Pepperl Fuchs NCN3-F31K-N4

Inductive sensor. Extended temperature range, Valve position detection, Suitable for 2:1 technology, Switching function: 2 x normally closed (NC), Output type: NAMUR, Installation: flush mountable, Output type: 2-wire, Construction type: Dual sensor, Series: Dual sensor, Suitable for 2:1 technology, Safety Integrity Level (SIL): SIL 2, Type of voltage: DC, Equipment protection level Ga: IECEx TUN 17.0021X, Equipment protection level Gb: IECEx TUN 17.0021X, Equipment protection level Da: IECEx TUN 17.0021X. Switching function: 2 x normally closed (NC). Output type: NAMUR. Rated operating distance: 3 mm. Installation: flush mountable. Assured operating distance: 0 … 2.4 mm. Actual operating distance: 2.7 … 3.3 mm typ.. Actuating element: Stainless steel 1.4305 / AISI 303 8.5 mm x 8.5 mm x 0.5 mm. Reduction factor rAl: 0.5. Reduction factor rCu: 0.4. Reduction factor r304: 1. Reduction factor rSt37: 1.3. Reduction factor rBrass: 0.6. Output type: 2-wire. Nominal voltage: 8.2 V (Ri approx. 1 kΩ). Switching frequency: 0 … 3 kHz. Hysteresis: typ. 5 %. Reverse polarity protection: reverse polarity protected. Short-circuit protection: yes. Suitable for 2:1 technology: yes , Reverse polarity protection diode not required. Current consumption: . Measuring plate not detected≥ 3 mAMeasuring plate detected≤ 1 mA: . Measuring plate not detected: ≥ 3 mA. Measuring plate detected: ≤ 1 mA. Time delay before availability: ≤ 1.1 ms. Switching state indicator: LED, yellow. Safety Integrity Level (SIL): SIL 2. MTTFd: 1470 a. Mission Time (TM): 20 a. Diagnostic Coverage (DC): 0 %. Standard conformity: . NAMUREN 60947-5-6:2000 IEC 60947-5-6:1999Electromagnetic compatibilityNE 21:2007StandardsEN IEC 60947-5-2: . NAMUR: EN 60947-5-6:2000 IEC 60947-5-6:1999. Electromagnetic compatibility: NE 21:2007. Standards: EN IEC 60947-5-2. IECEx approval: . Equipment protection level GaIECEx TUN 17.0021XEquipment protection level GbIECEx TUN 17.0021XEquipment protection level DaIECEx TUN 17.0021XEquipment protection level MbIECEx TUN 17.0021X: . Equipment protection level Ga: IECEx TUN 17.0021X. Equipment protection level Gb: IECEx TUN 17.0021X. Equipment protection level Da: IECEx TUN 17.0021X. Equipment protection level Mb: IECEx TUN 17.0021X. ATEX approval: . Equipment protection level GaTÜV 99 ATEX 1479 XEquipment protection level GbTÜV 99 ATEX 1479 XEquipment protection level DaTÜV 99 ATEX 1479 X: . Equipment protection level Ga: TÜV 99 ATEX 1479 X. Equipment protection level Gb: TÜV 99 ATEX 1479 X. Equipment protection level Da: TÜV 99 ATEX 1479 X. UL approval: cULus Listed Load Type: General Purpose Circuitry: Class 2 Power Source Enclosure Type Rating: Type 1 Supply/Switching Voltage: 8.2 V DC. Ordinary LocationE87056Hazardous LocationE501628Control drawing116-0456: . Ordinary Location: E87056. Hazardous Location: E501628. Control drawing: 116-0456. CCC approval: . Hazardous Location2020322315002262: . Hazardous Location: 2020322315002262. NEPSI approval: . NEPSI certificateGYJ19.1410X: . NEPSI certificate: GYJ19.1410X. Ambient temperature: -25 … 100 °C (-13 … 212 °F). Storage temperature: -40 … 100 °C (-40 … 212 °F). Connection (system side): Cage tension spring terminals Stripped length 7 mm M20 x 1.5 cable gland usable thread length 11.5 mm screw-in depth max. 11.5 mm. Core cross section (system side): Flexible: 0.2 … 1.5 mm2rigid: 0.2 … 2.5 mm2. Housing material: PBT. Sensing face: PBT. Degree of protection: IP67. Tightening torque, housing screws: 1 Nm. Tightening torque, cable gland: M20 x 1.5 ; max. 7 Nm. Dimensions: . Height35.5 mmWidth65 mmLength77.5 mm: . Height: 35.5 mm. Width: 65 mm. Length: 77.5 mm. Use in the hazardous area: see instruction manuals