Pepperl+Fuchs NJ4-12GM50-WS

Inductive sensor
SKU: NJ4-12GM50-WS
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The inductive sensors from Pepperl+Fuchs are designed for reliable detection of metallic objects without direct contact. With a cylindrical housing diameter of 12 mm and a rated operating distance of 4 mm, these sensors are suitable for various industrial applications.

All description
Manufacturer: Pepperl+Fuchs
Description:

Pepperl+Fuchs inductive proximity sensors are widely used in automation and control systems to detect the presence or absence of metallic objects. These sensors operate on the principle of electromagnetic induction, allowing them to function without physical contact, thereby reducing wear and tear in various applications. Their cylindrical design and stainless steel housing ensure durability and resistance to harsh environments, making them ideal for industrial usage.

Common applications of these sensors include position sensing in conveyor systems, object detection in manufacturing processes, and end-of-arm tooling in robotic applications. The non-flush installation and 2-wire output configuration further enhance their versatility, enabling seamless integration into existing systems. Operating on AC voltage, these sensors provide reliable performance in a range of conditions, ensuring accurate detection and enhanced operational efficiency.

General specifications
Switching element function AC NO
Rated operating distance 4 mm
Installation non-flush
Output polarity AC
Assured operating distance 0 … 3.24 mm
Reduction factor rAl 0.4
Reduction factor rCu 0.4
Reduction factor r304 0.7
Nominal ratings
Operating voltage 20 … 253 V
Switching frequency 0 … 20 Hz
Reverse polarity protection reverse polarity tolerant
Voltage drop typ. 4 V at 15 … 200 mA
typ. 6.5 V at 5 mA
Momentary current
(20 ms, 0.1 Hz)
0 … 1200 mA
Operating current 5 … 200 mA
Off-state current typ. 0.7 mA
Switching state indicator LED, yellow
Functional safety related parameters
MTTFd 1230 a
Mission Time (TM) 20 a
Diagnostic Coverage (DC) 0 %
Approvals and certificates
UL approval cULus Listed, General Purpose
CSA approval cCSAus Listed, General Purpose
CCC approval Certified by China Compulsory Certification (CCC)
Ambient conditions
Ambient temperature -25 … 70 �C (-13 … 158 �F)
Mechanical specifications
Connection type cable PVC , 2 m
Core cross-section 0.34 mm2
Housing material Stainless steel 1.4305 / AISI 303
Sensing face PBT
Housing diameter 12 mm
Degree of protection IP67
Note 1) In the temperature range below 0 �C, permissible operating voltage Ub 80…253 V
Safety fuse less than or equal to 0.8 A (quick-blow) according to IEC 60127-2 Sheet 1
Recommendation: after a short circuit, check that the device is functioning correctly.
General information
Scope of delivery 2 self locking nuts in scope of delivery
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