Serviceline Industrial Sensors
Serviceline Explosion Protection

Inductive sensor NCN3-F31K2-N4-B13-S

NCN3-F31K2-N4-B13-S
  • 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)


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, also apply to Pepperl+Fuchs AG.

Download the complete datasheet as a PDF:


Datasheet excerpt: Technical data of  NCN3-F31K2-N4-B13-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 V
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 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
UL approvalcULus Listed, General Purpose, Class 2 Power Source
CCC approvalCCC approval / marking not required for products rated ≤36 V
Ambient conditions
Ambient temperature-40 ... 100 °C (-40 ... 212 °F)
Storage temperature-40 ... 100 °C (-40 ... 212 °F)
Mechanical specifications
Connection (system side)Screw terminals, tightening torque min. 0.5 Nm
Stripped length 7 mm , M20 x 1.5
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, housing screws≤ 2 Nm
Tightening torque, cable glandM20 x 1.5 ; max. 4 Nm
Tightening torque, stopping plug1 Nm
NoteLED switch-off
Data for application in connection with hazardous areas
Equipment protection levelGa , Gb , Gc (ic) , Mb
Equipment protection level Ga
Type of protectionintrinsic safety
CE marking[*PD-Z02585A*]
Certificates
Appropriate typeNCN3-F31K2...-N4...
ATEX certificateTÜV 17 ATEX 8125 X
ATEX markingEx-Hexagon II 1G Ex ia IIC T6...T1 Ga
StandardsEN 60079-0:2012+A11:2013 , EN 60079-11:2012
IECEx certificateIECEx TUR 17.0055X
IECEx markingEx ia IIC T6...T1 Ga
StandardsIEC 60079-0:2011 , IEC 60079-11:2011
Effective internal capacitancemax. 100 nF
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Effective internal inductancemax. 100 µH
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Maximum permissible ambient temperatureAlso observe the maximum permissible ambient temperature stated in the general technical data.
Keep to the lower of the two values.
for ATEXat Ui = 15 V , Ii = 25 mA , Pi = 34 mW ,
T6 : 55 °C (131 °F)
T5 : 65 °C (149 °F)
T4 : 95 °C (203 °F)
T3 : 95 °C (203 °F)
T2 : 95 °C (203 °F)
T1 : 95 °C (203 °F)
at Ui = 15 V , Ii = 25 mA , Pi = 64 mW ,
T6 : 50 °C (122 °F)
T5 : 65 °C (149 °F)
T4 : 90 °C (194 °F)
T3 : 90 °C (194 °F)
T2 : 90 °C (194 °F)
T1 : 90 °C (194 °F)
at Ui = 15 V , Ii = 52 mA , Pi = 169 mW ,
T6 : 45 °C (113 °F)
T5 : 55 °C (131 °F)
T4 : 75 °C (167 °F)
T3 : 75 °C (167 °F)
T2 : 75 °C (167 °F)
T1 : 75 °C (167 °F)
for IECExat Ui = 15 V , Ii = 25 mA , Pi = 34 mW ,
T6 : 70 °C (158 °F)
T5 : 85 °C (185 °F)
T4 : 100 °C (212 °F)
T3 : 100 °C (212 °F)
T2 : 100 °C (212 °F)
T1 : 100 °C (212 °F)
at Ui = 15 V , Ii = 25 mA , Pi = 64 mW ,
T6 : 70 °C (158 °F)
T5 : 85 °C (185 °F)
T4 : 100 °C (212 °F)
T3 : 100 °C (212 °F)
T2 : 100 °C (212 °F)
T1 : 100 °C (212 °F)
at Ui = 15 V , Ii = 52 mA , Pi = 169 mW ,
T6 : 60 °C (140 °F)
T5 : 75 °C (167 °F)
T4 : 75 °C (167 °F)
T3 : 75 °C (167 °F)
T2 : 75 °C (167 °F)
T1 : 75 °C (167 °F)
Maximum values of the valve circuitThe value applies to each valve circuit.
A cable length of 10 m is considered.
Voltagemax. 32 V
Currentmax. 240 mA
Internal capacitancemax. 10 nF
Internal inductancemax. 20 µH
Equipment protection level Gb
Type of protectionintrinsic safety
CE marking[*PD-Z02585A*]
Certificates
Appropriate typeNCN3-F31K2...-N4...
ATEX certificateTÜV 17 ATEX 8125 X
ATEX markingEx-Hexagon II 1G Ex ia IIC T6…T1 Ga
StandardsEN 60079-0:2012+A11:2013 , EN 60079-11:2012
IECEx certificateIECEx TUR 17.0055X
IECEx markingEx ia IIC T6...T1 Ga
StandardsIEC 60079-0:2011 , IEC 60079-11:2011
Effective internal capacitancemax. 100 nF
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Effective internal inductancemax. 100 µH
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Maximum permissible ambient temperatureAlso observe the maximum permissible ambient temperature stated in the general technical data.
Keep to the lower of the two values.
at Ui = 15 V , Ii = 25 mA , Pi = 34 mW ,
T6 : 70 °C (158 °F)
T5 : 85 °C (185 °F)
T4 : 100 °C (212 °F)
T3 : 100 °C (212 °F)
T2 : 100 °C (212 °F)
T1 : 100 °C (212 °F)
at Ui = 15 V , Ii = 25 mA , Pi = 64 mW ,
T6 : 70 °C (158 °F)
T5 : 85 °C (185 °F)
T4 : 100 °C (212 °F)
T3 : 100 °C (212 °F)
T2 : 100 °C (212 °F)
T1 : 100 °C (212 °F)
at Ui = 15 V , Ii = 52 mA , Pi = 169 mW ,
T6 : 60 °C (140 °F)
T5 : 75 °C (167 °F)
T4 : 75 °C (167 °F)
T3 : 75 °C (167 °F)
T2 : 75 °C (167 °F)
T1 : 75 °C (167 °F)
Maximum values of the valve circuitThe value applies to each valve circuit.
A cable length of 10 m is considered.
Voltagemax. 32 V
Currentmax. 240 mA
Internal capacitancemax. 10 nF
Internal inductancemax. 20 µH
Equipment protection level Gc (ic)
Type of protectionintrinsic safety
CE marking[*PD-Z02586A*]
Certificates
ATEX certificatePF 13 CERT 2895 X
ATEX markingEx-Hexagon II 3G Ex ic IIC T6…T1 Gc
StandardsEN 60079-0:2012+A11:2013 , EN 60079-11:2012
Effective internal capacitancemax. 100 nF
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Effective internal inductancemax. 100 µH
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Maximum permissible ambient temperatureAlso observe the maximum permissible ambient temperature stated in the general technical data.
Keep to the lower of the two values.
at Ui = 20 V , Ii = 25 mA , Pi = 34 mW ,
T6 : 70 °C (158 °F)
T5 : 85 °C (185 °F)
T4 : 100 °C (212 °F)
T3 : 100 °C (212 °F)
T2 : 100 °C (212 °F)
T1 : 100 °C (212 °F)
at Ui = 20 V , Ii = 25 mA , Pi = 64 mW ,
T6 : 70 °C (158 °F)
T5 : 85 °C (185 °F)
T4 : 100 °C (212 °F)
T3 : 100 °C (212 °F)
T2 : 100 °C (212 °F)
T1 : 100 °C (212 °F)
at Ui = 20 V , Ii = 52 mA , Pi = 169 mW ,
T6 : 60 °C (140 °F)
T5 : 75 °C (167 °F)
T4 : 75 °C (167 °F)
T3 : 75 °C (167 °F)
T2 : 75 °C (167 °F)
T1 : 75 °C (167 °F)
Maximum values of the valve circuitThe value applies to each valve circuit.
A cable length of 10 m is considered.
Voltagemax. 32 V
Currentmax. 240 mA
Internal capacitancemax. 10 nF
Internal inductancemax. 20 µH
Equipment protection level Mb
Type of protectionintrinsic safety
CE marking[*PD-Z02585A*]
Certificates
Appropriate typeNCN3-F31K2...-N4...
IECEx certificateIECEx TUR 17.0055X
IECEx markingEx ia I Mb
StandardsIEC 60079-0:2011 , IEC 60079-11:2011
Effective internal capacitancemax. 100 nF
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
Effective internal inductancemax. 100 µH
The value is applicable for one sensor circuit.
A cable length of 10 m is considered.
negligibly small
Maximum permissible ambient temperatureAlso observe the maximum permissible ambient temperature stated in the general technical data.
Keep to the lower of the two values.
at Ui = 15 V , Ii = 25 mA , Pi = 34 mW : 100 °C (212 °F)
at Ui = 15 V , Ii = 25 mA , Pi = 64 mW : 100 °C (212 °F)
at Ui = 15 V , Ii = 52 mA , Pi = 169 mW : 75 °C (167 °F)
Maximum values of the valve circuitThe value applies to each valve circuit.
A cable length of 10 m is considered.
Voltagemax. 32 V
Currentmax. 240 mA
Internal capacitancemax. 10 nF
Internal inductancemax. 20 µH
General information
Use in the hazardous areasee instruction manuals

Documents: NCN3-F31K2-N4-B13-S

ManualsLanguageFile TypeFile Size
Functional Safety ManualENGPDF1419 KB
Handbuch Funktionale SicherheitGERPDF1427 KB
Instruction manuals
ИнструкцииBULPDF144 KB
Návod k poużitíCZEPDF137 KB
Instruktions manualDANPDF135 KB
Instruction manualENGPDF141 KB
KasutusjuhendESTPDF131 KB
KäyttöohjeFINPDF132 KB
Manuel d'instructionsFRAPDF140 KB
BetriebsanleitungGERPDF142 KB
Οδηγίες χρήσηςGREPDF147 KB
HandleidingHOLPDF137 KB
Instruction manual / BetriebsanleitungHRVPDF135 KB
Használati útmutatóHUNPDF140 KB
Manuale di istruzioniITAPDF137 KB
Lietošanas pamācībaLAVPDF136 KB
Instrukciju vadovasLITPDF138 KB
Instrukcja obsługiPOLPDF139 KB
Manual de instruçõesPORPDF138 KB
Manual de utilizareRONPDF138 KB
Návod na poużitieSLKPDF137 KB
Navodila za uporaboSLVPDF135 KB
Manual de instruccionesSPAPDF138 KB
ManualSWEPDF134 KB

CAD+CAE: NCN3-F31K2-N4-B13-S

CADFile TypeFile Size
3-D model in IGS format / 3-D-Modell im IGS-FormatIGS15247 KB
3-D model in STP format / 3-D-Modell im STP-FormatSTP5954 KB

Approvals+Certificates: NCN3-F31K2-N4-B13-S

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-3894PDF290 KB
Certificates
Canada USA UL Ordinary Location20181115-E87056PDF343 KB
EU TUV Rheinland ATEX ia 2G, 1G, 1D s. certificateTÜV 17 ATEX 8125 XPDF4254 KB
Europe Pepperl+Fuchs Certificate ATEX Category 3PF13CERT2895XPDF1101 KB
Worldwide Pepperl+Fuchs Functional Safety AssessmentCERT-4847PDF356 KB
Worldwide TUV Rheinland IECEx iaIECEx TUR 17.0055XLINK---

Associated Products: NCN3-F31K2-N4-B13-S

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