Serviceline Information

A Level Higher: Inductive Sensors of the 2nd Generation
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  • Direct mounting on standard actuators
  • Fixed setting
  • Satisfies machinery directive

Datasheet as PDF in following languages:


Technical Data: NBN3-F31-E8-K

General specifications
Switching element functionPNP Dual NO
Rated operating distance3 mm
Installationflush mountable
Output polarityDC
Assured operating distance0 ... 2.43 mm
Reduction factor rAl 0.5
Reduction factor rCu 0.4
Reduction factor r304 1
Reduction factor rSt37 1.2
Nominal ratings
Operating voltage10 ... 30 V DC
Switching frequency0 ... 500 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 at 25 °C
No-load supply current≤ 25 mA
Operating voltage displayLED, green
Switching state indicationLED, yellow
Functional safety related parameters
MTTFd780 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Approvals and certificates
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 ... 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
Protection degreeIP67

CAD+CAE: NBN3-F31-E8-K

CADFile TypeFile Size
3D Modell/3D modelIGS294 KB
3D Modell/3D modelSTP228 KB

Approvals+Certificates: NBN3-F31-E8-K

CertificatesCertificate No.File TypeFile Size
US CA UL General PurposeE87056LINK---
Europe Pepperl+Fuchs 2004/108/EC (EMC) Declaration of ConformityPF 08 CERT 1262PDF357 KB
US CA CSA1007121 (LR96321-2)PDF101 KB

Associated Products: NBN3-F31-E8-K

AccessoriesName
BT65AActivator
BT65XActivator
BT115AActivator
BT115XActivator
BT65BActivator
BT115BActivator