Serviceline Industrial Sensors
Serviceline Explosion Protection

Inductive sensor NJ8-18GK-SN

NJ8-18GK-SN
  • 8 mm non-flush
  • Usable up to SIL 3 acc. to IEC 61508
  • ATEX approval Ex-i and Ex-nA/tc for zone 0-2 and zone 20-22
  • Degree of protection IP68

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  NJ8-18GK-SN

General specifications
Switching functionNormally closed (NC)
Output typeNAMUR with safety function
Rated operating distance8 mm
Installationnon-flush
Assured operating distance0 ... 6.48 mm
Reduction factor rAl 0.4
Reduction factor rCu 0.3
Reduction factor r304 0.85
Safety Integrity Level (SIL)up to SIL3 acc. to IEC 61508 Danger! In safety-related applications the sensor must be operated with a qualified fail safe interface from Pepperl+Fuchs, such as KFD2-SH-EX1.
Consider the "exida Functional Safety Assessment" document which is available on www.pepperl-fuchs.com as an integral part of this product's documentation.
Output type2-wire
Nominal ratings
Nominal voltage8.2 V
Switching frequency0 ... 200 Hz
Current consumption
Measuring plate not detected≥ 3 mA
Measuring plate detected≤ 1 mA
Functional safety related parameters
Safety Integrity Level (SIL)SIL 3
MTTFd11850 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
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
EAC conformityTR CU 012/2011
FM approval
Control drawing116-0165
UL approvalcULus Listed, General Purpose
Ordinary LocationE87056
Hazardous LocationE501628
Control drawing116-0454
CCC approvalCCC approval / marking not required for products rated ≤36 V
Ambient conditions
Ambient temperature-40 ... 100 °C (-40 ... 212 °F)
Mechanical specifications
Connection typecable silicone , 2 m
Core cross-section0.75 mm2
Housing materialCrastin (PBT), black
Sensing faceCrastin (PBT), black
Degree of protectionIP68
Cable
Cable diameter6 mm ± 0.2 mm
Bending radius> 10 x cable diameter
General information
Use in the hazardous areasee instruction manuals

Documents: NJ8-18GK-SN

Instruction manualsLanguageFile TypeFile Size
ИнструкцииBULPDF192 KB
Návod k poużitíCZEPDF183 KB
Instruktions manualDANPDF181 KB
Instruction manualENGPDF183 KB
KasutusjuhendESTPDF175 KB
KäyttöohjeFINPDF175 KB
Manuel d'instructionsFRAPDF186 KB
BetriebsanleitungGERPDF181 KB
Οδηγίες χρήσηςGREPDF195 KB
HandleidingHOLPDF183 KB
Instruction manual / BetriebsanleitungHRVPDF180 KB
Használati útmutatóHUNPDF185 KB
Manuale di istruzioniITAPDF184 KB
Lietošanas pamācībaLAVPDF181 KB
Instrukciju vadovasLITPDF181 KB
Instrukcja obsługiPOLPDF185 KB
Manual de instruçõesPORPDF185 KB
Manual de utilizareRONPDF186 KB
ИнструкцииRUSPDF163 KB
Návod na poużitieSLKPDF184 KB
Navodila za uporaboSLVPDF180 KB
Manual de instruccionesSPAPDF247 KB
ManualSWEPDF179 KB

Approvals+Certificates: NJ8-18GK-SN

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-3676PDF348 KB
Certificates
Canada USA UL Hazardous LocationE501628:1:4PDF405 KB
Canada USA UL Ordinary Location20170306-E87056PDF407 KB
EU PTB ATEX ia 2G, 1G, 1D s. certificatePTB 00 ATEX 2049 XPDF19426 KB
Europe Pepperl+Fuchs ATEX Category 3 D CertificatePF15CERT3774XPDF1001 KB
Europe Pepperl+Fuchs ATEX Category 3 G CertificatePF15CERT3754XPDF1015 KB
Europe Pepperl+Fuchs Certificate ATEX Category 3PF13CERT2895XPDF495 KB
Russia NANIO "CCVE"TC RU C-DE.AA87.B.00394PDF3971 KB
Worldwide PTB IECEx iaIECEx PTB 11.0092XLINK---
exida Functional Safety AssessmentP+F 03/11-10 R015PDF302 KB
Control drawings
Control Drawing FM / Control Drawing FM   PDF686 KB
Control drawing UL / Control drawing UL   PDF206 KB

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