 116-0165F UL approval : cULus Listed, General Purpose CCC approval : CCC approval / marking not required for products rated ≤36 V Ambient conditions Ambient temperature : -50 ... 100°C (-58 ... 212°F) Safety application: -40 ... 100??C Mechanical specifications Connection type : cable silicone , 2 m Core cross-section : 0.34 mm2 Housing material : Crastin (PBTB), black Sensing face : Crastin (PBTB), black Housing diameter : 12 mm Degree of protection : IP68 Cable Bending radius : > 10 x cable diameter Note : Security relevant only up to -40??C Equipment protection level Gc (nA) Certificate : PF 15CERT3754 X : Special conditions Protection against transients : Ensure transient protection is provided and that the maximum value of the transient protection (140% of 85 V) is not exceeded. Equipment protection level Dc (tc) : Instruction : Manual electrical apparatus for hazardous areas : Device category 3D : for use in hazardous areas with combustible dust Certificate : PF 15CERT3774 X CE marking : [*PD-Z02586A*] ATEX marking : II 3D Ex tc IIIC T80??C Dc The Ex-related marking can also be printed on the enclosed label. Standards : EN 60079-0:2012+A11:2013, EN 60079-31:2014 Protection by enclosure "tc" Some of the information in this instruction manual is more specific than the information provided in the datasheet. General : The corresponding datasheets, declarations of conformity, EC-type examination certificates, certifications, and control drawings, where applicable (see datasheets), form an integral part of this document. These documents can be found at www.pepperl-fuchs.com. The maximum surface temperature of the device was determined without a layer of dust on the apparatus. Some of the information in this instruction manual is more specific than the information provided in the datasheet. Installation, commissioning : Laws and/or regulations and standards governing the use or intended usage goal must be observed. The adhesive label provided must be affixed in the immediate vicinity of the sensor! The surface to which the label is applied must be clean, flat and free from grease! The affixed adhesive label must be readable and durable, taking account of the possibility of chemical corrosion! Maintenance : No changes can be made to apparatus, which are operated in hazardous areas. Repairs to these apparatus are not possible. : Special conditions Minimum series resistance RV : A minimum series resistance RV is to be provided between the power supply voltage and the proximity switch in accordance with the following list. This can also be assured by using a switch amplifier. Maximum operating voltage UBmax : The maximum permissible operating voltage UBmax must be restricted to the values given in the following list. Tolerances are not permitted. Maximum permissible ambient temperature TUmax : Values can be obtained from the following list, depending on the max. operating voltage Ub max and the minimum series resistance Rv. at UBmax=9 V, RV=562 Ω : 58°C (136.4°F) using an amplifier in accordance with EN60947-5-6 : 331 K Protection from mechanical danger : The sensor must not be exposed toANY FORMof mechanical danger. Protection from UV light : The sensor and the connection cable must be protected from damaging UV-radiation. This can be achieved when the sensor is used in internal areas. Protection of the connection cable : The connection cable must be prevented from being subjected to tension and torsional loading. Electrostatic charge : Do not attach the nameplate provided in areas where electrostatic charge can build up. General information Use in the hazardous area : see instruction manuals Category : 1G; 2G; 3G; 1D; 3D