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Serviceline
Serviceline Industrial Sensors
Serviceline Explosion Protection
Industrial Sensors

Inductive slot sensor SJ3,5-N

SJ3,5-N
  • 3.5 mm slot width
  • Usable up to SIL 2 acc. to IEC 61508


NAMUR sensors must be operated with approved switch amplifiers. Please find suitable devices below:

Download the complete datasheet as a PDF:


Datasheet excerpt: Technical data of SJ3,5-N

General specifications
Switching functionNormally closed (NC)
Output typeNAMUR
Slot width3.5 mm
Depth of immersion (lateral)5 ... 7 mm , typ. 6 mm
Output type2-wire
Nominal ratings
Nominal voltage8.2 V (Ri approx. 1 kΩ)
Operating voltage5 ... 25 V
Switching frequency0 ... 3000 Hz
Hysteresis0.41 ... 0.6 mm
Suitable for 2:1 technologyyes , Reverse polarity protection diode not required
Current consumption
Measuring plate not detected≥ 3 mA at nominal voltage
Measuring plate detected≤ 1 mA at nominal voltage
Functional safety related parameters
MTTFd8415 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
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)
Mechanical specifications
Connection typeflexible leads LiY , 500 mm
Core cross-section0.14 mm2
Housing materialPBT/PPS
Degree of protectionIP67
Equipment protection level Ga
CE marking[*PD-Z02585A*]
ATEX markingEx-Hexagon II 1G Ex ia IIC T6…T1 Ga
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 typeSJ3,5-...-N...
Effective internal capacitancemax. 50 nF ; a cable length of 10 m is considered.
Effective internal inductancemax. 250 µH ; a cable length of 10 m is considered.
Highest 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 EU-type examination certificate. Note: Use the temperature table for category 1 !!! The 20 % reduction in accordance with EN 1127-1 has already been applied to the temperature table for category 1.
Equipment protection level Gb
CE marking[*PD-Z02585A*]
ATEX markingEx-Hexagon II 1G Ex ia IIC T6…T1 Ga
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 typeSJ3,5-...-N...
Effective internal capacitancemax. 50 nF ; a cable length of 10 m is considered.
Effective internal inductancemax. 250 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 EU-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 typeSJ3,5-...-N...
Effective internal capacitancemax. 50 nF ; a cable length of 10 m is considered.
Effective internal inductancemax. 250 µH ; a cable length of 10 m is considered.
General information
Use in the hazardous areasee instruction manuals
Category1G; 2G; 1D

Documents: SJ3,5-N

Instruction manualsLanguageFile TypeFile Size
Instruction manualENGPDF45 KB
Manuel d'instructionsFRAPDF46 KB
BetriebsanleitungGERPDF49 KB
Manuale di istruzioniITAPDF43 KB
Manual de instruccionesSPAPDF45 KB

Approvals+Certificates: SJ3,5-N

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-3914PDF347 KB
Certificates
Canada USA CSA Ordinary Location1007121PDF99 KB
EU PTB ATEX ia 2G, 1G, 1D s. certificatePTB 99 ATEX 2219 XPDF8732 KB
Pepperl+Fuchs Declaration of Conformity Functional SafetyPF 11 CERT 1874PDF1022 KB
Russia NANIO "CCVE"TC RU C-DE.AA87.B.00394PDF3971 KB
US CA UL General PurposeE87056LINK---
Worldwide PTB IECEx iaIECEx PTB 11.0091XLINK---
Control drawings
Control Drawing FM / Control Drawing FM   PDF686 KB
General Notes Relating to Pepperl+Fuchs Product Information
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