Serviceline Industrial Sensors
Serviceline Explosion Protection

Inductive sensor NBN3-F31K2M-Z8L-B23-S

NBN3-F31K2M-Z8L-B23-S
  • Direct mounting on standard actuators
  • Compatible with all process control systems
  • Weatherproof housing for outdoor applications
  • Rugged metal base
  • Temperature range -40 ... 167 °F (-40°C to 75°C)
  • 2-wire DC sensor with minimum off-state current
  • LEDs for switching state of sensor and solenoid valve
  • 1/2" NPT conduit entrance
  • 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, also apply to Pepperl+Fuchs AG.

Download the complete datasheet as a PDF:


Datasheet excerpt: Technical data of  NBN3-F31K2M-Z8L-B23-S

General specifications
Switching function2 x normally open (NO)
Output typeTwo-wire with minimum off-state current
Rated operating distance2.5 mm
Installationfor non-flush mounting
Output polarityDC
Assured operating distance0 ... 2.05 mm
Output type2x 2-wire
Nominal ratings
Operating voltage6 ... 30 V
Switching frequency0 ... 100 Hz
Hysteresistyp. 0.5 mm
Reverse polarity protectionreverse polarity tolerant
Short-circuit protectionno
Voltage drop≤ 6 V
Operating current4 ... 100 mA
Off-state current100 ... 200 µA typ. 160 µA
Switching state indicatorLED, yellow
Valve status indicatorLED, yellow
Functional safety related parameters
MTTFd684 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
EAC conformityTR CU 020/2011
UL approvalcULus Listed, General Purpose, Class 2 Power Source
Ambient conditions
Ambient temperature-40 ... 75 °C (-40 ... 167 °F)
Storage temperature-40 ... 85 °C (-40 ... 185 °F)
Mechanical specifications
Connection (system side)screw terminal , 1/2" NPT cable gland
Core cross-section (system side)1.5/2.5 mm2 flexible/rigid
Connection (valve side)screw terminal ,
1/2" NPT cable gland
Housing materialrugged, translucent polycarbonate (PC) optimised for outdoor use
Housing basepowder coated aluminum
Degree of protectionIP66 / IP68 / IP69
Tightening torque, housing screws≤ 2 Nm
Tightening torque, cable glandRefer to NEC (National Electrical Code), hand-tight then wrench tightened (max. 3 turns)
Tightening torque, stopping plug1 Nm

Documents: NBN3-F31K2M-Z8L-B23-S

DocumentsLanguageFile TypeFile Size
Application report - Salty Surroundings, Powerful SensorENGPDF1043 KB
Applikationsbericht - Salzige Umgebung, starker SensorGERPDF1050 KB

CAD+CAE: NBN3-F31K2M-Z8L-B23-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
CAD Portal / CAD PortalLINK---

Approvals+Certificates: NBN3-F31K2M-Z8L-B23-S

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-2548APDF169 KB
Certificates
Canada USA UL Ordinary Location20181115-E87056PDF343 KB

Associated Products: NBN3-F31K2M-Z8L-B23-S

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