Pepperl Fuchs NJ6-22-SN-G Data Sheet
Inductive sensor NJ6-22-SN-G
Technical Data
General specifications
Switching function Normally closed (NC)
Output type NAMUR with safety function
Rated operating distance sn6 mm
Installation flush
Assured operating distance sa0 ... 4.86 mm
0102
Model Number
NJ6-22-SN-G
Features
•6 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.
Reduction factor r
Reduction factor rCu 0.3
Reduction factor r
Output type 2-wire
Nominal ratings
Nominal voltage Uo8.2 V
Switching frequency f 0 ... 2000 Hz
Suitable for 2:1 technology yes , with reverse polarity protection diode
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 stainless steel (303/1.4305)
Sensing face Valox (PBT) , green
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
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
≥ 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: 2017-11-06 13:56 Date of issue: 2017-11-06 250957_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
Electrical Connection
BN
BU
Pg 21
5
35
36
L+
L-
1
Inductive sensor NJ6-22-SN-G
Data for application in connection with hazardous
areas
Equipment protection level Ga , Gb , Gc (nA) , Da , Dc , Mb
Equipment protection level Ga
Type of protection intrinsic safety
CE marking 0102
Certificates
Appropriate type
ATEX certificate
ATEX marking
Standards
IECEx certificate
IECEx marking
Standards
Effective internal inductivity C
Effective internal inductance L
i
i
Maximum permissible ambient temperature T
for ATEX
for IECEx
NJ 6-22-SN-G...
PTB 00 ATEX 2049 X
¬ II 1G Ex ia IIC T6...T1 Ga
EN 60079-0:2012+A11:2013 , EN 60079-11:2012
IECEx PTB 11.0092X
Ex ia IIC T6...T1 Ga
IEC 60079-0:2011 , IEC 60079-11:2011
≤ 110 nF
A cable length of 10 m is considered.
≤ 150 µH
A cable length of 10 m is considered.
Also observe the maximum permissible ambient temperature stated in the general technical data.
amb
Keep to the lower of the two values.
= 16 V , Ii = 25 mA , Pi = 34 mW ,
at U
i
T6 : 59 °C (138.2 °F)
T5 : 71 °C (159.8 °F)
T4 : 99 °C (210.2 °F)
T3 : 99 °C (210.2 °F)
T2 : 99 °C (210.2 °F)
T1 : 99 °C (210.2 °F)
at U
= 16 V , Ii = 25 mA , Pi = 64 mW ,
i
T6 : 56 °C (132.8 °F)
T5 : 68 °C (154.4 °F)
T4 : 96 °C (204.8 °F)
T3 : 96 °C (204.8 °F)
T2 : 96 °C (204.8 °F)
T1 : 96 °C (204.8 °F)
at U
= 16 V , Ii = 52 mA , Pi = 169 mW ,
i
T6 : 45 °C (113 °F)
T5 : 57 °C (134.6 °F)
T4 : 81 °C (177.8 °F)
T3 : 81 °C (177.8 °F)
T2 : 81 °C (177.8 °F)
T1 : 81 °C (177.8 °F)
at U
= 16 V , Ii = 76 mA , Pi = 242 mW ,
i
T6 : 37 °C (98.6 °F)
T5 : 49 °C (120.2 °F)
T4 : 63 °C (145.4 °F)
T3 : 63 °C (145.4 °F)
T2 : 63 °C (145.4 °F)
T1 : 63 °C (145.4 °F)
at Ui = 16 V , Ii = 25 mA , Pi = 34 mW ,
T6 : 76 °C (168.8 °F)
T5 : 91 °C (195.8 °F)
T4 : 100 °C (212 °F)
T3 : 100 °C (212 °F)
T2 : 100 °C (212 °F)
T1 : 100 °C (212 °F)
at U
= 16 V , Ii = 25 mA , Pi = 64 mW ,
i
T6 : 73 °C (163.4 °F)
T5 : 88 °C (190.4 °F)
T4 : 100 °C (212 °F)
T3 : 100 °C (212 °F)
T2 : 100 °C (212 °F)
T1 : 100 °C (212 °F)
at U
= 16 V , Ii = 52 mA , Pi = 169 mW ,
i
T6 : 62 °C (143.6 °F)
T5 : 77 °C (170.6 °F)
T4 : 81 °C (177.8 °F)
T3 : 81 °C (177.8 °F)
T2 : 81 °C (177.8 °F)
T1 : 81 °C (177.8 °F)
at U
= 16 V , Ii = 76 mA , Pi = 242 mW ,
i
T6 : 54 °C (129.2 °F)
T5 : 63 °C (145.4 °F)
T4 : 63 °C (145.4 °F)
T3 : 63 °C (145.4 °F)
T2 : 63 °C (145.4 °F)
T1 : 63 °C (145.4 °F)
Release date: 2017-11-06 13:56 Date of issue: 2017-11-06 250957_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
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