Serviceline Industrial Sensors
Serviceline Explosion Protection

Inductive slot sensor SJ3,5-S1N

  • 3.5 mm slot width
  • Usable up to SIL 3 acc. to IEC 61508
  • Nonferrous targets

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  SJ3,5-S1N

General specifications
Switching functionNormally open (NO)
Output typeNAMUR with safety function
Slot width3.5 mm
Depth of immersion (lateral)5 ... 7 typ. 6 mm
Reference target10 x 7 x 0.3 mm3, Al
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 as an integral part of this product's documentation.
Output type2-wire
Nominal ratings
Nominal voltage8.2 V (Ri approx. 1 kΩ)
Switching frequency0 ... 2500 Hz
Hysteresiswith NAMUR switch amplifier: 0.09 mm (e. g. Pepperl+Fuchs KCD2-SR-Ex1.LB)
with safety switch amplifier 0.05 mm (e. g. Pepperl+Fuchs KFD2-SH-Ex1)
Suitable for 2:1 technologyyes , with reverse polarity protection diode
Rate of current rise2.1 mA / mm
Current consumption
Measuring plate not detected0.2 ... 1 mA
Measuring plate detected≥ 3 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
IECEx approval
Equipment protection level GaIECEx PTB 11.0092X
Equipment protection level GbIECEx PTB 11.0092X
Equipment protection level DaIECEx PTB 11.0092X
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 DaPTB 00 ATEX 2049 X
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 typeflexible leads LiY
Housing materialPBT
Degree of protectionIP67
Cable diameter1.1 mm ± 0.1 mm
Bending radius> 10 x cable diameter
Core cross section0.14 mm2
Length500 mm
Height15 mm
Width10 mm
Length19.5 mm
Noteonly for non-ferrous metal
Adjustable stop
General information
Use in the hazardous areasee instruction manuals


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: SJ3,5-S1N

Product Documentation: SJ3,5-S1N

Language Selection:
Safety and Security DocumentationLanguageFile TypeFile Size
Instruction manualENGPDF184 KB
Functional Safety ManualENGPDF1963 KB

Design / Simulation: SJ3,5-S1N

Language Selection:
CADLanguageFile TypeFile Size
3-D model / 3-D-ModellALLSTP65 KB
CAD Portal / CAD PortalALLLINK---

Approvals: SJ3,5-S1N

Language Selection:
CertificatesCertificate No.LanguageFile TypeFile Size
Canada USA UL Hazardous LocationE501628:1:4ALLPDF412 KB
Canada USA UL Ordinary LocationUL-US-L87056-11-41301991-3 / UL-CA-L87056-31-41301991-3ALLPDF1806 KB
China SITIIAS CCC Ex Certificate2020322315002308 (Bintan)ALLPDF2727 KB
EU PTB ATEX ia 2G, 1G, 1D s. certificatePTB 00 ATEX 2049 XALLPDF9560 KB
United Kingdom CML UKEX Category I M2 UKEX Category II 2 G UKEX Category II 1 D UKEX Category II 1 GCML 21UKEX2977XALLPDF331 KB
Worldwide PTB IECEx iaIECEx PTB 11.0092XALLLINK---
Control Drawings
Control drawing UL / Control drawing UL   ALLPDF206 KB
Declaration of Conformity
EU-Declaration of conformity / EU-KonformitätserklärungDOC-5056AALLPDF1334 KB
UK-Declaration of conformityTDOC-6548AENGENGPDF1328 KB

Associated Products: SJ3,5-S1N

2-channel, NAMUR sensor input, Reduces field wiring by 50%, Supports 2:1 technologypa

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