Pepperl Fuchs NJ4-12GK-N Data Sheet
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Inductive sensor |
NJ4-12GK-N |
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0102
Model Number
NJ4-12GK-N
Features
•4 mm non-flush
•Usable up to SIL 2 acc. to IEC 61508
Accessories
BF 12
Mounting flange, 12 mm
<![if ! IE]><![endif]>Release date: 2018-04-19 08:21 Date of issue: 2018-04-19 106413_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
Technical Data
General specifications |
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Normally closed (NC) |
Switching function |
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Output type |
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NAMUR |
Rated operating distance |
4 mm |
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Installation |
sa |
non-flush |
Assured operating distance |
0 ... 3.24 mm |
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Reduction factor rAl |
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0.4 |
Reduction factor rCu |
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0.3 |
Reduction factor r304 |
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0.85 |
Output type |
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2-wire |
Nominal ratings |
Uo |
8.2 V (Ri approx. 1 kΩ) |
Nominal voltage |
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Switching frequency |
f |
0 ... 1500 Hz |
Current consumption |
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≥ 3 mA |
Measuring plate not detected |
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Measuring plate detected |
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≤ 1 mA |
Functional safety related parameters |
SIL 2 |
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Safety Integrity Level (SIL) |
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MTTFd |
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11774 a |
Mission Time (TM) |
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20 a |
Diagnostic Coverage (DC) |
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0 % |
Ambient conditions |
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-25 ... 100 °C (-13 ... 212 °F) |
Ambient temperature |
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Mechanical specifications |
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cable PVC , 2 m |
Connection type |
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Core cross-section |
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0.34 mm2 |
Housing material |
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PBT |
Sensing face |
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PBT |
Degree of protection |
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IP66 / IP68 |
Cable |
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> 10 x cable diameter |
Bending radius |
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General information |
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see instruction manuals |
Use in the hazardous area |
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Compliance with standards and |
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directives |
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Standard conformity |
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EN 60947-5-6:2000 |
NAMUR |
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Standards |
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IEC 60947-5-6:1999 |
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EN 60947-5-2:2007 |
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EN 60947-5-2/A1:2012 |
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IEC 60947-5-2:2007 |
Approvals and certificates |
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IEC 60947-5-2 AMD 1:2012 |
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TR CU 012/2011 |
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EAC conformity |
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FM approval |
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116-0165 |
Control drawing |
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UL approval |
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cULus Listed, General Purpose |
CSA approval |
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cCSAus Listed, General Purpose |
CCC approval |
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CCC approval / marking not required for products rated ≤36 V |
Dimensions
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M12 x 1 |
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| <![if ! IE]> <![endif]>4 4 |
<![if ! IE]> <![endif]>30.5 |
<![if ! IE]> <![endif]>35 |
17
Electrical Connection
BN
L+
BU
L-
1
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Inductive sensor |
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NJ4-12GK-N |
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Data for application in connection with hazardous |
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areas |
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Equipment protection level |
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Gb , Da , Mb |
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Equipment protection level Gb |
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Type of protection |
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intrinsic safety |
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CE marking |
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0102 |
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Certificates |
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Appropriate type |
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NJ4-12GK-N... |
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ATEX certificate |
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PTB 00 ATEX 2048 X |
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ATEX marking |
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¬II 2G Ex ia IIC T6…T1 Gb |
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Standards |
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EN 60079-0:2012+A11:2013 , EN 60079-11:2012 |
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IECEx certificate |
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IECEx PTB 11.0037X |
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IECEx marking |
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Ex ia IIC T6 Ga |
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Standards |
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IEC 60079-0:2004 , IEC 60079-11:2006 |
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Effective internal inductivity |
Ci |
≤ 45 nF |
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A cable length of 10 m is considered. |
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Effective internal inductance |
Li |
≤ 50 H |
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A cable length of 10 m is considered. |
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Maximum permissible ambient temperature Tamb |
Also observe the maximum permissible ambient temperature stated in the general technical data. |
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Keep to the lower of the two values. |
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at Ui = 16 V , Ii = 25 mA , Pi = 34 mW , |
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T6 |
: 73 °C (163.4 °F) |
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T5 |
: 88 °C (190.4 °F) |
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T4 |
: 100 °C (212 °F) |
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T3 |
: 100 °C (212 °F) |
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T2 |
: 100 °C (212 °F) |
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T1 |
: 100 °C (212 °F) |
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at Ui = 16 V , Ii = 25 mA , Pi = 64 mW , |
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T6 |
: 69 °C (156.2 °F) |
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T5 |
: 84 °C (183.2 °F) |
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T4 |
: 100 °C (212 °F) |
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T3 |
: 100 °C (212 °F) |
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T2 |
: 100 °C (212 °F) |
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T1 |
: 100 °C (212 °F) |
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at Ui = 16 V , Ii = 52 mA , Pi = 169 mW , |
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T6 |
: 51 °C (123.8 °F) |
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T5 |
: 66 °C (150.8 °F) |
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T4 |
: 80 °C (176 °F) |
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T3 |
: 80 °C (176 °F) |
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T2 |
: 80 °C (176 °F) |
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T1 |
: 80 °C (176 °F) |
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at Ui = 16 V , Ii = 76 mA , Pi = 242 mW , |
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T6 |
: 39 °C (102.2 °F) |
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T5 |
: 54 °C (129.2 °F) |
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T4 |
: 61 °C (141.8 °F) |
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T3 |
: 61 °C (141.8 °F) |
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T2 |
: 61 °C (141.8 °F) |
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T1 |
: 61 °C (141.8 °F) |
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Equipment protection level Da
Type of protection |
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intrinsic safety |
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CE marking |
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0102 |
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Certificates |
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Appropriate type |
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NJ4-12GK-N... |
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ATEX certificate |
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PTB 00 ATEX 2048 X |
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ATEX marking |
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¬II 1D Ex ia IIIC T135°C Da |
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Standards |
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EN 60079-0:2012+A11:2013 , EN 60079-11:2012 |
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Effective internal inductivity |
Ci |
≤ 45 nF |
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A cable length of 10 m is considered. |
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Effective internal inductance |
Li |
≤ 50 H |
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A cable length of 10 m is considered. |
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Maximum permissible ambient temperature Tamb |
Also observe the maximum permissible ambient temperature stated in the general technical data. |
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Keep to the lower of the two values. |
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at Ui = 16 V , Ii |
= 25 mA , Pi = 34 mW : 100 °C (212 °F) |
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at Ui = 16 V , Ii |
= 25 mA , Pi = 64 mW : 100 °C (212 °F) |
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at Ui = 16 V , Ii |
= 52 mA , Pi = 169 mW : 80 °C (176 °F) |
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at Ui = 16 V , Ii |
= 76 mA , Pi = 242 mW : 61 °C (141.8 °F) |
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Equipment protection level Mb |
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Type of protection |
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intrinsic safety |
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Certificates |
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Appropriate type |
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NJ4-12GK-N... |
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IECEx certificate |
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IECEx PTB 11.0037X |
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IECEx marking |
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Ex ia I |
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Standards |
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IEC 60079-0:2004 , IEC 60079-11:2006 |
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Effective internal inductivity |
Ci |
≤ 45 nF |
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A cable length of 10 m is considered. |
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Effective internal inductance |
Li |
≤ 50 H |
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A cable length of 10 m is considered. |
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2 |
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”. |
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<![endif]>Release date: 2018-04-19 08:21 Date of issue: 2018-04-19 106413_eng.xml
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