Pepperl+Fuchs NBB20-U1-E2

Inductive sensor
SKU: NBB20-U1-E2
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The Inductive sensor is designed for reliable detection of metallic objects in various industrial applications. With high precision and durability, it is ideal for automation processes that require accurate sensing capabilities.

All description
Manufacturer: Pepperl+Fuchs
Description:

Inductive proximity sensors are essential devices in automation technology, designed to detect the presence of metallic objects without direct contact. These sensors operate based on the principle of electromagnetic induction, allowing them to function in a variety of challenging environments, where mechanical switches may fail. They are commonly used in applications such as material handling, machine automation, and assembly lines.

These sensors provide several advantages, including high switching frequencies, long operational life, and resistance to environmental factors such as dust and moisture. They can be integrated into various systems for non-contact detection, offering flexibility in installation and use. Typical applications include position sensing, end-of-stroke detection, and counting tasks in industrial machinery.

General specifications
Switching element function PNP 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. 0.01 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 1460 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 max. 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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