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

$ 75.90

SKU NJ4-12GK-N Category

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 Specification

Switching function Normally closed (NC)
Output type NAMUR
Rated operating distance sn 4 mm
Installation non-flush
Assured operating distance sa 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 Uo 8.2 V (Ri approx. 1 kΩ)
Switching frequency f 0 … 1500 Hz
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 IEC 60947-5-2

Approvals and certificates

IECEx approval
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 Gb PTB 00 ATEX 2048 X
Equipment protection level Da PTB 00 ATEX 2048 X
UL approval cULus Listed, General Purpose
CCC approval
Hazardous Location 2020322315002255
CML 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 PBT
Sensing face PBT
Degree of protection IP66 / IP68
Cable
Cable diameter 4.8 mm ± 0.2 mm
Bending radius > 10 x cable diameter
Material PVC
Core cross section 0.34 mm2
Length L 2 m
Dimensions
Length 35 mm
Diameter 12 mm

General information

Scope of delivery Supplied with 2 nuts
Use in the hazardous area see instruction manuals

Additional information

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