Serviceline Industrial Sensors
Serviceline Explosion Protection

Inductive sensor NCB5-18GK40-N0

NCB5-18GK40-N0
  • 5 mm 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, also apply to Pepperl+Fuchs AG.

Download the complete datasheet as a PDF:


Datasheet excerpt: Technical data of  NCB5-18GK40-N0

General specifications
Switching functionNormally closed (NC)
Output typeNAMUR
Rated operating distance5 mm
Installationflush
Assured operating distance0 ... 4.05 mm
Actual operating distance4.5 ... 5.5 mm typ. 5 mm
Reduction factor rAl 0.2
Reduction factor rCu 0.2
Reduction factor r304 0.6
Output type2-wire
Nominal ratings
Nominal voltage8.2 V (Ri approx. 1 kΩ)
Switching frequency0 ... 400 Hz
Hysteresis1 ... 10 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 indicatorall direction LED, yellow
Functional safety related parameters
MTTFd2040 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
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
IEC 60947-5-2:2007
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 typecable PVC , 2 m
Core cross-section0.75 mm2
Housing materialPBT
Sensing facePBT
Degree of protectionIP67
Cable
Bending radius> 10 x cable diameter
Equipment protection level Gb
CE marking[*PD-Z02585A*]
ATEX markingEx-Hexagon II 2G Ex ia IIC T6…T1 Gb The Ex-related marking can also be printed on the enclosed label.
StandardsEN 60079-0:2012+A11:2013 EN 60079-11:2012 Ignition protection "Intrinsic safety"
Use is restricted to the following stated conditions
Appropriate typeNCB5-18GK...-N0...
Effective internal capacitancemax. 95 nF ; a cable length of 10 m is considered.
Effective internal inductancemax. 100 µH ; a cable length of 10 m is considered.
Maximum permissible ambient temperatureDetails of the correlation between the type of circuit connected, the maximum permissible ambient temperature, the temperature class, and the effective internal reactance values can be found on the EC-type examination certificate.
Equipment protection level Da
CE marking[*PD-Z02585A*]
ATEX markingEx-Hexagon II 1D Ex ia IIIC T135°C Da The Ex-related marking can also be printed on the enclosed label.
StandardsEN 60079-0:2012+A11:2013 EN 60079-11:2012 Ignition protection "Intrinsic safety"
Use is restricted to the following stated conditions
Appropriate typeNCB5-18GK...-N0...
Effective internal capacitancemax. 95 nF ; a cable length of 10 m is considered.
Effective internal inductancemax. 100 µH ; a cable length of 10 m is considered.
Maximum permissible ambient temperature
Details of the correlation between the type of circuit connected, the maximum permissible ambient temperature, the surface temperature, and the effective internal reactance values can be found on the EC-type-examination certificate. The maximum permissible ambient temperature of the data sheet must be noted, in addition, the lower of the two values must be maintained.
General information
Use in the hazardous areasee instruction manuals
Category2G; 1D

Documents: NCB5-18GK40-N0

Instruction manualsLanguageFile TypeFile Size
Instruction manualENGPDF53 KB
Manuel d'instructionsFRAPDF55 KB
BetriebsanleitungGERPDF56 KB
Manuale di istruzioniITAPDF52 KB
Manual de instruccionesSPAPDF54 KB
Technical information
Installation conditionsENGPDF191 KB
EinbaubedingungenGERPDF194 KB
warunki montażuPOLPDF245 KB
Условия монтажаRUSPDF274 KB

Approvals+Certificates: NCB5-18GK40-N0

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-1541APDF265 KB
Certificates
Canada USA CSA Ordinary Location1007121PDF99 KB
Canada USA UL Ordinary Location20170306-E87056PDF407 KB
EU PTB ATEX ia 2G, 1G, 1D s. certificatePTB 00 ATEX 2048 XPDF29071 KB
Pepperl+Fuchs Declaration of Conformity Functional SafetyPF 10 CERT 1674PDF1029 KB
Worldwide PTB IECEx iaIECEx PTB 11.0037XLINK---
Control drawings
Control Drawing FM / Control Drawing FM   PDF686 KB