Pepperl Fuchs NJ4-12GK-SN Data Sheet
Inductive sensor NJ4-12GK-SN
Technical Data
General specifications
Switching function Normally closed (NC)
Output type NAMUR with safety function
Rated operating distance sn4 mm
Installation non-flush
Assured operating distance sa0 ... 3.24 mm
0102
Model Number
NJ4-12GK-SN
Features
• 4 mm non-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 12
Mounting flange, 12 mm
EXG-12
Quick mounting bracket with dead stop
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 ... 1500 Hz
Current consumption
Measuring plate not detected
Measuring plate detected
Functional safety related parameters
Safety Integrity Level (SIL) SIL 3
MTTFd 10660 a
Mission Time (T
Diagnostic Coverage (DC) 0 %
Ambient conditions
Ambient temperature -50 ... 100 °C (-58 ... 212 °F)
Mechanical specifications
Connection type cable silicone , 2 m
Core cross-section 0.34 mm
Housing material Crastin (PBTB), black
Sensing face Crastin (PBTB), black
Degree of protection IP68
Cable
Bending radius
Note Security relevant only up to -40°C
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
Safety application: -40 ... 100°C
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 08:21 Date of issue: 2018-04-19 250927_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
44
17
M12 x 1
30.5
35
1
Inductive sensor NJ4-12GK-SN
Electrical Connection
BN
BU
L+
L-
Release date: 2018-04-19 08:21 Date of issue: 2018-04-19 250927_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
2
Loading...