Select Your Country

Go to global website

  1. country
  2. Products
  3. Industrial Sensors
  4. Proximity Sensors
  5. Inductive Sensors
  6. NBB20-U1-UU

NBB20-U1-UU Inductive sensor

Key Benefits at a Glance

  • Sensor head bidirectional and rotatable
  • NO/NC selectable
  • Comfort series
Please contact us for exact delivery estimation.
Preferred Type
Product photo: Inductive sensor NBB20-U1-UU
Dimensions: Inductive sensor NBB20-U1-UU
Product photo: Inductive sensor NBB20-U1-UU
Dimensions: Inductive sensor NBB20-U1-UU
Product Compliance: United Kingdom – UKCA
Approval
Product Compliance: USA - cULus
Product Compliance: Europe – CE
Product Compliance: EU - protection class II
Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

EN
  • CS
  • DE
  • EN
  • ES
  • FR
  • IT
  • PL
  • PT
  • SV
DatasheetClassificationProduct DocumentationDesign / SimulationApprovalsRelated Products

Technical data of NBB20-U1-UU

Switching functionNormally open/closed (NO/NC)
Output typeTwo-wire
Rated operating distancesn20 mm
Installationflush
Output polarityAC/DC
Assured operating distancesa0 ... 16.2 mm
Actual operating distancesr18 ... 22 mm
Reduction factor rAl 0.4
Reduction factor rCu 0.3
Reduction factor r304 0.77
Reduction factor rFe 1
Reduction factor rBrass 0.43
Output type2-wire
Switching frequencyfAC, 0 ... 30 Hz
DC, 0 ... 100 Hz
HysteresisH1 ... 10 % typ. 5 %
Reverse polarity protectionreverse polarity tolerant
Short-circuit protectionpulsing
Voltage dropUd≤ 5 V (typ. 2V) DC operation
≤ 8 V (typ. 3 V) AC operation
Momentary current
(20 ms, 0.1 Hz)		0 ... 3000 mA
Operating currentIL5 ... 500 mA
Rated operating currentIe500 mA 50/60 Hz
Lowest operating currentIm5 mA
Off-state currentIr≤ 1.5 mA
Usage categoryAC12 , AC140 , DC12 , DC13
Time delay before availabilitytv≤ 300 ms
Operating voltage indicatorLED, green
Switching state indicatorLED, yellow
Error indicatorflashes when overcurrent
MTTFd540 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Rated operating voltageUe24 ... 250 V DC / 24 ... 230 V AC
Operating voltageUB20 ... 275 V DC / 20 ... 253 V AC
Standard conformity
StandardsEN IEC 60947-5-2
Protection classII
Rated insulation voltageUi250 V
Rated impulse withstand voltageUimp2.5 kV
UL approvalcULus Listed, General Purpose
"For use in NFPA 79 Applications only"
For overcurrent protection, install a fuse with a rated current of max. 3 A and at least 300 V AC/DC
CCC approvalUe 75VDC - 250VDC Ue 75VAC - 230VAC
Ambient temperature-25 ... 85 °C (-13 ... 185 °F)
Storage temperature-25 ... 85 °C (-13 ... 185 °F)
Pollution degree3
Connection typeterminal compartment
Information for connectionA maximum of two conductors with the same core cross section may be mounted on one terminal connection!
tightening torque 1.2 Nm + 10 %
Core cross sectionup to 2.5 mm2
Minimum core cross-sectionwithout wire end ferrules 0.5 mm2 , with connector sleeves 0.34 mm2
Maximum core cross-sectionwithout wire end ferrules 2.5 mm2 , with connector sleeves 1.5 mm2
Housing materialPA 6.6 / metal
Sensing facePA 6.6
Housing baseplastic
Degree of protectionIP67
Mass255 g
Dimensions
Height40 mm
Width40 mm
Length118 mm
NoteTightening torque: 1.8 Nm (housing)
General Notes
Ask an expert

We value your privacy!

We and our partners are using technologies like cookies and process personal data like the IP-address or browser information in order to personalize the advertising that you see. This helps us to show you more relevant ads and improves your internet experience. We also use it in order to measure results or align our website content. Because we value your privacy, we are herewith asking for your permission to use these technologies. You can always change/withdraw your consent later by clicking on the settings button on the left lower corner of the page.

Privacy Policy

Deny all cookies