Inductive sensor NJ4-12GK-SN



'General specifications', 'Switching functionNormally closed (NC)', 'Output typeNAMUR with safety function', 'Rated operating distance4 mm', 'Installationnon-flush', 'Assured operating distance0 ... 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 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 as an integral part of this product's documentation.', 'Output type2-wire', 'Nominal ratings', 'Nominal voltage8.2 V (Ri approx. 1 kΩ)', 'Switching frequency0 ... 1500 Hz', 'Current consumption', 'Measuring plate not detectedâ‰?3 mA', 'Measuring plate detectedâ‰?1 mA', 'Functional safety related parameters', 'Safety Integrity Level (SIL)SIL 3', 'MTTFd10660 a', 'Mission Time (TM)20 a', 'Diagnostic Coverage (DC)0 %', 'Compliance with standards and directives', 'Standard conformity', 'NAMUREN 60947-5-6:2000 IEC 60947-5-6:1999', 'StandardsEN 60947-5-2:2007 EN 60947-5-2/A1:2012 IEC 60947-5-2:2007 IEC 60947-5-2 AMD 1:2012', 'Approvals and certificates', 'IECEx approval', 'Equipment protection level GaIECEx PTB 11.0092X', 'Equipment protection level GbIECEx PTB 11.0092X', 'Equipment protection level DaIECEx PTB 11.0092X', 'Equipment protection level MbIECEx PTB 11.0092X', 'ATEX approval', 'Equipment protection level GaPTB 00 ATEX 2049 X', 'Equipment protection level GbPTB 00 ATEX 2049 X', 'Equipment protection level Gc (ic)PF13CERT2895 X', 'Equipment protection level Gc (nA)PF15CERT3754X', 'Equipment protection level DaPTB 00 ATEX 2049 X', 'Equipment protection level Dc (tc)PF15CERT3774X', 'EAC conformityTRxa0CU 012/2011', 'FM approval', 'Control drawing116-0165', 'UL approvalcULus Listed, General Purpose', 'Ordinary LocationE87056', 'Hazardous LocationE501628', 'Control drawing116-0454', 'CCC approval', 'Hazardous Location2020322315002308', 'NEPSI approval', 'NEPSI certificateGYJ16.1392X', 'Ambient conditions', 'Ambient temperature-50 ... 100 °C (-58 ... 212 °F) Safety application: -40 ... 100°C', 'Mechanical specifications', 'Connection typecable silicone , 2 m', 'Core cross-section0.34 mm2', 'Housing materialCrastin (PBT), black', 'Sensing faceCrastin (PBT), black', 'Degree of protectionIP68', 'Cable', 'Cable diameter4.8 mm ± 0.2 mm', 'Bending radius> 10 x cable diameter', 'NoteSecurity relevant only up to -40°C', 'General information', 'Use in the hazardous areasee instruction manuals'


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