
Inductive sensor NJ15-M1K-N
Technical Data
General specifications
Switching function Normally closed (NC)
Output type NAMUR
Rated operating distance sn15 mm
Installation non-flush
Assured operating distance sa0 ... 12.15 mm
0102
Model Number
NJ15-M1K-N
Features
• Comfort series
• 15 mm non-flush
Reduction factor r
Reduction factor rCu 0.4
Reduction factor r
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
Switching state indicator LED, yellow
Ambient conditions
Ambient temperature -25 ... 100 °C (-13 ... 212 °F)
Mechanical specifications
Connection type screw terminals
Information for connection A maximum of two conductors with the same core cross section
Core cross-section up to 2.5 mm
Minimum core cross-section
Maximum core cross-section
Housing material PBT
Sensing face PBT
Degree of protection IP67
General information
Use in the hazardous area see instruction manuals
Compliance with standards and
directives
Standard conformity
NAMUR
Electromagnetic compatibility
Standards
Approvals and certificates
UL approval cULus Listed, General Purpose
Dimensions
0.45
Al
0.8
304
≥ 3 mA
≤ 1 mA
may be mounted on one terminal connection!
tightening torque 1.2 Nm + 10 %
without wire end ferrule 0.5 mm2 , with connector sleeves 0.34 mm
without wire end ferrule 2.5 mm
EN 60947-5-6:2000
IEC 60947-5-6:1999
NE 21:2012
EN 60947-5-2:2007
EN 60947-5-2/A1:2012
IEC 60947-5-2:2007
IEC 60947-5-2 AMD 1:2012
2
2
, with connector sleeves 1.5 mm
2
2
Release date: 2017-12-08 15:04 Date of issue: 2017-12-08 306793_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
30
Electrical Connection
15
LED
30
41
1
2
20/22
4,3x5,3
M16x1,5
91
L+
L-
1

Inductive sensor NJ15-M1K-N
Data for application in connection with hazardous
areas
Equipment protection level Ga , Gb , Da , 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
NJ15-M1.-N...
PTB 00 ATEX 2032 X
¬ II 1G Ex ia IIC T6...T1 Ga
EN 60079-0:2012+A11:2013 , EN 60079-11:2012
IECEx PTB 11.0021X
Ex ia IIC T6 Ga
IEC 60079-0:2004 , IEC 60079-11:2006 , IEC 60079-26:2006
≤ 140 nF
A cable length of 10 m is considered.
≤ 100 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 : 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 = 25 mA , Pi = 64 mW ,
i
T6 : 49 °C (120.2 °F)
T5 : 61 °C (141.8 °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 = 52 mA , Pi = 169 mW ,
i
T6 : 28 °C (82.4 °F)
T5 : 40 °C (104 °F)
T4 : 68 °C (154.4 °F)
T3 : 68 °C (154.4 °F)
T2 : 68 °C (154.4 °F)
T1 : 68 °C (154.4 °F)
at U
= 16 V , Ii = 76 mA , Pi = 242 mW ,
i
T6 : 13 °C (55.4 °F)
T5 : 25 °C (77 °F)
T4 : 53 °C (127.4 °F)
T3 : 53 °C (127.4 °F)
T2 : 53 °C (127.4 °F)
T1 : 53 °C (127.4 °F)
at Ui = 16 V , Ii = 25 mA , Pi = 34 mW ,
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 = 25 mA , Pi = 64 mW ,
i
T6 : 49 °C (120.2 °F)
T5 : 61 °C (141.8 °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 = 52 mA , Pi = 169 mW ,
i
T6 : 28 °C (82.4 °F)
T5 : 40 °C (104 °F)
T4 : 68 °C (154.4 °F)
T3 : 68 °C (154.4 °F)
T2 : 68 °C (154.4 °F)
T1 : 68 °C (154.4 °F)
at U
= 16 V , Ii = 76 mA , Pi = 242 mW ,
i
T6 : 13 °C (55.4 °F)
T5 : 25 °C (77 °F)
T4 : 53 °C (127.4 °F)
T3 : 53 °C (127.4 °F)
T2 : 53 °C (127.4 °F)
T1 : 53 °C (127.4 °F)
Release date: 2017-12-08 15:04 Date of issue: 2017-12-08 306793_eng.xml
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
2