
Inductive sensor NJ40-FP-SN-P1
Technical Data
General specifications
Switching function Normally closed (NC)
Output type NAMUR with safety function
Rated operating distance sn40 mm
Installation non-flush
Assured operating distance sa0 ... 32.4 mm
0102
Model Number
NJ40-FP-SN-P1
Features
• 40 mm non-flush
• Usable up to SIL 3 acc. to IEC 61508
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
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 (Ri approx. 1 kΩ)
Switching frequency f 0 ... 100 Hz
Current consumption
Measuring plate not detected
Measuring plate detected
Functional safety related parameters
Safety Integrity Level (SIL) SIL 3
MTTFd 7560 a
Mission Time (T
Diagnostic Coverage (DC) 0 %
Ambient conditions
Ambient temperature -40 ... 100 °C (-40 ... 212 °F)
Mechanical specifications
Connection type screw terminals
Core cross-section up to 2.5 mm
Housing material PBT
Sensing face PBT
Degree of protection IP68
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
UL approval cULus Listed, General Purpose
CSA approval cCSAus 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
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
ø 9.5
40
M20 x 1.5
11
80
65
65
7
ø 5.3
Release date: 2018-04-19 08:20 Date of issue: 2018-04-19 106696_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
1

Inductive sensor NJ40-FP-SN-P1
Electrical Connection
1
2
L+
L-
Release date: 2018-04-19 08:20 Date of issue: 2018-04-19 106696_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
2

Inductive sensor NJ40-FP-SN-P1
Data for application in connection with hazardous
areas
Equipment protection level Gb , Da , Mb
Equipment protection level Gb
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
Equipment protection level Da
Type of protection intrinsic safety
CE marking 0102
NJ 40-FP-SN...
PTB 00 ATEX 2049 X
¬ II 2G Ex ia IIC T6…T1 Gb
EN 60079-0:2012+A11:2013 , EN 60079-11:2012
IECEx PTB 11.0092X
Ex ia IIC T6...T1 Gb
IEC 60079-0:2011 , IEC 60079-11:2011
≤ 370 nF
A cable length of 10 m is considered.
≤ 300 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.
at U
= 16 V , Ii = 25 mA , Pi = 34 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 = 25 mA , Pi = 64 mW ,
i
T6 : 66 °C (150.8 °F)
T5 : 81 °C (177.8 °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 = 52 mA , Pi = 169 mW ,
i
T6 : 45 °C (113 °F)
T5 : 60 °C (140 °F)
T4 : 89 °C (192.2 °F)
T3 : 89 °C (192.2 °F)
T2 : 89 °C (192.2 °F)
T1 : 89 °C (192.2 °F)
at U
= 16 V , Ii = 76 mA , Pi = 242 mW ,
i
T6 : 30 °C (86 °F)
T5 : 45 °C (113 °F)
T4 : 74 °C (165.2 °F)
T3 : 74 °C (165.2 °F)
T2 : 74 °C (165.2 °F)
T1 : 74 °C (165.2 °F)
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
NJ 40-FP-SN...
PTB 00 ATEX 2049 X
¬ II 1D Ex ia IIIC T135°C Da
EN 60079-0:2012+A11:2013 , EN 60079-11:2012
IECEx PTB 11.0092X
Ex ia IIIC T135°C Da
IEC 60079-0:2011 , IEC 60079-11:2011
≤ 370 nF
A cable length of 10 m is considered.
≤ 300 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.
at U
= 16 V , Ii = 25 mA , Pi = 34 mW : 100 °C (212 °F)
i
at U
= 16 V , Ii = 25 mA , Pi = 64 mW : 100 °C (212 °F)
i
at U
= 16 V , Ii = 52 mA , Pi = 169 mW : 89 °C (192.2 °F)
i
at U
= 16 V , Ii = 76 mA , Pi = 242 mW : 74 °C (165.2 °F)
i
Equipment protection level Mb
Type of protection intrinsic safety
Certificates
Appropriate type
IECEx certificate
IECEx marking
Standards
Effective internal inductivity C
Effective internal inductance L
Release date: 2018-04-19 08:20 Date of issue: 2018-04-19 106696_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
i
i
NJ 40-FP-SN...
IECEx PTB 11.0092X
Ex ia I Mb
IEC 60079-0:2011 , IEC 60079-11:2011
≤ 370 nF
A cable length of 10 m is considered.
≤ 300 µH
A cable length of 10 m is considered.
3

Inductive sensor NJ40-FP-SN-P1
Maximum permissible ambient temperature T
Also observe the maximum permissible ambient temperature stated in the general technical data.
amb
Keep to the lower of the two values.
at U
= 16 V , Ii = 25 mA , Pi = 34 mW : 100 °C (212 °F)
i
at U
= 16 V , Ii = 25 mA , Pi = 64 mW : 100 °C (212 °F)
i
at U
= 16 V , Ii = 52 mA , Pi = 169 mW : 89 °C (192.2 °F)
i
at U
= 16 V , Ii = 76 mA , Pi = 242 mW : 74 °C (165.2 °F)
i
Release date: 2018-04-19 08:20 Date of issue: 2018-04-19 106696_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
4