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  6. NCN3-F31K2-N4-B13-S

NCN3-F31K2-N4-B13-S Inductive sensor

Key Benefits at a Glance

  • Direct mounting on standard actuators
  • ATEX & IECEX certifications
  • Usable up to SIL 2 acc. to IEC 61508
  • Weatherproof housing for outdoor applications
  • LEDs for switching state of sensor and solenoid valve
  • Plug-in terminals
  • Temperature range
    -40 ... 100 °C (-40 ... 212 °F)

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Please contact us for exact delivery estimation.4 012,00 ZAR Net price—your individual price will be shown during checkout process.
Product photo: Inductive sensor NCN3-F31K2-N4-B13-S
Dimensions: Inductive sensor NCN3-F31K2-N4-B13-S
Product photo: Inductive sensor NCN3-F31K2-N4-B13-S
Dimensions: Inductive sensor NCN3-F31K2-N4-B13-S
Approval
Product Compliance: Europe – CE
Product Compliance: USA - cULus LISTED
Product Compliance: United Kingdom – UKCA
Approval
Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

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DatasheetClassificationProduct DocumentationDesign / SimulationApprovalsRelated Products

Technical data of NCN3-F31K2-N4-B13-S

Switching function2 x normally closed (NC)
Output typeNAMUR
Rated operating distancesn3 mm
Installationflush mountable
Assured operating distancesa0 ... 2.4 mm
For assured operating distance sar see Manual Functional Safety.
Actual operating distancesr2.7 ... 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 voltageUo8.2 V (Ri approx. 1 kΩ)
Switching frequencyf0 ... 3 kHz
HysteresisHtyp. 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 detected≥ 3 mA
Measuring plate detected≤ 1 mA
Time delay before availabilitytv≤ 1 ms
Switching state indicatorLED, yellow
Valve status indicatorLED, yellow
Safety Integrity Level (SIL)SIL 2
MTTFd1730 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
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
Standard conformity
NAMUREN 60947-5-6:2000
IEC 60947-5-6:1999
Electromagnetic compatibilityNE 21:2007
StandardsEN IEC 60947-5-2
IECEx approval
Equipment protection level GaIECEx TUR 17.0055X
Equipment protection level GbIECEx TUR 17.0055X
Equipment protection level MbIECEx 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
UL approvalcULus Listed, General Purpose, Class 2 Power Source
Ordinary LocationE87056
Hazardous LocationE501628
Control drawing116-0455
CCC approval
Hazardous Location2020322315002305
KCC approval
Hazardous Location23-AV4BO-0113X
Ambient temperature-40 ... 100 °C (-40 ... 212 °F)
Storage temperature-40 ... 100 °C (-40 ... 212 °F)
Connection typescrew terminals
Connection (system side)Screw terminals, tightening torque min. 0.5 Nm
Stripped length 7 mm , M20 x 1.5 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 materialrugged, translucent polycarbonate (PC) optimised for outdoor use
Housing basePC
Degree of protectionIP66 / IP68 / IP69
Tightening torque, fastening screws≤ 5 Nm
Tightening torque, housing screws1.5 Nm
Tightening torque, cable glandM20 x 1.5 ; max. 7 Nm
Tightening torque, stopping plug1 Nm
Dimensions
Height53 mm
Width100 mm
Length106 mm
NoteLED switch-off
Use in the hazardous areasee instruction manuals
General Notes

Related News and Applications

Read more on news and applications related to this product.

F31K2 Dual Inductive Sensor
Products and Solutions
2022/08/18

F31K2 Dual Inductive Sensor: The Highly Robust Solution for Valve Position Feedback

To reliably monitor the correct position of valves, the F31K2 dual inductive sensor series now encompasses a non-intrinsically safe variant with IECEx approval for worldwide use in Zone 2/22 hazardous areas, as well as a low-power variant.
More information

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