Serviceline Industrial Sensors
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Inductive sensor NCN3-F31-N4-K

NCN3-F31-N4-K
  • Direct mounting on standard actuators
  • Fixed setting
  • EC-Type Examination Certificate TÜV99 ATEX 1479X
  • Usable up to SIL 2 acc. to IEC 61508


NAMUR sensors must be operated with approved switch amplifiers. Please find suitable devices below:

Please 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.

Download the complete datasheet as a PDF:


Datasheet excerpt: Technical data of  NCN3-F31-N4-K

General specifications
Switching function2 x normally closed (NC)
Output typeNAMUR
Rated operating distance3 mm
Installationflush mountable
Assured operating distance0 ... 2.4 mm
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 0.5
Reduction factor rCu 0.4
Reduction factor r304 1
Reduction factor rSt37 1.3
Reduction factor rBrass 0.6
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 detected≥ 3 mA
Measuring plate detected≤ 1 mA
Time delay before availability≤ 1.1 ms
Switching state indicatorLED, yellow
Functional safety related parameters
Safety Integrity Level (SIL)SIL 2
MTTFd1470 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
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 TUN 17.0021X
Equipment protection level GbIECEx TUN 17.0021X
Equipment protection level DaIECEx TUN 17.0021X
Equipment protection level MbIECEx TUN 17.0021X
ATEX approval
Equipment protection level GaTÜV 99 ATEX 1479 X
Equipment protection level GbTÜV 99 ATEX 1479 X
Equipment protection level Gc (ic)PF13CERT2895 X
Equipment protection level DaTÜV 99 ATEX 1479 X
EAC conformityTR CU 012/2011
UL approvalcULus Listed, General Purpose
Ordinary LocationE87056
Hazardous LocationE501628
Control drawing116-0456
CSA approvalcCSAus Listed, General Purpose
CCC approval
Hazardous Location2020322315002262
NEPSI approval
NEPSI certificateGYJ19.1410X
Ambient conditions
Ambient temperature-25 ... 100 °C (-13 ... 212 °F)
Note:
Under the same product name but with a different part no., this product has a predecessor with a restricted temperature range (up to +70 °C).
The temperature range specified here (up to +100°C) only applies to sensors with part no. 2239**.
Storage temperature-40 ... 100 °C (-40 ... 212 °F)
Mechanical specifications
Connection (system side)PVC cable , 5 m
Core cross section (system side)0.75 mm2
Housing materialPBT
Sensing facePBT
Degree of protectionIP66 / IP67
Cable
Cable diameter6.8 mm ± 0.2 mm
Bending radius> 10 x cable diameter
Dimensions
Height33.5 mm
Width65 mm
Length36 mm
General information
Use in the hazardous areasee instruction manuals

Classifications

SystemClasscode
ECLASS 13.027273901
ECLASS 12.027273901
ECLASS 11.027220501
ECLASS 10.0.127220501
ECLASS 9.027220501
ECLASS 8.027220501
ECLASS 5.127220501
ETIM 9.0EC002714
ETIM 8.0EC002714
ETIM 7.0EC002714
ETIM 6.0EC002714
ETIM 5.0EC002714
UNSPSC 12.139121550

Details: NCN3-F31-N4-K

Product Documentation: NCN3-F31-N4-K

Language Selection:
Safety and Security DocumentationLanguageFile TypeFile Size
Instruction manualENGPDF188 KB

Design / Simulation: NCN3-F31-N4-K

Language Selection:
CADLanguageFile TypeFile Size
CAD 3-D / CAD 3-DALLSTP264 KB

Approvals: NCN3-F31-N4-K

Language Selection:
CertificatesCertificate No.LanguageFile TypeFile Size
Canada USA CSA Ordinary Location1007121ALLPDF99 KB
Canada USA UL Ordinary LocationUL-US-2140224-1 / UL-CA-2133715-1ALLPDF491 KB
China NEPSIGYJ19.1410XALLPDF2028 KB
China SITIIAS CCC Ex Certificate2020322315002262 (Trutnov)ALLPDF2855 KB
EU Pepperl+Fuchs Certificate Ex ic ATEX Category 3 GPF13CERT2895XALLPDF123 KB
EU TUV Nord ATEX ia 2G, 1G, 1D s. certificateTÜV 99 ATEX 1479 XALLPDF5439 KB
Worldwide Pepperl+Fuchs Functional Safety CertificatePF12CERT2382FALLPDF1448 KB
Worldwide TUV Nord IECEx iaIECEx TUN 17.0021XALLLINK---
Control Drawings
Control drawing UL / Control drawing UL   ALLPDF378 KB
Declaration of Conformity
EU Declaration of Conformity (P+F) / EU-Konformitäterklärung (P+F)DOC-1163BALLPDF248 KB

Associated Products: NCN3-F31-N4-K

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