Serviceline Industrial Sensors
Phone: 330-486-0001
Fax: 330-405-4710
Serviceline Explosion Protection
Phone: 330-486-0002
Fax: 330-963-5827

Not available for purchase

This product has been replaced.Go to replacement product NBB20-U4K-N0
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Not available for purchase

Inductive sensor NJ20+U4+N

NJ20+U4+N
  • 20 mm non-flush


NAMUR sensors must be operated with approved switch amplifiers. Please find suitable devices below:

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  NJ20+U4+N

General specifications
Switching functionNormally closed (NC)
Output typeNAMUR
Rated operating distance20 mm
Installationnon-flush
Assured operating distance0 ... 16.2 mm
Reduction factor rAl 0.4
Reduction factor rCu 0.3
Reduction factor r304 0.85
Output type2-wire
Nominal ratings
Nominal voltage8.2 V (Ri approx. 1 kΩ)
Switching frequency0 ... 150 Hz
Current consumption
Measuring plate not detected≥ 3 mA
Measuring plate detected≤ 1 mA
Compliance with standards and directives
Standard conformity
NAMUREN 60947-5-6:2000
IEC 60947-5-6:1999
StandardsEN 60947-5-2:2007
EN 60947-5-2/A1:2012
IEC 60947-5-2:2007
IEC 60947-5-2 AMD 1:2012
Approvals and certificates
IECEx approval
Equipment protection level GaIECEx PTB 11.0021X
Equipment protection level GbIECEx PTB 11.0021X
Equipment protection level DaIECEx PTB 11.0021X
ATEX approval
Equipment protection level GaPTB 00 ATEX 2032 X
Equipment protection level GbPTB 00 ATEX 2032 X
Equipment protection level DaPTB 00 ATEX 2032 X
FM approval
Control drawing116-0165
UL approvalcULus Listed, General Purpose
Ordinary LocationE87056
Hazardous LocationE501628
Control drawing116-0451
CSA approvalcCSAus Listed, General Purpose
CCC approval
Hazardous Location2020322315002302
NEPSI approval
NEPSI certificateGYJ16.1394X
Ambient conditions
Ambient temperature-25 ... 100 °C (-13 ... 212 °F)
Mechanical specifications
Connection typescrew terminals
Core cross section≤ 2.5 mm2
Housing materialPBT/metal
Sensing facePBT
Degree of protectionIP68
Dimensions
Height40 mm
Width40 mm
Length118 mm
General information
Use in the hazardous areasee instruction manuals

Classifications

SystemClasscode
ECLASS 13.027274001
ECLASS 12.027274001
ECLASS 11.027270101
ECLASS 10.0.127270101
ECLASS 9.027270101
ECLASS 8.027270101
ECLASS 5.127270101
ETIM 9.0EC002714
ETIM 8.0EC002714
ETIM 7.0EC002714
ETIM 6.0EC002714
ETIM 5.0EC002714
UNSPSC 12.139121550

Details: NJ20+U4+N

Product Documentation: NJ20+U4+N

Language Selection:
Product informationLanguageFile TypeFile Size
Installation conditionsENGPDF210 KB
Safety and Security Documentation
Instruction manualENGPDF182 KB

Design / Simulation: NJ20+U4+N

Language Selection:
CADLanguageFile TypeFile Size
CAD 3-D / CAD 3-DALLSTP181 KB
CAE
CAE EPLAN Data Portal / CAE EPLAN Data PortalALLLINK---
EPLAN macro EDZ / EPLAN Makro EDZALLEDZ68 KB

Approvals: NJ20+U4+N

Language Selection:
CertificatesCertificate No.LanguageFile TypeFile Size
Canada USA CSA Ordinary Location1007121ALLPDF99 KB
Canada USA UL Hazardous LocationE501628:1:1ALLPDF412 KB
Canada USA UL Ordinary LocationUL-US-L87056-11-41301991-3 / UL-CA-L87056-31-41301991-3ALLPDF1806 KB
China SITIIAS CCC Ex Certificate2020322315002302 (Bintan)ALLPDF3759 KB
EU PTB ATEX ia 2G, 1G, 1D s. certificatePTB 00 ATEX 2032 XALLPDF29293 KB
Worldwide PTB IECEx iaIECEx PTB 11.0021XALLLINK---
Control Drawings
Control drawing UL / Control drawing UL   ALLPDF294 KB
Control drawing FM / Control drawing FM   ALLPDF686 KB
Declaration of Conformity
EU Declaration of Conformity (P+F) / EU-Konformitäterklärung (P+F)DOC-1737ALLPDF41 KB

Associated Products: NJ20+U4+N

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