Pepperl+Fuchs NBN40-U4-A2

Inductive sensor
SKU: NBN40-U4-A2
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The inductive sensors from Pepperl+Fuchs are designed for reliable detection of metallic objects in various industrial applications. With a robust housing and a rated operating distance of 40 mm, these sensors provide high performance in demanding environments.

All description
Manufacturer: Pepperl+Fuchs
Description:

Pepperl+Fuchs’ inductive proximity sensors are essential components in automation and control systems, designed to detect the presence of metallic objects without direct contact. These sensors utilize electromagnetic fields to sense changes in proximity, making them ideal for applications where contactless operation is critical. Their robust construction, featuring a combination of PA and metal with epoxy powder coating, ensures durability in harsh environments.

The sensors are particularly suited for use in manufacturing processes, material handling, and machine automation. They provide precise detection capabilities, which help enhance safety and efficiency in operational workflows. These sensors are typically installed in non-flush configurations, allowing for straightforward integration into existing systems. The 4-wire output configuration and screw terminal connection facilitate easy wiring and installation.

General specifications
Switching element function PNP NO/NC
Rated operating distance 40 mm
Installation non-flush
Output polarity DC
Assured operating distance 0 … 32.4 mm
Reduction factor rAl 0.31
Reduction factor rCu 0.3
Reduction factor r304 0.74
Reduction factor rBrass 0.39
Nominal ratings
Operating voltage 10 … 30 V DC
Switching frequency 0 … 150 Hz
Hysteresis typ. 5 %
Reverse polarity protection reverse polarity protected
Short-circuit protection pulsing
Voltage drop less than or equal to 2 V
Operating current 0 … 200 mA
Off-state current 0 … 0.5 mA
No-load supply current less than or equal to 20 mA
Operating voltage indicator LED, green
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
CCC approval CCC approval / marking not required for products rated less than or equal to 36 V
Ambient conditions
Ambient temperature -25 … 85 �C (-13 … 185 �F)
Mechanical specifications
Connection type screw terminals
Core cross-section max. 2.5 mm2
Housing material PA/metal with epoxy powder coating
Sensing face PA
Housing diameter
Degree of protection IP68 / IP69K
Mass 225 g
Note Tightening torque: 1.8 Nm (housing)
Tightening torque: 1.0 Nm (Screw terminal)
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