Serviceline Industrial Sensors
Serviceline Explosion Protection
Not available for purchase
Not available for purchase

Inductive sensor NCN20+U1+N0

NCN20+U1+N0
  • Comfort series


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  NCN20+U1+N0

General specifications
Switching functionNormally closed (NC)
Output typeNAMUR
Rated operating distance20 mm
Installationnon-flush
Assured operating distance0 ... 16.2 mm
Actual operating distance18 ... 22 mm
Reduction factor rAl 0.37
Reduction factor rCu 0.35
Reduction factor r304 0.79
Output type2-wire
Nominal ratings
Nominal voltage8 V
Switching frequency0 ... 250 Hz
Hysteresis1 ... 15 typ. 5 %
Reverse polarity protectionreverse polarity protected
Short-circuit protectionyes
Current consumption
Measuring plate not detectedmin. 3 mA
Measuring plate detected≤ 1 mA
Switching state indicatorLED, yellow
Compliance with standards and directives
Standard conformity
NAMUREN 60947-5-6:2000
IEC 60947-5-6:1999
Electromagnetic compatibilityNE 21:2007
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
FM approval
Control drawing116-0165
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 ... 100 °C (-13 ... 212 °F)
Storage temperature-40 ... 100 °C (-40 ... 212 °F)
Mechanical specifications
Connection typescrew terminals
Information for connectionA maximum of two conductors with the same core cross section may be mounted on one terminal connection!
tightening torque 1.2 Nm + 10 %
Core cross sectionup to 2.5 mm2
Minimum core cross-sectionwithout wire end ferrule 0.5 mm2 , with connector sleeves 0.34 mm2
Maximum core cross-sectionwithout wire end ferrule 2.5 mm2 , with connector sleeves 1.5 mm2
Connection (system side)screw terminals , M20 x 1.5 cable gland , usable thread length 9.1 mm , screw-in depth max. 9.1 mm
Housing materialPBT
Sensing facePBT
Degree of protectionIP68
Dimensions
Height40 mm
Width40 mm
Length118 mm
NoteTightening torque: 1.8 Nm (housing)
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: NCN20+U1+N0

Product Documentation: NCN20+U1+N0

Language Selection:
Product informationLanguageFile TypeFile Size
Installation conditionsENGPDF210 KB
Safety and Security Documentation
Instruction manualENGPDF176 KB

Design / Simulation: NCN20+U1+N0

Language Selection:
CADLanguageFile TypeFile Size
CAD 3-D / CAD 3-DALLSTP181 KB

Approvals: NCN20+U1+N0

Language Selection:
CertificatesCertificate No.LanguageFile TypeFile Size
Canada USA CSA Ordinary Location1007121ALLPDF99 KB
Canada USA UL Ordinary LocationUL-US-L87056-11-41301991-3 / UL-CA-L87056-31-41301991-3ALLPDF1806 KB
EU PTB ATEX ia 2G, 1G, 1D s. certificatePTB 00 ATEX 2032 XALLPDF29293 KB
Control Drawings
Control drawing FM / Control drawing FM   ALLPDF686 KB

Associated Products: NCN20+U1+N0

Accessories

Mounting aid for VariKont and +U1+ fa
Modular mounting bracket fa

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