Serviceline Industrial Sensors
Serviceline Explosion Protection

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This product has been replaced.Go to replacement product NBN3-F31-Z8-K
Not available for purchase

Inductive sensor NBN3-F31-Z8-K

NBN3-F31-Z8-K
  • Direct mounting on standard actuators
  • Fixed setting
  • Satisfies machinery directive

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-F31-Z8-K

General specifications
Switching function2 x normally open (NO)
Output typeTwo-wire
Rated operating distance3 mm
Installationflush mountable
Output polarityDC
Assured operating distance0 ... 2.43 mm
Actual operating distance2.7 ... 3.3 mm typ.
Reduction factor rAl 0.5
Reduction factor rCu 0.4
Reduction factor r304 1
Reduction factor rSt37 1.1
Nominal ratings
Operating voltage6 ... 60 V DC
Switching frequency0 ... 500 Hz
Hysteresistyp. 5 %
Reverse polarity protectionreverse polarity tolerant
Short-circuit protectionno
Voltage drop≤ 6 V
Operating current4 ... 100 mA
Lowest operating current4 mA
Off-state current0 ... 1 mA typ. 0.7 mA
Switching state indicatorLED, yellow
Limit data
Tightening torque, fastening screws0.4 Nm
Functional safety related parameters
MTTFd590 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Approvals and certificates
UL approvalcULus Listed, General Purpose
CSA approvalcCSAus Listed, General Purpose
CCC approvalCertified by China Compulsory Certification (CCC)
Ambient conditions
Ambient temperature-25 ... 70 °C (-13 ... 158 °F)
Mechanical specifications
Connection (system side)PVC cable 5 m
Core cross-section (system side)0.75 mm2
Housing materialPBT
Sensing facePBT
Degree of protectionIP67

CAD+CAE: NBN3-F31-Z8-K

CADFile TypeFile Size
3-D model in IGS format / 3-D-Modell im IGS-FormatIGS661 KB
3-D model in STP format / 3-D-Modell im STP-FormatSTP260 KB

Approvals+Certificates: NBN3-F31-Z8-K

CertificatesCertificate No.File TypeFile Size
Canada USA CSA Ordinary Location1007121PDF99 KB
US CA UL General PurposeE87056LINK---

Associated Products: NBN3-F31-Z8-K

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