Inductive sensor
NJ8-18GK-SN-10M
Technical Data
General specifications
Switching function
Normally closed (NC)
Output type
NAMUR with safety function
Rated operating distance
Installation
s
s
8 mm
n
non-flush
0 ... 6.48 mm
0.4
Assured operating distance
a
Reduction factor r
Reduction factor r
Reduction factor r
Al
Cu
304
0.3
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
Nominal ratings
2-wire
Nominal voltage
U
f
8.2 V
o
Switching frequency
0 ... 200 Hz
Current consumption
Measuring plate not detected
Measuring plate detected
0102
≥ 3 mA
≤ 1 mA
Functional safety related parameters
Safety Integrity Level (SIL)
SIL 3
11850 a
20 a
MTTF
d
Model Number
NJ8-18GK-SN-10M
Mission Time (T
)
M
Diagnostic Coverage (DC)
Ambient conditions
0 %
Ambient temperature
-40 ... 100 °C (-40 ... 212 °F)
cable silicone , 10 m
Features
Mechanical specifications
Connection type
Core cross-section
Housing material
Sensing face
•
•
•
8 mm non-flush
Usable up to SIL 3 acc. to IEC 61508
2
0.75 mm
Crastin (PBT), black
Crastin (PBT), black
IP68
ATEX approval Ex-i and Ex-nA/tc for
Degree of protection
Cable
zone 0-2 and zone 20-22
•
Degree of protection IP68
6 mm ± 0.2 mm
> 10 x cable diameter
Cable diameter
Bending radius
General information
Application
Use in the hazardous area
Compliance with standards and
directives
see instruction manuals
Danger!
In safety-related applications the
sensor must be operated with a
Standard conformity
NAMUR
EN 60947-5-6:2000
qualified fail safe interface from
IEC 60947-5-6:1999
EN 60947-5-2:2007
Standards
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.
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
116-0165
Control drawing
UL approval
cULus Listed, General Purpose
Accessories
E87056
Ordinary Location
Hazardous Location
Control drawing
CCC approval
BF 18
E501628
Mounting flange, 18 mm
116-0454
CCC approval / marking not required for products rated ≤36 V
Dimensions
M18 x 1
24
Refer to "General Notes Relating to Pepperl+Fuchs Product Information".
Pepperl+Fuchs Group
USA: +1 330 486 0001
Germany: +49 621 776 1111
Singapore: +65 6779 9091
1
www.pepperl-fuchs.com
fa-info@us.pepperl-fuchs.com
fa-info@de.pepperl-fuchs.com
fa-info@sg.pepperl-fuchs.com
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