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NBB20-U4-E2 Inductive sensor

Key Benefits at a Glance

  • Sensor head bidirectional and rotatable
  • 20 mm flush
  • 3-wire DC
  • 4 LEDs indicator for 360° visibility
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Product photo: Inductive sensor NBB20-U4-E2
Dimensions: Inductive sensor NBB20-U4-E2
Product photo: Inductive sensor NBB20-U4-E2
Dimensions: Inductive sensor NBB20-U4-E2
Product Compliance: USA - cULus
Product Compliance: Europe – CE
Product Compliance: United Kingdom – UKCA
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-U4-E2

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 ... 440 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≤ 10 mA
Time delay before availabilitytv≤ 50 ms
Operating voltage indicatorLED, green
Switching state indicatorLED, yellow
MTTFd1289 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Standard conformity
StandardsEN IEC 60947-5-2
UL approvalcULus Listed, General Purpose
CCC approvalCCC approval / marking not required for products rated ≤36 V
Ambient temperature-25 ... 85 °C (-13 ... 185 °F)
Connection typescrew terminals
Core cross sectionmax. 2.5 mm2
Housing materialPA/metal with epoxy powder coating
Sensing facePA
Housing basemetal
Degree of protectionIP68 / IP69K
Mass225 g
Dimensions
Height40 mm
Width40 mm
Length118 mm
NoteTightening torque: 1.8 Nm (housing)
General Notes
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