Serviceline Industrial Sensors
Serviceline Explosion Protection

Inductive sensor NJ3-18GK-S1N

NJ3-18GK-S1N
  • Nonferrous targets
  • 3 mm flush in ST37 / 1.0037
  • Usable up to SIL 3 acc. to IEC 61508
  • Degree of protection IP68
  • ATEX & IECEX certifications
  • ATEX/IECEx Zone 2/22

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  NJ3-18GK-S1N

General specifications
Switching functionNormally open (NO)
Output typeNAMUR with safety function
Rated operating distance3 mm
Installationflush in mild steel
Assured operating distance0 ... 2.4 mm
Actual operating distance2.7 ... 3.3 mm typ.
Reduction factor rAl 1
Reduction factor rCu 1
Reduction factor r304 0
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 (Ri approx. 1 kΩ)
Switching frequency0 ... 200 Hz
Suitable for 2:1 technologyyes , Reverse polarity protection diode not required
Current consumption
Measuring plate not detected≤ 1 mA
Measuring plate detected≥ 3 mA
Functional safety related parameters
Safety Integrity Level (SIL)SIL 3
MTTFd7666 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Compliance with standards and directives
Standard conformity
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 11.0092X
Equipment protection level GbIECEx PTB 11.0092X
Equipment protection level Gc (ec)IECEx TUR 21.0017X
Equipment protection level DaIECEx PTB 11.0092X
Equipment protection level Dc (tc)IECEx TUR 21.0018X
Equipment protection level MbIECEx PTB 11.0092X
ATEX approval
Equipment protection level GaPTB 00 ATEX 2049 X
Equipment protection level GbPTB 00 ATEX 2049 X
Equipment protection level Gc (ec)TÜV 20 ATEX 8523 X
Equipment protection level DaPTB 00 ATEX 2049 X
Equipment protection level Dc (tc)TÜV 20 ATEX 8524 X
EAC conformityTR CU 012/2011
UL approvalcULus Listed, General Purpose
Ordinary LocationE87056
Hazardous LocationE501628
Control drawing116-0454
CCC approval
Hazardous Location2020322315002308
NEPSI approval
NEPSI certificateGYJ16.1392X
Ambient conditions
Ambient temperature-25 ... 100 °C (-13 ... 212 °F)
Mechanical specifications
Connection typecable
Housing materialCrastin (PBT), black
Sensing faceCrastin (PBT), black
Degree of protectionIP68
Cable
Cable diameter6.8 mm ± 0.2 mm
Bending radius> 10 x cable diameter
Materialsilicone
Core cross-section0.75 mm2
Length2 m
Noteonly for non-ferrous metal
General information
Use in the hazardous areasee instruction manuals

Classifications

SystemClasscode
ECLASS 10.0.127272401
ECLASS 9.027272401
ECLASS 8.027272401
ECLASS 5.127272401
ETIM 7.0EC002714
ETIM 6.0EC002714
ETIM 5.0EC002714
UNSPSC 12.139121550

Documents: NJ3-18GK-S1N

Instruction manualsLanguageFile TypeFile Size
Instruction manualENGPDF182 KB
BetriebsanleitungGERPDF181 KB

Approvals+Certificates: NJ3-18GK-S1N

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of Conformity / EU-KonformitätserkärungDOC-5055PDF1237 KB
Certificates
Canada USA UL Hazardous LocationE501628:1:4PDF405 KB
Canada USA UL Ordinary Location20170306-E87056PDF407 KB
China SITIIAS CCC Ex Certificate2020322315002308 (PT. Pepperl and Fuchs Bintan)PDF1955 KB
EU PTB ATEX ia 2G, 1G, 1D s. certificatePTB 00 ATEX 2049 XPDF4905 KB
Europe TUV Rheinland ATEX ec 3GTÜV 20 ATEX 8523 XPDF283 KB
Europe TUV Rheinland ATEX tc 3DTÜV 20 ATEX 8524 XPDF287 KB
Russia NANIO "CCVE"TC RU C-DE.AA87.B.00394PDF3971 KB
Worldwide PTB IECEx iaIECEx PTB 11.0092XLINK---
Worldwide TUV Rheinland IECEx ecIECEx TUR 21.0017XLINK---
Worldwide TUV Rheinland IECEx tcIECEx TUR 21.0018XLINK---
exida Functional Safety AssessmentP+F 03/11-10 R015PDF302 KB
Control drawings
Control drawing UL / Control drawing UL   PDF206 KB

Associated Products: NJ3-18GK-S1N

Accessories

Mounting flange, 18 mmfa

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.