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  5. Safety Integrity Level 3
  6. NJ3-18GK-S1N

NJ3-18GK-S1N Inductive sensor

Key Benefits at a Glance

  • Nonferrous targets
  • 3 mm flush in ST37 / 1.0037
  • Usable up to SIL 3 acc. to IEC 61508
  • Degree of protection IP68
  • ATEX-/IECEx-approvals for zone 0/1/20/21 (Ex i)
  • ATEX-/IECEx-approvals for zone 2/22 (Ex ec/tc)

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In stock3 499,00 CZK Net price—your individual price will be shown during checkout process.
Preferred Type
Product photo: Inductive sensor NJ3-18GK-S1N
Dimensions: Inductive sensor NJ3-18GK-S1N
Product photo: Inductive sensor NJ3-18GK-S1N
Dimensions: Inductive sensor NJ3-18GK-S1N
Approval
Product Compliance: United Kingdom – UKCA
Approval
Product Compliance: Europe – CE
Product Compliance: USA - cULus
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.

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DatasheetClassificationProduct DocumentationDesign / SimulationApprovalsRelated Products

Technical data of NJ3-18GK-S1N

Switching functionNormally open (NO)
Output typeNAMUR with safety function
Rated operating distancesn3 mm
Installationflush in mild steel
Assured operating distancesa0 ... 2.4 mm
Actual operating distancesr2.7 ... 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 voltageUo8.2 V (Ri approx. 1 kΩ)
Switching frequencyf0 ... 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
Safety Integrity Level (SIL)SIL 3
MTTFd7666 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Standard conformity
StandardsEN IEC 60947-5-2
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
UL approvalcULus Listed, General Purpose
Ordinary LocationE87056
Hazardous LocationE501628
Control drawing116-0454
CCC approval
Hazardous Location2020322315002308
2024322315005947
2024322315005860
Ambient temperature-25 ... 100 °C (-13 ... 212 °F)
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
LengthL2 m
Dimensions
Length39 mm
Diameter18 mm
Noteonly for non-ferrous metal
Use in the hazardous areasee instruction manuals
General Notes
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