Pepperl+Fuchs NBB20-U1K-N0

Inductive sensor
SKU: NBB20-U1K-N0
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The Inductive sensor from Pepperl+Fuchs is designed for reliable detection of metallic objects within a rated operating distance of 20 mm. Its robust PA housing and 2-wire output configuration make it suitable for various industrial applications.

All description
Manufacturer: Pepperl+Fuchs
Description:

The inductive proximity sensor family by Pepperl+Fuchs is engineered for non-contact detection of metallic objects, utilizing electromagnetic fields to sense the presence of metal within a specific range. These sensors are commonly integrated into automation systems, providing precise and reliable feedback for applications such as assembly line monitoring, packaging, and material handling.

Constructed with durable PA housing, these sensors are built to withstand harsh industrial environments. The 2-wire output type simplifies wiring and installation, allowing for flush mounting in confined spaces. Furthermore, with DC voltage compatibility and ATEX certification for use in explosive atmospheres, these sensors ensure safety and performance across a wide range of applications.

General specifications
Switching element function NAMUR, NC
Rated operating distance 20 mm
Installation flush
Output polarity NAMUR
Assured operating distance 0 … 16.2 mm
Reduction factor rAl 0.37
Reduction factor rCu 0.35
Reduction factor r304 0.79
Nominal ratings
Nominal voltage 8.2 V (Ri approx. 1 kOm)
Switching frequency 0 … 250 Hz
Hysteresis 1 … 15 typ. 5 %
Reverse polarity protection reverse polarity protected
Short-circuit protection yes
Current consumption
Measuring plate not detected greater or equal 3 mA
Measuring plate detected less than or equal to 1 mA
Switching state indicator LED, yellow
Compliance with standards and directives
Standard conformity
NAMUR EN 60947-5-6:2000
IEC 60947-5-6:1999
Electromagnetic compatibility NE 21:2007
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 … 100 �C (-13 … 212 �F)
Storage temperature -40 … 100 �C (-40 … 212 �F)
Mechanical specifications
Connection type screw terminals
Core cross-section less than or equal to 2.5 mm2
Housing material PA
Sensing face PA
Degree of protection IP66 / IP68 / IP69K
Mass 225 g
Note Tightening torque: 1.8 Nm (housing)
Tightening torque: 1.0 Nm (Screw terminal)
General information
Use in the hazardous area see instruction manuals
Category 1G- 2G- 3G
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