Data Sheet

1
Inductive sensor NJ5-18GK-SN
Release date: 2019-05-16 06:55 Date of issue: 2019-05-16 250929_eng.xml
Germany: [phone]Pepperl+Fuchs Group
Refer to "General Notes Relating to Pepperl+Fuchs Product Information".
USA: [phone] Singapore: [phone]
www.pepperl-fuchs.com [e-mail] [e-mail]
[e-mail]
0102
Model Number
NJ5-18GK-SN
Features
•5 mm flush
• Usable up to SIL 3 acc. to IEC 61508
• ATEX approval Ex-i and Ex-nA/tc for
zone 0-2 and zone 20-22
• Degree of protection IP68
Application
Danger!
In safety-related applications the
sensor must be operated with a
qualified fail safe interface from
Pepperl+Fuchs, such as KFD2-SH-EX1.
Consider the "exida Functional Safety As-
sessment" document which is available on
www.pepperl-fuchs.com as an integral part
of this product’s documentation.
Accessories
BF 18
Mounting flange, 18 mm
Technical Data
General specifications
Switching function Normally closed (NC)
Output type NAMUR with safety function
Rated operating distance s
n
5 mm
Installation flush
Assured operating distance s
a
0 ... 4.05 mm
Reduction factor r
Al
0.4
Reduction factor r
Cu
0.3
Reduction factor r
304
0.85
Safety Integrity Level (SIL) up to SIL3 acc. to IEC 61508 Danger! In safety-related applications
the sensor must be operated with a qualified fail safe interface from
Pepperl+Fuchs, such as KFD2-SH-EX1.
Consider the "exida Functional Safety Assessment" document
which is available on www.pepperl-fuchs.com as an integral part of
this product's documentation.
Output type 2-wire
Nominal ratings
Nominal voltage U
o
8.2 V
Switching frequency f 0 ... 500 Hz
Current consumption
Measuring plate not detected
≥ 3 mA
Measuring plate detected
≤ 1 mA
Functional safety related parameters
Safety Integrity Level (SIL) SIL 3
MTTF
d
11850 a
Mission Time (T
M
) 20 a
Diagnostic Coverage (DC) 0 %
Ambient conditions
Ambient temperature -40 ... 100 °C (-40 ... 212 °F)
Mechanical specifications
Connection type cable silicone , 15 m
Core cross-section 0.75 mm
2
Housing material Crastin (PBT), black
Sensing face Crastin (PBT), black
Degree of protection IP68
Cable
Cable diameter
6 mm ± 0.2 mm
Bending radius
> 10 x cable diameter
General information
Use in the hazardous area see instruction manuals
Compliance with standards and
directives
Standard conformity
NAMUR
EN 60947-5-6:2000
IEC 60947-5-6:1999
Standards
EN 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 conformity TR CU 012/2011
FM approval
Control drawing
116-0165
UL approval cULus Listed, General Purpose
CCC approval CCC approval / marking not required for products rated ≤36 V
Dimensions
24
4
M18 x 1
1
35.5
39