Serviceline
Serviceline Industrial Sensors
Serviceline Explosion Protection

Inductive sensor NJ2-11-N

NJ2-11-N
  • 2 mm flush
  • 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 NJ2-11-N

General specifications
Switching functionNormally closed (NC)
Output typeNAMUR
Rated operating distance2 mm
Installationflush
Assured operating distance0 ... 1.62 mm
Actual operating distance1.8 ... 2.2 mm
Reduction factor rAl 0.4
Reduction factor rCu 0.3
Reduction factor r304 0.85
Output type2-wire
Nominal ratings
Nominal voltage8.2 V (Ri approx. 1 kΩ)
Switching frequency0 ... 3000 Hz
Hysteresis0.5 ... 3.5 typ. 2 %
Current consumption
Measuring plate not detectedmin. 3 mA
Measuring plate detected≤ 1 mA
Functional safety related parameters
Safety Integrity Level (SIL)SIL 2
MTTFd5887 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
FM approval
Control drawing116-0165
UL approvalcULus 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 typecable PVC , 2 m
Core cross-section0.34 mm2
Housing materialPVDF
Sensing facePVDF
Degree of protectionIP68
Cable
Bending radius> 10 x cable diameter
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 typeNJ 2-11-N...
ATEX certificatePTB 00 ATEX 2048 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 11.0037X
IECEx markingEx ia IIC T6...T1 Ga
StandardsIEC 60079-0:2011 , IEC 60079-11:2011
Effective internal capacitancemax. 45 nF
A cable length of 10 m is considered.
Effective internal inductancemax. 50 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 : 55 °C (131 °F)
T5 : 67 °C (152.6 °F)
T4 : 95 °C (203 °F)
T3 : 95 °C (203 °F)
T2 : 95 °C (203 °F)
T1 : 95 °C (203 °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 typeNJ 2-11-N...
ATEX certificatePTB 00 ATEX 2048 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 11.0037X
IECEx markingEx ia IIC T6...T1 Ga
StandardsIEC 60079-0:2011 , IEC 60079-11:2011
Effective internal capacitancemax. 45 nF
A cable length of 10 m is considered.
Effective internal inductancemax. 50 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. 45 nF
A cable length of 10 m is considered.
Effective internal inductancemax. 50 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 : 55 °C (131 °F)
T5 : 55 °C (131 °F)
T4 : 55 °C (131 °F)
T3 : 55 °C (131 °F)
T2 : 55 °C (131 °F)
T1 : 55 °C (131 °F)
at Ui = 20 V , Ii = 25 mA , Pi = 64 mW ,
T6 : 55 °C (131 °F)
T5 : 55 °C (131 °F)
T4 : 55 °C (131 °F)
T3 : 55 °C (131 °F)
T2 : 55 °C (131 °F)
T1 : 55 °C (131 °F)
at Ui = 20 V , Ii = 52 mA , Pi = 169 mW ,
T6 : 35 °C (95 °F)
T5 : 35 °C (95 °F)
T4 : 35 °C (95 °F)
T3 : 35 °C (95 °F)
T2 : 35 °C (95 °F)
T1 : 35 °C (95 °F)
at Ui = 20 V , Ii = 76 mA , Pi = 242 mW ,
T6 : 20 °C (68 °F)
T5 : 20 °C (68 °F)
T4 : 20 °C (68 °F)
T3 : 20 °C (68 °F)
T2 : 20 °C (68 °F)
T1 : 20 °C (68 °F)
Equipment protection level Da
Type of protectionintrinsic safety
CE marking[*PD-Z02585A*]
Certificates
Appropriate typeNJ 2-11-N...
ATEX certificatePTB 00 ATEX 2048 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 11.0037X
IECEx markingEx ia IIIC T135°C Da
StandardsIEC 60079-0:2011 , IEC 60079-11:2011
Effective internal capacitancemax. 45 nF
A cable length of 10 m is considered.
Effective internal inductancemax. 50 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 typeNJ 2-11-N...
IECEx certificateIECEx PTB 11.0037X
IECEx markingEx ia I Mb
StandardsIEC 60079-0:2011 , IEC 60079-11:2011
Effective internal capacitancemax. 45 nF
A cable length of 10 m is considered.
Effective internal inductancemax. 50 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: NJ2-11-N

Instruction manualsLanguageFile TypeFile Size
ИнструкцииBULPDF141 KB
Návod k poużitíCZEPDF134 KB
Instruktions manualDANPDF133 KB
Instruction manualENGPDF140 KB
KasutusjuhendESTPDF129 KB
KäyttöohjeFINPDF0 KB
Manuel d'instructionsFRAPDF0 KB
BetriebsanleitungGERPDF141 KB
Οδηγίες χρήσηςGREPDF2 KB
HandleidingHOLPDF0 KB
Instruction manual / BetriebsanleitungHRVPDF0 KB
Használati útmutatóHUNPDF0 KB
Manuale di istruzioniITAPDF0 KB
Lietošanas pamācībaLAVPDF133 KB
Instrukciju vadovasLITPDF0 KB
Instrukcja obsługiPOLPDF137 KB
Manual de instruçõesPORPDF0 KB
Manual de utilizareRONPDF135 KB
Návod na poużitieSLKPDF135 KB
Navodila za uporaboSLVPDF132 KB
Manual de instruccionesSPAPDF136 KB
ManualSWEPDF132 KB

Approvals+Certificates: NJ2-11-N

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-Konformitätserklärung DOC-3776PDF347 KB
Certificates
Canada USA UL Ordinary Location20170306-E87056PDF407 KB
EU PTB ATEX ia 2G, 1G, 1D s. certificatePTB 00 ATEX 2048 XPDF29071 KB
Europe Pepperl+Fuchs Certificate ATEX Category 3PF13CERT2895XPDF1101 KB
Pepperl+Fuchs Declaration of Conformity Functional SafetyPF18CERT4807PDF316 KB
Worldwide PTB IECEx iaIECEx PTB 11.0037XLINK---
Control drawings
Control Drawing FM / Control Drawing FM   PDF686 KB

Associated Products: NJ2-11-N

Accessories
Mounting flange, 11 mmfa