Pepperl Fuchs NJ25-50-N Data Sheet
Inductive sensor NJ25-50-N
Technical Data
General specifications
Switching function Normally closed (NC)
Output type NAMUR
Rated operating distance sn25 mm
Installation non-flush
Assured operating distance sa0 ... 20.25 mm
0102
Model Number
NJ25-50-N
Features
• 25 mm non-flush
Reduction factor r
Reduction factor rCu 0.3
Reduction factor r
Output type 2-wire
Nominal ratings
Nominal voltage Uo8.2 V (Ri approx. 1 kΩ)
Switching frequency f 0 ... 250 Hz
Current consumption
Measuring plate not detected
Measuring plate detected
Functional safety related parameters
MTTFd 10360 a
Mission Time (T
Diagnostic Coverage (DC) 0 %
Ambient conditions
Ambient temperature -25 ... 100 °C (-13 ... 212 °F)
Mechanical specifications
Connection type cable PVC , 2 m
Core cross-section 0.75 mm
Housing material PBT
Sensing face PBT
Degree of protection IP67
Cable
Bending radius
Mass 250 g
General information
Use in the hazardous area see instruction manuals
Category
Compliance with standards and
directives
Standard conformity
NAMUR
Standards
Approvals and certificates
FM approval
Control drawing
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
≥ 3 mA
≤ 1 mA
2
> 10 x cable diameter
2G
EN 60947-5-6:2000
IEC 60947-5-6:1999
EN 60947-5-2:2007
IEC 60947-5-2:2007
116-0165
Electrical Connection
BN
BU
40
5
82
50
65
4,5
L+
L-
Release date: 2017-05-30 10:37 Date of issue: 2018-02-16 106499_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
1
Inductive sensor NJ25-50-N
Equipment protection level Gb
CE marking 0102
ATEX marking ¬ II 2G Ex ia IIC T6…T1 Gb
Standards EN 60079-0:2012+A11:2013, EN 60079-11:2012
Appropriate type NJ 25-50-N...
Effective internal inductivity C
Effective internal inductance L
Maximum permissible ambient temperature T
Special conditions
Equipment protection level Da
CE marking 0102
ATEX marking ¬ II 1D Ex ia IIIC T135°C Da
Standards EN 60079-0:2012+A11:2013, EN 60079-11:2012
Appropriate type NJ 25-50-N...
Effective internal inductivity C
Effective internal inductance L
Special conditions
i
i
i
i
The Ex-related marking can also be printed on the enclosed label.
Ignition protection "Intrinsic safety"
Use is restricted to the following stated conditions
≤ 150 nF ; a cable length of 10 m is considered.
≤ 140 µH ; a cable length of 10 m is considered.
Details of the correlation between the type of circuit connected, the maximum permissible ambient temperature, the
amb
temperature class, and the effective internal reactance values can be found on the EU-type examination certificate.
The Ex-related marking can also be printed on the enclosed label.
Ignition protection "Intrinsic safety"
Use is restricted to the following stated conditions
≤ 150 µF
A cable length of 10 m is considered.
≤ 140 µH
A cable length of 10 m is considered.
Release date: 2017-05-30 10:37 Date of issue: 2018-02-16 106499_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
2
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