Inductive sensor NCN3-F31K2M-N4-B23-S



'General specifications', 'Switching function2 x normally closed (NC)', 'Output typeNAMUR', 'Rated operating distance3 mm', 'Installationflush mountable', 'Assured operating distance0 ... 2.4 mm For assured operating distance sar see Manual Functional Safety.', 'Actual operating distance2.7 ... 3.3 mm typ.', 'Actuating elementStainless steel 1.4305 / AISI 303 8.5 mm x 8.5 mm x 0.5 mm', 'Reduction factor rAl 0.4', 'Reduction factor rCu 0.4', 'Reduction factor r304 0.7', 'Reduction factor rSt37 1', 'Reduction factor rBrass 0.5', 'Output type2-wire', 'Nominal ratings', 'Nominal voltage8.2 V (Ri approx. 1 kΩ)', 'Switching frequency0 ... 3 kHz', 'Hysteresistyp. 5 %', 'Reverse polarity protectionreverse polarity protected', 'Short-circuit protectionyes', 'Suitable for 2:1 technologyyes , Reverse polarity protection diode not required', 'Current consumption', 'Measuring plate not detectedâ‰?3 mA', 'Measuring plate detectedâ‰?1 mA', 'Time delay before availabilityâ‰?1 ms', 'Switching state indicatorLED, yellow', 'Valve status indicatorLED, yellow', 'Functional safety related parameters', 'Safety Integrity Level (SIL)SIL 2', 'MTTFd1730 a', 'Mission Time (TM)20 a', 'Diagnostic Coverage (DC)0 %', 'Valve circuit', 'Voltagemax. 32 V DC', 'Currentmax. 240 mA', 'Short-circuit protectionno', 'Reverse polarity protectionyes, with reversed output LED is out of function, therfore more power for solenoid valve', 'Compliance with standards and directives', 'Standard conformity', 'NAMUREN 60947-5-6:2000 IEC 60947-5-6:1999', 'Electromagnetic compatibilityNE 21:2007', '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 TUR 17.0055X', 'Equipment protection level GbIECEx TUR 17.0055X', 'Equipment protection level DaIECEx TUR 17.0055X', 'ATEX approval', 'Equipment protection level GaTÜV 17 ATEX 8125 X', 'Equipment protection level GbTÜV 17 ATEX 8125 X', 'Equipment protection level Gc (ic)PF13CERT2895 X', 'Equipment protection level DaTÜV 17 ATEX 8125 X', 'UL approvalcULus Listed, General Purpose, Class 2 Power Source', 'Ordinary LocationE87056', 'Hazardous LocationE501628', 'Control drawing116-0455', 'CCC approval', 'Hazardous Location2020322315002305', 'NEPSI approval', 'NEPSI certificateGYJ18.1172X', 'Ambient conditions', 'Ambient temperature-40 ... 100 °C (-40 ... 212 °F)', 'Storage temperature-40 ... 100 °C (-40 ... 212 °F)', 'Mechanical specifications', 'Connection typescrew terminals', 'Connection (system side)Screw terminals, tightening torque min. 0.5 Nm Stripped length 7 mm , 1/2' NPT cable gland , usable thread length 13.5 mm , screw-in depth max. 13.5 mm', 'Core cross-section (system side)rigid: 0.14 ... 2.5 mm2 flexible: 0.14 ... 1.5 mm2 flexible with core-end sleeve: 0.25 ... 1.5 mm2', 'Connection (valve side)like connection (system side)', 'Core cross-section (valve side)like core cross section (system side)', 'Housing materialPC (glass-fiber-reinforced Makrolon)', 'Housing basepowder coated aluminum', 'Degree of protectionIP66 / IP68 / IP69', 'Tightening torque, housing screwsâ‰?2 Nm', 'Tightening torque, cable glandRefer to NEC (National Electrical Code), hand-tight then wrench tightened (max. 3 turns)', 'NoteLED switch-off', 'General information', 'Use in the hazardous areasee instruction manuals'


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