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  6. NBB20-U1K-E2-3G-3D

NBB20-U1K-E2-3G-3D Inductive sensor

Key Benefits at a Glance

  • 20 mm flush
  • Sensor head bidirectional and rotatable
  • 3-wire DC
  • 4 LEDs indicator for 360° visibility
  • ATEX/IECEx Zone 2/22

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Please contact us for exact delivery estimation.
Product photo: Inductive sensor NBB20-U1K-E2-3G-3D
Dimensions: Inductive sensor NBB20-U1K-E2-3G-3D
Product photo: Inductive sensor NBB20-U1K-E2-3G-3D
Dimensions: Inductive sensor NBB20-U1K-E2-3G-3D
Approval
Approval
Product Compliance: USA - cULus
Product Compliance: Europe – CE
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.

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DatasheetClassificationProduct DocumentationDesign / SimulationApprovalsRelated Products

Technical data of NBB20-U1K-E2-3G-3D

Switching functionNormally open (NO)
Output typePNP
Rated operating distancesn20 mm
Installationflush
Output polarityDC
Assured operating distancesa0 ... 16.2 mm
Actual operating distancesr18 ... 22 mm typ. 20 mm
Reduction factor rAl 0.33
Reduction factor rCu 0.31
Reduction factor r304 0.74
Reduction factor rBrass 0.41
Output type3-wire
Operating voltageUB10 ... 30 V DC
Switching frequencyf0 ... 150 Hz
HysteresisHtyp. 5 %
Reverse polarity protectionreverse polarity protected
Short-circuit protectionpulsing
Voltage dropUd≤ 2 V
Voltage drop at IL
Voltage drop IL = 1 mA, switching element onUd0.5 ... 2.3 V typ. 0.9 V
Voltage drop IL = 10 mA, switching element onUd0.8 ... 2.2 V typ. 1.4 V
Voltage drop IL = 20 mA, switching element onUd0.9 ... 2.3 V typ. 1.5 V
Voltage drop IL = 50 mA, switching element onUd0.9 ... 2.5 V typ. 1.6 V
Voltage drop IL = 100 mA, switching element onUd1 ... 2.6 V typ. 1.8 V
Voltage drop IL = 200 mA, switching element onUd1.2 ... 2.8 V typ. 2 V
Operating currentIL0 ... 200 mA
Off-state currentIr0 ... 0.5 mA typ. 0.01 mA
Off-state current TU =40 °C, switching element off≤ 100 µA
No-load supply currentI0≤ 20 mA
Time delay before availabilitytv80 ms
Operating voltage indicatorLED, green
Switching state indicatorLED, yellow
MTTFd1510 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Standard conformity
StandardsEN IEC 60947-5-2
IECEx approval
Equipment protection level Gc (ec)IECEx TUR 21.0019X
Equipment protection level Dc (tc)IECEx TUR 21.0020X
ATEX approval
Equipment protection level Gc (ec)TÜV 20 ATEX 8525 X
Equipment protection level Dc (tc)TÜV 20 ATEX 8526 X
UL approvalcULus Listed, General Purpose
CCC approval
Hazardous Location2024322315005962
2024322315005982
Marine approvalDNVGL TAA0000160
Ambient temperature-25 ... 85 °C (-13 ... 185 °F)
Connection typescrew terminals
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 , stripped insulation length: 7 mm
Minimum core cross-sectionmin. 0.5 mm2 (incl. wire-end ferrules when using flexible conductors)
Maximum core cross-sectionmax. 2.5 mm2 (incl. wire-end ferrules when using flexible conductors)
Connection (system side)screw terminals , M20 x 1.5 cable gland , usable thread length 9.1 mm , screw-in depth max. 9.1 mm
Housing materialPA
Sensing facePA
Degree of protectionIP68 / IP69K
Mass225 g
Dimensions
Height40 mm
Width40 mm
Length118 mm
NoteTightening torque: 1.8 Nm (housing)
Use in the hazardous areasee instruction manuals
General Notes