Pepperl+Fuchs NJ2-12GK-SN

Inductive sensor
SKU: NJ2-12GK-SN
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The inductive sensor features a cylindrical design with a housing diameter of 12 mm and is constructed from durable PP material. It offers a rated operating distance of 2 mm and is equipped with a 2-wire output type for reliable DC voltage applications.

All description
Manufacturer: Pepperl+Fuchs
Description:

Inductive proximity sensors are essential components in automation and control systems, widely used for non-contact detection of metallic objects. These sensors operate on the principle of electromagnetic induction, allowing them to detect the presence of metal without physical contact. Their robust design and reliable performance make them suitable for a variety of industrial environments.

The cylindrical type sensors are particularly favored in applications requiring compact solutions, such as assembly lines, packaging machinery, and conveyor systems. Their flush installation capability enables integration into existing machinery while minimizing the risk of mechanical damage. Common applications include position sensing, object counting, and end-of-travel detection.

Designed for efficiency, these sensors are equipped with features such as a silicone cable connection and a rated operating distance that ensures precise detection. Their ability to withstand harsh conditions makes them an ideal choice for industries ranging from manufacturing to logistics.

General specifications
Switching element function NAMUR, NC
Rated operating distance 2 mm
Installation flush
Output polarity Safety Function
Assured operating distance 0 … 1.62 mm
Reduction factor rAl 0.4
Reduction factor rCu 0.3
Reduction factor r304 0.85
Safety Integrity Level (SIL) up to SIL3 acc. to IEC 61508 Danger! In safety-related applications the sensor must be operated with a qualified fail safe interface from Pepperl+Fuchs, such as KFD2-SH-EX1.
Consider the exida Functional Safety Assessment document which is available on www.PEPPERL+FUCHS.com as an integral part of this product’s documentation.
Nominal ratings
Nominal voltage 8 V DC
Operating voltage 5 … 25 V 1)
Switching frequency 0 … 2000 Hz
Suitable for 2:1 technology yes , with reverse polarity protection diode
Current consumption
Measuring plate not detected greater or equal 3 mA
Measuring plate detected less than or equal to 1 mA
Functional safety related parameters
MTTFd 7660 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 -40 … 100 °C (-40 … 212 °F)
Mechanical specifications
Connection type cable silicone , 2 m
Core cross-section 0.34 mm2
Housing material PP
Sensing face PP
Housing diameter 12 mm
Degree of protection IP68
General information
Use in the hazardous area see instruction manuals
Category 1G- 2G- 1D
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