Serviceline Industrial Sensors
Sales phone: 0161 622 6308
Tech phone: 0161 622 6311
Fax: 0161 624 6537
Serviceline Explosion Protection
Sales phone: 0161 622 6309
Tech phone: 0161 622 6313
Fax: 0161 624 6537

Inductive sensor NBN3-F31-U8-K

NBN3-F31-U8-K
  • Direct mounting on standard actuators
  • Compact and stable housing
  • Fixed setting

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-F31-U8-K

General specifications
Switching function2 x normally open (NO)
Rated operating distance3 mm
Installationflush mountable
Output polarityAC/DC
Assured operating distance0 ... 2.43 mm
Reduction factor rAl 0.45
Reduction factor rCu 0.38
Reduction factor r304 1
Reduction factor rSt37 1.04
Output type4-wire
Nominal ratings
Operating voltage20 ... 253 V AC/DC
Switching frequency25 Hz
Hysteresistyp. 3 %
Reverse polarity protectionyes
Short-circuit protectionyes
Voltage drop≤ 8 V
Operating current4 ... 400 mA
Off-state current≤ 1.7 mA
Operating voltage indicatorLED, green
Switching state indicatorLED, yellow
Functional safety related parameters
MTTFd529 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Compliance with standards and directives
Standard conformity
StandardsEN IEC 60947-5-2
Approvals and certificates
Protection classII
Rated insulation voltage253 V
Rated impulse withstand voltage4 kV
UL approvalcULus Listed, General Purpose
CSA approvalcCSAus Listed, General Purpose
Ambient conditions
Ambient temperature-25 ... 70 °C (-13 ... 158 °F)
Mechanical specifications
Connection typecable PVC , 5 m
Core cross section0.5 mm2
Housing materialPBT
Sensing facePBT
Degree of protectionIP67
Cable
Cable diameter5.2 mm ± 0.2 mm
Bending radius> 10 x cable diameter
Tightening torque, fastening screws4 Nm ... 5 Nm
Dimensions
Height33.5 mm
Width65 mm
Length36 mm

Classifications

SystemClasscode
ECLASS 13.027273901
ECLASS 12.027273901
ECLASS 11.027220501
ECLASS 10.0.127220501
ECLASS 9.027220501
ECLASS 8.027220501
ECLASS 5.127220501
ETIM 9.0EC002714
ETIM 8.0EC002714
ETIM 7.0EC002714
ETIM 6.0EC002714
ETIM 5.0EC002714
UNSPSC 12.139121550

Details: NBN3-F31-U8-K

Design / Simulation: NBN3-F31-U8-K

Language Selection:
CADLanguageFile TypeFile Size
CAD 3-D / CAD 3-DALLSTP264 KB
CAD Portal / CAD PortalALLLINK---
CAE
CAE EPLAN Data Portal / CAE EPLAN Data PortalALLLINK---
CAE EPLAN macro EDZ / CAE EPLAN Makro EDZALLEDZ178 KB

Approvals: NBN3-F31-U8-K

Language Selection:
CertificatesCertificate No.LanguageFile TypeFile Size
Canada USA CSA Ordinary Location1007121ALLPDF198 KB
Canada USA UL Ordinary LocationUL-US-L87056-11-41301991-3 / UL-CA-L87056-31-41301991-3ALLPDF1806 KB
Declaration of Conformity
EU Declaration of Conformity (P+F)TDOC-7390_ENGENGPDF1319 KB
UK Declaration of Conformity (P+F)TDOC-7391_ENGENGPDF1294 KB

Associated Products: NBN3-F31-U8-K

Matching System Components

fa

fa
Accessories

fa
fa
fa
fa

Our amplify article gives interesting insights about the development of the new, modern portfolio of inductive proximity sensors from Pepperl+Fuchs. Get the whole story here! 

 

 

Knowledge Base for Inductive Sensors

The knowledge base for inductive sensors contains extensive expertise and supports you in the highly precise and smooth operation of the sensors in your machinery and plants.

VariKont with Active Shielding Technology

The VariKont inductive sensors with Active Shielding Technology ensure high switching distances, no matter the installation situation and the surrounding material. Benefit from easier equipment design and reduced costs!

Inductive Safety Sensors SIL 2 PL d

As the SIL 2/PL d inductive safety sensors have no dead band, data transfer can occur with no minimum distance between sensor and target. Discover the optimized portfolio for demanding environments.