Pepperl+Fuchs NBB20-U1K-N0
Inductive sensor

Pepperl+Fuchs NBB20-U1K-N0
Series: VariKont ®, Housing material: PA, Rated operating distance: 20 mm, Connection type: screw terminals, Output type: 2-wire, Installation: flush, Type of voltage: DC, ATEX 3G
Item Number: NBB20-U1K-N0
96.41
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Total price: 96.41
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General specifications
Switching element functionNAMUR, NC
Rated operating distance20 mm
Installationflush
Output polarityNAMUR
Assured operating distance0 ... 16.2 mm
Reduction factor rAl 0.37
Reduction factor rCu 0.35
Reduction factor r304 0.79
Nominal ratings
Nominal voltage8.2 V (Ri approx. 1 kOm)
Switching frequency0 ... 250 Hz
Hysteresis1 ... 15 typ. 5 %
Reverse polarity protectionreverse polarity protected
Short-circuit protectionyes
Current consumption
Measuring plate not detectedgreater or equal 3 mA
Measuring plate detectedless than or equal to 1 mA
Switching state indicatorLED, yellow
Compliance with standards and directives
Standard conformity
NAMUREN 60947-5-6:2000
IEC 60947-5-6:1999
Electromagnetic compatibilityNE 21:2007
Approvals and certificates
UL approvalcULus Listed, General Purpose
CSA approvalcCSAus Listed, General Purpose
CCC approvalCCC 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 typescrew terminals
Core cross-sectionless than or equal to 2.5 mm2
Housing materialPA
Sensing facePA
Degree of protectionIP66 / IP68 / IP69K
Mass225 g
NoteTightening torque: 1.8 Nm (housing)
Tightening torque: 1.0 Nm (Screw terminal)
General information
Use in the hazardous areasee instruction manuals
Category1G- 2G- 3G

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