Serviceline Industrial Sensors
Serviceline Explosion Protection

Inductive slot sensor SC3,5-N0-BU

SC3,5-N0-BU
  • Comfort series
  • Usable up to SIL 2 acc. to IEC 61508


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

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, also apply to Pepperl+Fuchs AG.

Download the complete datasheet as a PDF:


Datasheet excerpt: Technical data of  SC3,5-N0-BU

General specifications
Switching functionNormally closed (NC)
Output typeNAMUR
Slot width3.5 mm
Depth of immersion (lateral)5 ... 7 typ. 6 mm
Output type2-wire
Nominal ratings
Nominal voltage8.2 V (Ri approx. 1 kΩ)
Operating voltage5 ... 25 V
Switching frequency0 ... 3000 Hz
Hysteresis0.21 ... 0.4 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
Switching state indicatorLED, yellow
Functional safety related parameters
Safety Integrity Level (SIL)SIL 2
MTTFd4968 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
Electromagnetic compatibilityNE 21:2007
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
UL approvalcULus Listed, General Purpose
Ordinary LocationE87056
Hazardous LocationE501628
Control drawing116-0453
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
Degree of protectionIP67
Data for application in connection with hazardous areas
Equipment protection levelGa , Gb , Gc (ic) , Da , Mb
Equipment protection level Ga
Type of protectionintrinsic safety
CE marking[*PD-Z02585A*]
Certificates
Appropriate typeSC3,5...-N0...
ATEX certificatePTB 99 ATEX 2219 X
ATEX markingEx-Hexagon II 1G Ex ia IIC T6...T1 Ga
StandardsEN 60079-0:2012+A11:2013 , EN 60079-11:2012
IECEx certificateIECEx PTB 11.0091X
IECEx markingEx ia IIC T6...T1 Ga
StandardsIEC 60079-0:2011 , IEC 60079-11:2011
Effective internal capacitancemax. 150 nF
A cable length of 10 m is considered.
Effective internal inductancemax. 150 µH
A cable length of 10 m is considered.
Maximum permissible ambient temperatureAlso observe the maximum permissible ambient temperature stated in the general technical data.
Keep to the lower of the two values.
for ATEXat Ui = 16 V , Ii = 25 mA , Pi = 34 mW ,
T6 : 56 °C (132.8 °F)
T5 : 68 °C (154.4 °F)
T4 : 96 °C (204.8 °F)
T3 : 96 °C (204.8 °F)
T2 : 96 °C (204.8 °F)
T1 : 96 °C (204.8 °F)
at Ui = 16 V , Ii = 25 mA , Pi = 64 mW ,
T6 : 49 °C (120.2 °F)
T5 : 61 °C (141.8 °F)
T4 : 89 °C (192.2 °F)
T3 : 89 °C (192.2 °F)
T2 : 89 °C (192.2 °F)
T1 : 89 °C (192.2 °F)
at Ui = 16 V , Ii = 52 mA , Pi = 169 mW ,
T6 : 28 °C (82.4 °F)
T5 : 40 °C (104 °F)
T4 : 68 °C (154.4 °F)
T3 : 68 °C (154.4 °F)
T2 : 68 °C (154.4 °F)
T1 : 68 °C (154.4 °F)
at Ui = 16 V , Ii = 76 mA , Pi = 242 mW ,
T6 : 13 °C (55.4 °F)
T5 : 25 °C (77 °F)
T4 : 53 °C (127.4 °F)
T3 : 53 °C (127.4 °F)
T2 : 53 °C (127.4 °F)
T1 : 53 °C (127.4 °F)
for IECExat Ui = 16 V , Ii = 25 mA , Pi = 34 mW ,
T6 : 73 °C (163.4 °F)
T5 : 88 °C (190.4 °F)
T4 : 100 °C (212 °F)
T3 : 100 °C (212 °F)
T2 : 100 °C (212 °F)
T1 : 100 °C (212 °F)
at Ui = 16 V , Ii = 25 mA , Pi = 64 mW ,
T6 : 66 °C (150.8 °F)
T5 : 81 °C (177.8 °F)
T4 : 100 °C (212 °F)
T3 : 100 °C (212 °F)
T2 : 100 °C (212 °F)
T1 : 100 °C (212 °F)
at Ui = 16 V , Ii = 52 mA , Pi = 169 mW ,
T6 : 45 °C (113 °F)
T5 : 60 °C (140 °F)
T4 : 89 °C (192.2 °F)
T3 : 89 °C (192.2 °F)
T2 : 89 °C (192.2 °F)
T1 : 89 °C (192.2 °F)
at Ui = 16 V , Ii = 76 mA , Pi = 242 mW ,
T6 : 30 °C (86 °F)
T5 : 45 °C (113 °F)
T4 : 74 °C (165.2 °F)
T3 : 74 °C (165.2 °F)
T2 : 74 °C (165.2 °F)
T1 : 74 °C (165.2 °F)
Equipment protection level Gb
Type of protectionintrinsic safety
CE marking[*PD-Z02585A*]
Certificates
Appropriate typeSC3,5...-N0...
ATEX certificatePTB 99 ATEX 2219 X
ATEX markingEx-Hexagon II 1G Ex ia IIC T6…T1 Ga
StandardsEN 60079-0:2012+A11:2013 , EN 60079-11:2012
IECEx certificateIECEx PTB 11.0091X
IECEx markingEx ia IIC T6...T1 Ga
StandardsIEC 60079-0:2011 , IEC 60079-11:2011
Effective internal capacitancemax. 150 nF
A cable length of 10 m is considered.
Effective internal inductancemax. 150 µH
A cable length of 10 m is considered.
Maximum permissible ambient temperatureAlso observe the maximum permissible ambient temperature stated in the general technical data.
Keep to the lower of the two values.
at Ui = 16 V , Ii = 25 mA , Pi = 34 mW ,
T6 : 73 °C (163.4 °F)
T5 : 88 °C (190.4 °F)
T4 : 100 °C (212 °F)
T3 : 100 °C (212 °F)
T2 : 100 °C (212 °F)
T1 : 100 °C (212 °F)
at Ui = 16 V , Ii = 25 mA , Pi = 64 mW ,
T6 : 66 °C (150.8 °F)
T5 : 81 °C (177.8 °F)
T4 : 100 °C (212 °F)
T3 : 100 °C (212 °F)
T2 : 100 °C (212 °F)
T1 : 100 °C (212 °F)
at Ui = 16 V , Ii = 52 mA , Pi = 169 mW ,
T6 : 45 °C (113 °F)
T5 : 60 °C (140 °F)
T4 : 89 °C (192.2 °F)
T3 : 89 °C (192.2 °F)
T2 : 89 °C (192.2 °F)
T1 : 89 °C (192.2 °F)
at Ui = 16 V , Ii = 76 mA , Pi = 242 mW ,
T6 : 30 °C (86 °F)
T5 : 45 °C (113 °F)
T4 : 74 °C (165.2 °F)
T3 : 74 °C (165.2 °F)
T2 : 74 °C (165.2 °F)
T1 : 74 °C (165.2 °F)
Equipment protection level Gc (ic)
Type of protectionintrinsic safety
CE marking[*PD-Z02586A*]
Certificates
ATEX certificatePF13CERT2895 X
ATEX markingEx-Hexagon II 3G Ex ic IIC T6…T1 Gc
StandardsEN 60079-0:2012+A11:2013 , EN 60079-11:2012
Effective internal capacitancemax. 150 nF
A cable length of 10 m is considered.
Effective internal inductancemax. 150 µH
A cable length of 10 m is considered.
Maximum permissible ambient temperatureAlso observe the maximum permissible ambient temperature stated in the general technical data.
Keep to the lower of the two values.
at Ui = 20 V , Ii = 25 mA , Pi = 34 mW ,
T6 : 66 °C (150.8 °F)
T5 : 81 °C (177.8 °F)
T4 : 100 °C (212 °F)
T3 : 100 °C (212 °F)
T2 : 100 °C (212 °F)
T1 : 100 °C (212 °F)
at Ui = 20 V , Ii = 25 mA , Pi = 64 mW ,
T6 : 66 °C (150.8 °F)
T5 : 81 °C (177.8 °F)
T4 : 100 °C (212 °F)
T3 : 100 °C (212 °F)
T2 : 100 °C (212 °F)
T1 : 100 °C (212 °F)
at Ui = 20 V , Ii = 52 mA , Pi = 169 mW ,
T6 : 45 °C (113 °F)
T5 : 60 °C (140 °F)
T4 : 89 °C (192.2 °F)
T3 : 89 °C (192.2 °F)
T2 : 89 °C (192.2 °F)
T1 : 89 °C (192.2 °F)
at Ui = 20 V , Ii = 76 mA , Pi = 242 mW ,
T6 : 30 °C (86 °F)
T5 : 45 °C (113 °F)
T4 : 74 °C (165.2 °F)
T3 : 74 °C (165.2 °F)
T2 : 74 °C (165.2 °F)
T1 : 74 °C (165.2 °F)
Equipment protection level Da
Type of protectionintrinsic safety
CE marking[*PD-Z02585A*]
Certificates
Appropriate typeSC3,5...-N0...
ATEX certificatePTB 99 ATEX 2219 X
ATEX markingEx-Hexagon II 1D Ex ia IIIC T135°C Da
StandardsEN 60079-0:2012+A11:2013 , EN 60079-11:2012
IECEx certificateIECEx PTB 11.0091X
IECEx markingEx ia IIIC T135°C Da
StandardsIEC 60079-0:2011 , IEC 60079-11:2011
Effective internal capacitancemax. 150 nF
A cable length of 10 m is considered.
Effective internal inductancemax. 150 µH
A cable length of 10 m is considered.
Maximum permissible ambient temperatureAlso observe the maximum permissible ambient temperature stated in the general technical data.
Keep to the lower of the two values.
at Ui = 16 V , Ii = 25 mA , Pi = 34 mW : 100 °C (212 °F)
at Ui = 16 V , Ii = 25 mA , Pi = 64 mW : 100 °C (212 °F)
at Ui = 16 V , Ii = 52 mA , Pi = 169 mW : 89 °C (192.2 °F)
at Ui = 16 V , Ii = 76 mA , Pi = 242 mW : 74 °C (165.2 °F)
Equipment protection level Mb
Type of protectionintrinsic safety
Certificates
Appropriate typeSC3,5...-N0...
IECEx certificateIECEx PTB 11.0091X
IECEx markingEx ia I Mb
StandardsIEC 60079-0:2011 , IEC 60079-11:2011
Effective internal capacitancemax. 150 nF
A cable length of 10 m is considered.
Effective internal inductancemax. 150 µH
A cable length of 10 m is considered.
Maximum permissible ambient temperatureAlso observe the maximum permissible ambient temperature stated in the general technical data.
Keep to the lower of the two values.
at Ui = 16 V , Ii = 25 mA , Pi = 34 mW : 100 °C (212 °F)
at Ui = 16 V , Ii = 25 mA , Pi = 64 mW : 100 °C (212 °F)
at Ui = 16 V , Ii = 52 mA , Pi = 169 mW : 89 °C (192.2 °F)
at Ui = 16 V , Ii = 76 mA , Pi = 242 mW : 74 °C (165.2 °F)
General information
Use in the hazardous areasee instruction manuals

Documents: SC3,5-N0-BU

Instruction manualsLanguageFile TypeFile Size
Instruction manualENGPDF172 KB
BetriebsanleitungGERPDF173 KB

Approvals+Certificates: SC3,5-N0-BU

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-1290BPDF385 KB
Certificates
Canada USA CSA Ordinary Location1007121PDF99 KB
Canada USA UL Hazardous LocationE501628:1:3PDF405 KB
Canada USA UL Ordinary Location20170306-E87056PDF407 KB
China NEPSIGYJ16.1391XPDF3204 KB
EU PTB ATEX ia 2G, 1G, 1D s. certificatePTB 99 ATEX 2219 XPDF8732 KB
Europe Pepperl+Fuchs Certificate ATEX Category 3PF13CERT2895XPDF495 KB
Pepperl+Fuchs Declaration of Conformity Functional SafetyPF12CERT2461PDF1420 KB
Worldwide PTB IECEx iaIECEx PTB 11.0091XLINK---
Control drawings
Control drawing UL / Control drawing UL   PDF168 KB
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