NJ4-12GM-N – Inductive Sensor – PEPPERL+FUCHS Proximity Sensors

USD $ 44.10


PEPPERL+FUCHS Inductive proximity sensors are the preferred choice for the majority of applications requiring accurate, non-contact detection of metallic objects in machinery or automation equipment. As a pioneer and market leader, Pepperl+Fuchs offers innovative, high quality inductive sensors to meet the needs of the worldwide automation and process control markets. Our experience, flexibility and customer focus continues to allow us to offer custom designed solutions for the most unique and demanding applications.

General specifications
Switching function Normally closed (NC)
Output type NAMUR
Rated operating distance 4 mm
Installation non-flush
Assured operating distance 0 … 3.24 mm
Reduction factor rAl 0.4
Reduction factor rCu 0.3
Reduction factor r304 0.85
Output type 2-wire
Nominal ratings
Nominal voltage 8.2 V (Ri approx. 1 kΩ)
Switching frequency 0 … 1500 Hz
Hysteresis 3 %
Current consumption
Measuring plate not detected min. 3 mA
Measuring plate detected ≤ 1 mA
Functional safety related parameters
Safety Integrity Level (SIL) SIL 2
MTTFd 11774 a
Mission Time (TM) 20 a
Diagnostic Coverage (DC) 0 %
Compliance with standards and directives
Standard conformity
NAMUR EN 60947-5-6:2000
IEC 60947-5-6:1999
Standards EN 60947-5-2:2007
EN 60947-5-2/A1:2012
IEC 60947-5-2:2007
IEC 60947-5-2 AMD 1:2012
Approvals and certificates
IECEx approval
Equipment protection level Ga IECEx PTB 11.0037X
Equipment protection level Gb IECEx PTB 11.0037X
Equipment protection level Da IECEx PTB 11.0037X
Equipment protection level Mb IECEx PTB 11.0037X
ATEX approval
Equipment protection level Ga PTB 00 ATEX 2048 X
Equipment protection level Gb PTB 00 ATEX 2048 X
Equipment protection level Da PTB 00 ATEX 2048 X
UL approval cULus Listed, General Purpose
Ordinary Location E87056
Hazardous Location E501628
Control drawing 116-0452
CCC approval
Hazardous Location 2020322315002255
NEPSI approval
NEPSI certificate GYJ16.1393X
TIIS approval on request
ANZEx 18.3018X
KCC approval
Hazardous Location 19-AV4BO-0227
Marine approval DNVGL TAA00001A5
Ambient conditions
Ambient temperature -25 … 100 °C (-13 … 212 °F)
Mechanical specifications
Connection type cable
Housing material Stainless steel 1.4305 / AISI 303
Sensing face PBT
Degree of protection IP67
Cable diameter 4.8 mm ± 0.2 mm
Bending radius > 10 x cable diameter
Material PVC
Core cross section 0.34 mm2
Length 2 m
General information
Use in the hazardous area see instruction manuals


Associated Products: NJ2-12GM-N


Mounting flange, 12 mm

Dimensions 200 cm