Pepperl+Fuchs NJ20+U1+W

Inductive sensor
SKU: NJ20+U1+W
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The Inductive sensor from the VariKont series is designed for reliable detection of metallic objects within a specified range. With a rated operating distance of 20 mm, this sensor operates using an AC Make/Break function, ensuring efficient performance in various applications.

All description
Manufacturer: Pepperl+Fuchs
Description:

Inductive proximity sensors are essential components in automation and industrial applications, providing non-contact detection of metallic objects. The Pepperl+Fuchs Inductive Proximity Sensors are engineered for high reliability and durability, featuring robust PBT housing materials that withstand harsh environments. Their 2-wire output configuration simplifies installation and integration into existing systems, making them suitable for a range of operational setups.

Common applications for these sensors include position detection, object counting, and safety monitoring across manufacturing lines and assembly systems. The non-embeddable design ensures that the sensors can be mounted externally, allowing for easier access and maintenance. With the capability to operate under alternating current, these sensors are versatile for various industrial environments, enhancing process efficiency and safety.

General specifications
Switching element function AC NO/NC
Rated operating distance 20 mm
Installation non-flush
Output polarity AC
Assured operating distance 0 … 16.2 mm
Reduction factor rAl 0.35
Reduction factor rCu 0.35
Reduction factor r304 0.8
Nominal ratings
Operating voltage 20 … 253 V 1)
Switching frequency 0 … 20 Hz
Hysteresis 1 … 10 typ. 5 %
Voltage drop less than or equal to 5 V
Momentary current
(20 ms, 0.1 Hz)
0 … 3000 mA
Operating current 8 … 500 mA
Off-state current 0.5 … 1.95 mA typ. 1.2 mA
Operating voltage indicator LED, green
Switching state indicator LED, yellow
Approvals and certificates
CCC approval Certified by China Compulsory Certification (CCC)
Ambient conditions
Ambient temperature -25 … 70 �C (-13 … 158 �F)
Storage temperature -25 … 85 �C (-13 … 185 �F)
Mechanical specifications
Core cross-section up to 2.5 mm2
Housing material PBT
Sensing face PBT
Degree of protection IP68
Note 1) In the temperature range below 0 �C, permissible operating voltage Ub 80…253 V
Safety fuse less than or equal to 2 A (quick-blow) according to IEC 60127-2 Sheet 1
Recommendation: after a short circuit, check that the device is functioning correctly.
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