Pepperl Fuchs NJ5-18GK-SN Data Sheet
Inductive sensor NJ5-18GK-SN
Technical Data
General specifications
Switching function Normally closed (NC)
Output type NAMUR with safety function
Rated operating distance sn5 mm
Installation flush
Assured operating distance sa0 ... 4.05 mm
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 Assessment" document which is available on
as an integral part
o entation.
Accessories
BF 18
Mounting flange, 18 mm
Reduction factor r
Reduction factor rCu 0.3
Reduction factor r
Safety Integrity Level (SIL) up to SIL3 acc. to IEC 61508 Danger! In safety-related applications
Output type 2-wire
Nominal ratings
Nominal voltage Uo8.2 V
Switching frequency f 0 ... 500 Hz
Current consumption
Measuring plate not detected
Measuring plate detected
Functional safety related parameters
Safety Integrity Level (SIL) SIL 3
MTTFd 11850 a
Mission Time (T
Diagnostic Coverage (DC) 0 %
Ambient conditions
Ambient temperature -40 ... 100 °C (-40 ... 212 °F)
Mechanical specifications
Connection type cable silicone , 2 m
Core cross-section 0.75 mm
Housing material Crastin (PBTB), black
Sensing face Crastin (PBTB), black
Degree of protection IP68
Cable
Bending radius
General information
Use in the hazardous area see instruction manuals
Compliance with standards and
directives
Standard conformity
NAMUR
Standards
Approvals and certificates
EAC conformity TR CU 012/2011
FM approval
Control drawing
UL approval cULus Listed, General Purpose
CCC approval CCC approval / marking not required for products rated ≤36 V
Dimensions
0.4
Al
0.85
304
) 20 a
M
the sensor must be operated with a qualified fail safe interface from
Pepperl+Fuchs, such as KFD2-SH-EX1.
Consider the "exida F ment" document
which is available on as an integral part of
this product's docume
≥ 3 mA
≤ 1 mA
2
> 10 x cable diameter
EN 60947-5-6:2000
IEC 60947-5-6:1999
EN 60947-5-2:2007
EN 60947-5-2/A1:2012
IEC 60947-5-2:2007
IEC 60947-5-2 AMD 1:2012
116-0165
Release date: 2018-04-19 08:22 Date of issue: 2018-04-19 250929_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
M18 x 1
4
24
1
39
35.5
1
Inductive sensor NJ5-18GK-SN
Electrical Connection
BN
BU
L+
L-
Release date: 2018-04-19 08:22 Date of issue: 2018-04-19 250929_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
2
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