Pepperl+Fuchs NJ4-12GK-N-5M

Inductive sensor
SKU: NJ4-12GK-N-5M
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The inductive sensor series from Pepperl+Fuchs is designed to detect metallic objects without physical contact. With a cylindrical housing of 12 mm diameter, these sensors are ideal for a variety of automation applications.

All description
Manufacturer: Pepperl+Fuchs
Description:

Inductive proximity sensors are versatile devices used in numerous industrial applications to detect the presence of metallic objects. These sensors operate based on the principle of electromagnetic induction, providing reliable and accurate detection without the need for direct contact with the target object. The compact cylindrical design is especially suited for tight spaces, while the robust PBT housing ensures durability in demanding environments.

Common applications for inductive sensors include assembly line automation, packaging machinery, and robotic systems where precise object detection is essential. Their non-flush installation capability allows for easy integration into various equipment setups, while the 2-wire output type simplifies wiring and reduces installation complexity. Additionally, these sensors are suitable for DC voltage environments, making them adaptable for a wide range of industrial control systems.

General specifications
Switching element function NAMUR, NC
Rated operating distance 4 mm
Installation non-flush
Output polarity NAMUR
Assured operating distance 0 … 3.24 mm
Reduction factor rAl 0.4
Reduction factor rCu 0.3
Reduction factor r304 0.85
Nominal ratings
Nominal voltage 8 V
Switching frequency 0 … 1500 Hz
Current consumption
Measuring plate not detected min. 3 mA
Measuring plate detected less than or equal to 1 mA
Functional safety related parameters
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
Approvals and certificates
FM approval
Control drawing 116-0165F
UL approval cULus Listed, General Purpose
CSA approval cCSAus Listed, General Purpose
CCC approval CCC approval / marking not required for products rated less than or equal to 36 V
Ambient conditions
Ambient temperature -25 … 100 �C (-13 … 212 �F)
Mechanical specifications
Connection type cable PVC , 5 m
Core cross-section 0.34 mm2
Housing material PBT
Sensing face PBT
Housing diameter 12 mm
Degree of protection IP68
General information
Use in the hazardous area see instruction manuals
Category 2G- 1D
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