Inductive sensor | NBB20-U1-B3B

Артикул: NBB20-U1-B3B
Наименование: Inductive sensor | NBB20-U1-B3B
Производитель: Pepperl-Fuchs



  • 20 mm flush
  • A/B slave with extended addressing possibility for up to 62 slaves
  • Adjustable sensor head
  • NO/NC programmable
  • Oscillator monitoring
  • On/Off delay (disconnectable)

Datasheet as PDF in following languages:


Technical Data: NBB20-U1-B3B

General specifications
Switching element functionNO/NC programmable
Rated operating distance20 mm
Installationflush
Output polarityAS-Interface
Assured operating distance0 ... 16.2 mm
Reduction factor rAl 0.4
Reduction factor rCu 0.35
Reduction factor r304 0.85
Slave typeA/B slave
AS-Interface specificationV3.0
Required master specification≥ V2.1
Nominal ratings
Operating voltage26.5 ... 31.9 V via AS-i bus system
Switching frequency0 ... 150 Hz
Hysteresis1 ... 15 typ. 5 %
Reverse polarity protectionreverse polarity protected
No-load supply current≤ 25 mA
Operating voltage displayLED, green
Switching state indicationLED, yellow
Fault indicationLED, red
Functional safety related parameters
MTTFd1330 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Approvals and certificates
UL approvalcULus Listed, General Purpose
CSA approvalcCSAus Listed, General Purpose
CCC approvalCCC approval / marking not required for products rated ≤36 V
Ambient conditions
Ambient temperature-25 ... 70 В°C (-13 ... 158 В°F)
Storage temperature-40 ... 85 В°C (-40 ... 185 В°F)
Mechanical specifications
Connection typescrew terminals
Core cross-section≤ 2.5 mm2
Housing materialPA/metal with epoxy powder coating
Sensing facePBT
Housing diameter
Protection degreeIP68 / IP69K


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