Serviceline Industrial Sensors
Serviceline Explosion Protection

Inductive sensor NCN3-F31-N4-V16-K

NCN3-F31-N4-V16-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, also apply to Pepperl+Fuchs AG.

Download the complete datasheet as a PDF:


Datasheet excerpt: Technical data of  NCN3-F31-N4-V16-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 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≤ 1.1 ms
Switching state indicatorLED, yellow
Valve status indicatorLED, yellow
Functional safety related parameters
Safety Integrity Level (SIL)SIL 2
MTTFd1470 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
EAC conformityTR CU 012/2011
UL approvalcULus Listed, General Purpose
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)Connector plug Rd24 x 1/8 , 7-pin
Connection (valve side)PVC cable , 0.5 m
Core cross-section (valve side)0.75 mm2
Housing materialPBT
Sensing facePBT
Degree of protectionIP67
Cable
Cable diameter6 mm ± 0.2 mm
Bending radius> 10 x cable diameter
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-F31-N4...
ATEX certificateTÜV 99 ATEX 1479 X
ATEX markingEx-Hexagon II 1G Ex ia IIC T6...T1 Ga
StandardsEN 60079-0:2012+A11:2013 , EN 60079-11:2012
IECEx certificateIECEx TUN 17.0021X
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 : 70 °C (158 °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 : 55 °C (131 °F)
T5 : 70 °C (158 °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 = 52 mA , Pi = 169 mW ,
T6 : 50 °C (122 °F)
T5 : 60 °C (140 °F)
T4 : 90 °C (194 °F)
T3 : 90 °C (194 °F)
T2 : 90 °C (194 °F)
T1 : 90 °C (194 °F)
for IECExat Ui = 15 V , Ii = 25 mA , Pi = 34 mW ,
T6 : 75 °C (167 °F)
T5 : 90 °C (194 °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 : 75 °C (167 °F)
T5 : 90 °C (194 °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 : 65 °C (149 °F)
T5 : 80 °C (176 °F)
T4 : 90 °C (194 °F)
T3 : 90 °C (194 °F)
T2 : 90 °C (194 °F)
T1 : 90 °C (194 °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-F31-N4...
ATEX certificateTÜV 99 ATEX 1479 X
ATEX markingEx-Hexagon II 1G Ex ia IIC T6…T1 Ga
StandardsEN 60079-0:2012+A11:2013 , EN 60079-11:2012
IECEx certificateIECEx TUN 17.0021X
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 : 75 °C (167 °F)
T5 : 90 °C (194 °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 : 75 °C (167 °F)
T5 : 90 °C (194 °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 : 65 °C (149 °F)
T5 : 80 °C (176 °F)
T4 : 90 °C (194 °F)
T3 : 90 °C (194 °F)
T2 : 90 °C (194 °F)
T1 : 90 °C (194 °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 certificatePF13CERT2895 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 : 75 °C (167 °F)
T5 : 90 °C (194 °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 : 75 °C (167 °F)
T5 : 90 °C (194 °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 : 65 °C (149 °F)
T5 : 80 °C (176 °F)
T4 : 90 °C (194 °F)
T3 : 90 °C (194 °F)
T2 : 90 °C (194 °F)
T1 : 90 °C (194 °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-F31-N4...
IECEx certificateIECEx TUN 17.0021X
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.
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 : 90 °C (194 °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-F31-N4-V16-K

Instruction manualsLanguageFile TypeFile Size
Instruction manualENGPDF169 KB
BetriebsanleitungGERPDF168 KB

Approvals+Certificates: NCN3-F31-N4-V16-K

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-1168PDF290 KB
Certificates
Canada USA CSA Ordinary Location1007121PDF99 KB
Canada USA UL Ordinary Location20190220-E87056PDF403 KB
EU TUV Nord ATEX ia 2G, 1G, 1D s. certificateTÜV 99 ATEX 1479 XPDF4682 KB
Europe Pepperl+Fuchs Certificate ATEX Category 3PF13CERT2895XPDF495 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---

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