Serviceline Industrial Sensors
Serviceline Explosion Protection

Inductive sensor NBB15-U1K-N0

NBB15-U1K-N0
  • Sensor head bidirectional and rotatable
  • 15 mm flush


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  NBB15-U1K-N0

General specifications
Switching functionNormally closed (NC)
Output typeNAMUR
Rated operating distance15 mm
Installationflush
Assured operating distance0 ... 12.15 mm
Actual operating distance13.5 ... 16.5 mm typ.
Reduction factor rAl 0.28
Reduction factor rCu 0.25
Reduction factor r304 0.75
Output type2-wire
Nominal ratings
Nominal voltage8 V
Switching frequency0 ... 400 Hz
Hysteresis1 ... 15 typ. 5 %
Reverse polarity protectionreverse polarity protected
Short-circuit protectionyes
Current consumption
Measuring plate not detectedmin. 3 mA
Measuring plate detected≤ 1 mA
Switching state indicatorLED, yellow
Functional safety related parameters
MTTFd1660 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 approval
Ordinary LocationE87056
Hazardous LocationE501628
Control drawing116-0451
CCC approvalCCC approval / marking not required for products rated ≤36 V
Ambient conditions
Ambient temperature-25 ... 100 °C (-13 ... 212 °F)
Storage temperature-40 ... 100 °C (-40 ... 212 °F)
Mechanical specifications
Connection typescrew terminals
Information for connectionA maximum of two conductors with the same core cross section may be mounted on one terminal connection!
tightening torque 1.2 Nm + 10 %
Core cross-sectionup to 2.5 mm2
Minimum core cross-sectionwithout wire end ferrule 0.5 mm2 , with connector sleeves 0.34 mm2
Maximum core cross-sectionwithout wire end ferrule 2.5 mm2 , with connector sleeves 1.5 mm2
Housing materialPA
Sensing facePA
Degree of protectionIP66 / IP68 / IP69K
Mass225 g
NoteTightening torque: 1.8 Nm (housing)
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 typeNBB15-U.K-N0...
ATEX certificatePTB 00 ATEX 2032 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 11.0021X
IECEx markingEx ia IIC T6...T1 Ga
StandardsIEC 60079-0:2011 , IEC 60079-11:2011
Effective internal capacitancemax. 110 nF
A cable length of 10 m is considered.
Effective internal inductancemax. 200 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 typeNBB15-U.K-N0...
ATEX certificatePTB 00 ATEX 2032 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 11.0021X
IECEx markingEx ia IIC T6...T1 Ga
StandardsIEC 60079-0:2011 , IEC 60079-11:2011
Effective internal capacitancemax. 110 nF
A cable length of 10 m is considered.
Effective internal inductancemax. 200 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. 110 nF
A cable length of 10 m is considered.
Effective internal inductancemax. 200 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 : 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 = 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 typeNBB15-U.K-N0...
ATEX certificatePTB 00 ATEX 2032 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 11.0021X
IECEx markingEx ia IIIC T135°C Da
StandardsIEC 60079-0:2011 , IEC 60079-11:2011
Effective internal capacitancemax. 110 nF
A cable length of 10 m is considered.
Effective internal inductancemax. 200 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 typeNBB15-U.K-N0...
IECEx certificateIECEx PTB 11.0021X
IECEx markingEx ia I Mb
StandardsIEC 60079-0:2011 , IEC 60079-11:2011
Effective internal capacitancemax. 110 nF
A cable length of 10 m is considered.
Effective internal inductancemax. 200 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: NBB15-U1K-N0

Instruction manualsLanguageFile TypeFile Size
ИнструкцииBULPDF158 KB
Návod k poużitíCZEPDF152 KB
Instruktions manualDANPDF150 KB
Instruction manualENGPDF154 KB
KasutusjuhendESTPDF145 KB
KäyttöohjeFINPDF146 KB
Manuel d'instructionsFRAPDF155 KB
BetriebsanleitungGERPDF155 KB
Οδηγίες χρήσηςGREPDF162 KB
HandleidingHOLPDF151 KB
Instruction manual / BetriebsanleitungHRVPDF149 KB
Használati útmutatóHUNPDF154 KB
Manuale di istruzioniITAPDF151 KB
Lietošanas pamācībaLAVPDF150 KB
Instrukciju vadovasLITPDF152 KB
Instrukcja obsługiPOLPDF154 KB
Manual de instruçõesPORPDF153 KB
Manual de utilizareRONPDF152 KB
Návod na poużitieSLKPDF152 KB
Navodila za uporaboSLVPDF149 KB
Manual de instruccionesSPAPDF152 KB
ManualSWEPDF148 KB
Technical information
technical information (TI)ENGPDF134 KB
technische Information (TI)GERPDF110 KB
warunki montażuPOLPDF221 KB

Approvals+Certificates: NBB15-U1K-N0

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-0591EPDF347 KB
Certificates
Canada USA CSA Ordinary Location1007121PDF99 KB
Canada USA UL Hazardous LocationE501628:1:1PDF405 KB
Canada USA UL Ordinary Location20171221-E87056PDF410 KB
EU PTB ATEX ia 2G, 1G, 1D s. certificatePTB 00 ATEX 2032 XPDF29293 KB
Europe Pepperl+Fuchs Certificate ATEX Category 3PF13CERT2895XPDF1101 KB
Worldwide PTB IECEx iaIECEx PTB 11.0021XLINK---
Control drawings
Control drawing UL / Control drawing UL   PDF294 KB

Associated Products: NBB15-U1K-N0

Accessories

Mounting aid for VariKont and +U1+ fa
Modular mounting bracket fa