Serviceline Industrial Sensors
Serviceline Explosion Protection

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 approvalCCC approval / marking not required for products rated ≤36 V
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
General information
Use in the hazardous areasee instruction manuals

Documents: NCN3-F31-N4-K

Instruction manualsLanguageFile TypeFile Size
ИнструкцииBULPDF181 KB
Návod k poużitíCZEPDF173 KB
Instruktions manualDANPDF171 KB
Instruction manualENGPDF172 KB
KasutusjuhendESTPDF165 KB
KäyttöohjeFINPDF165 KB
Manuel d'instructionsFRAPDF174 KB
BetriebsanleitungGERPDF172 KB
Οδηγίες χρήσηςGREPDF183 KB
HandleidingHOLPDF172 KB
Instruction manual / BetriebsanleitungHRVPDF170 KB
Használati útmutatóHUNPDF175 KB
Manuale di istruzioniITAPDF173 KB
Lietošanas pamācībaLAVPDF171 KB
Instrukciju vadovasLITPDF172 KB
Instrukcja obsługiPOLPDF174 KB
Manual de instruçõesPORPDF174 KB
Manual de utilizareRONPDF175 KB
Návod na poużitieSLKPDF173 KB
Navodila za uporaboSLVPDF170 KB
Manual de instruccionesSPAPDF236 KB
ManualSWEPDF169 KB

Approvals+Certificates: NCN3-F31-N4-K

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-1163BPDF248 KB
Certificates
Canada USA CSA Ordinary Location1007121PDF99 KB
Canada USA UL Hazardous LocationE501628:1:6PDF573 KB
Canada USA UL Ordinary Location20190220-E87056PDF403 KB
EU Pepperl+Fuchs Certificate Ex ic ATEX Category 3 GPF13CERT2895XPDF123 KB
EU TUV Nord ATEX ia 2G, 1G, 1D s. certificateTÜV 99 ATEX 1479 XPDF5439 KB
Russia NANIO "CCVE"TC RU C-DE.AA87.B.00394PDF3971 KB
Worldwide Pepperl+Fuchs Functional Safety CertificatePF12CERT2382EPDF1649 KB
Worldwide TUV Nord IECEx iaIECEx TUN 17.0021XLINK---
Control drawings
Control drawing UL / Control drawing UL   PDF378 KB

Associated Products: NCN3-F31-N4-K

Matching System Components

fa

fa
Accessories

fa
fa
fa
fa
VariKont with Active Shielding Technology

The VariKont inductive sensors with Active Shielding Technology ensure high switching distances, no matter the installation situation and the surrounding material. Benefit from easier equipment design and reduced costs!

Inductive Safety Sensors SIL 2 PL d

As the SIL 2/PL d inductive safety sensors have no dead band, data transfer can occur with no minimum distance between sensor and target. Discover the optimized portfolio for demanding environments.