Pepperl+Fuchs NBB20-U1-E0

Inductive sensor
SKU: NBB20-U1-E0
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The Inductive sensor from Pepperl+Fuchs is designed for reliable detection of metallic objects within a specified range. It features robust housing made from PA/metal with epoxy powder coating, ensuring durability in various environments.

All description
Manufacturer: Pepperl+Fuchs
Description:

Inductive proximity sensors are widely utilized in industrial automation for non-contact detection of metallic objects. These sensors operate on the principle of electromagnetic induction, allowing them to detect changes in the electromagnetic field caused by nearby metal. The VariKont series offers a range of sensors suitable for flush installation, making them ideal for applications requiring space-saving solutions.

Common applications for inductive proximity sensors include position detection, object counting, and safety applications in conveyor systems. Their ability to function in harsh environments, combined with a DC voltage supply, makes them suitable for a variety of sectors including manufacturing, packaging, and logistics. These sensors are designed for quick and easy installation using screw terminals, facilitating seamless integration into existing systems.

General specifications
Switching element function NPN NO
Rated operating distance 20 mm
Installation flush
Output polarity DC
Assured operating distance 0 … 16.2 mm
Reduction factor rAl 0.33
Reduction factor rCu 0.31
Reduction factor r304 0.74
Reduction factor rBrass 0.41
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 typ. 0.1 mA at 25 �C
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 1510 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 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 up to 2.5 mm2
Housing material PA/metal with epoxy powder coating
Sensing face PA
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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