Serviceline Industrial Sensors
Serviceline Explosion Protection

Inductive sensor NBN3-F31K2M-E8-B13-S-3G-3D

  • Direct mounting on standard actuators
  • ATEX-approval for zone 2 and zone 22
  • Rugged metal base
  • Weatherproof housing for outdoor applications
  • Plug-in terminals

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  NBN3-F31K2M-E8-B13-S-3G-3D

General specifications
Switching function2 x normally open (NO)
Output typePNP
Rated operating distance2.5 mm
Installationfor non-flush mounting
Output polarityDC
Assured operating distance0 ... 1.5 mm
Output type4-wire
Nominal ratings
Operating voltage10 ... 30 V
Switching frequency0 ... 100 Hz
Hysteresistyp. 5 %
Reverse polarity protectionall connections
Short-circuit protectionpulsing
Voltage drop≤ 3 V
Operating current0 ... 100 mA
Off-state current0 ... 0.5 mA typ. 0.1 µA
No-load supply current≤ 25 mA
Functional safety related parameters
MTTFd490 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
StandardsEN 60947-5-2:2007
EN 60947-5-2/A1:2012
IEC 60947-5-2:2007
IEC 60947-5-2 AMD 1:2012
VDI / VDE 3845
Approvals and certificates
ATEX approval
Equipment protection level Gc (nA)PF15CERT3754X
Equipment protection level Dc (tc)PF15CERT3774X
Ambient conditions
Ambient temperature-40 ... 75 °C (-40 ... 167 °F) , restriction for use in hazardous area, see instruction manual
Storage temperature-40 ... 85 °C (-40 ... 185 °F)
Mechanical specifications
Connection typescrew terminals
Connection (system side)screw terminals , M20 x 1.5 cable gland , usable thread length 13.5 mm , screw-in depth max. 13.5 mm
ground connection with earthing screw only for wire cross-section 4 mm2, use solid wire or stranded wire with wire end ferrule
Connection (valve side)screw terminal ,
Cable gland M20 x 1.5
Housing materialrugged polycarbonate (PC) + GF 10% , optimised for outdoor use
Housing basepowder coated aluminum
Degree of protectionIP67 ; additional degree of protection IP66/IP69 with BT65-F31K2-RG-EN-01 and SH-F31K2-B13
Terminal assembly
Connection typeFor connection of copper wires with 7 mm dismantle length
Tightening torque 0.5 ... 0.6 Nm
TypeScrew terminal block, pluggable
Terminal capacityConductor cross-section 0,25 ... 2,5 mm2 , flexible/rigid
For Multiple-wire connection: two wires of equal cross-section per 0.25 ... 1 mm2
Tightening torque, fastening screws2 Nm
Tightening torque, housing screws1.5 Nm
Tightening torque, earthing screw1.5 Nm
Tightening torque, cable glandM20 x 1.5 ; max. 11 Nm
Tightening torque, stopping plug2 Nm
General information
Use in the hazardous areasee instruction manuals

Documents: NBN3-F31K2M-E8-B13-S-3G-3D

Instruction manualsLanguageFile TypeFile Size
ИнструкцииBULPDF162 KB
Návod k poużitíCZEPDF155 KB
Instruktions manualDANPDF153 KB
Instruction manualENGPDF155 KB
Instruction manualENGPDF63 KB
KasutusjuhendESTPDF149 KB
KäyttöohjeFINPDF149 KB
Manuel d'instructionsFRAPDF65 KB
Manuel d'instructionsFRAPDF158 KB
BetriebsanleitungGERPDF155 KB
BetriebsanleitungGERPDF64 KB
Οδηγίες χρήσηςGREPDF164 KB
HandleidingHOLPDF153 KB
Instruction manual / BetriebsanleitungHRVPDF153 KB
Használati útmutatóHUNPDF156 KB
Manuale di istruzioniITAPDF60 KB
Manuale di istruzioniITAPDF154 KB
Lietošanas pamācībaLAVPDF152 KB
Instrukciju vadovasLITPDF155 KB
Instrukcja obsługiPOLPDF157 KB
Manual de instruçõesPORPDF156 KB
Manual de utilizareRONPDF156 KB
Návod na poużitieSLKPDF155 KB
Navodila za uporaboSLVPDF153 KB
Manual de instruccionesSPAPDF216 KB
Manual de instruccionesSPAPDF64 KB
ManualSWEPDF151 KB
Application report - Salty Surroundings, Powerful SensorENGPDF1043 KB
Applikationsbericht - Salzige Umgebung, starker SensorGERPDF1050 KB

CAD+CAE: NBN3-F31K2M-E8-B13-S-3G-3D

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
CAD Portal / CAD PortalLINK---

Approvals+Certificates: NBN3-F31K2M-E8-B13-S-3G-3D

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-2587BPDF249 KB
Europe Pepperl+Fuchs ATEX Category 3 D CertificatePF15CERT3774XPDF1001 KB
Europe Pepperl+Fuchs ATEX Category 3 G CertificatePF15CERT3754XPDF1015 KB

Associated Products: NBN3-F31K2M-E8-B13-S-3G-3D

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