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NBN50-U1K-A2 Inductive sensor

Key Benefits at a Glance

  • 50 mm non-flush
  • Active Shielding Technology
  • 4-wire DC
  • Sensor head bidirectional and rotatable
  • 4 LEDs indicator for 360° visibility

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Product Compliance: United Kingdom – UKCA
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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Technical data of NBN50-U1K-A2

Switching functioncomplementary
Output typePNP
Rated operating distancesn50 mm
Installationnon-flush
Output polarityDC
Assured operating distancesa0 ... 40.5 mm
Actual operating distancesr45 ... 55 mm typ.
Reduction factor rAl 0.5
Reduction factor rCu 0.49
Reduction factor r304 0.78
Reduction factor rBrass 0.55
Output type4-wire
Operating voltageUB10 ... 30 V DC
Switching frequencyf0 ... 40 Hz
HysteresisHtyp. 5 %
Reverse polarity protectionreverse polarity protected
Short-circuit protectionpulsing
Voltage dropUd≤ 2 V
Operating currentIL0 ... 200 mA
Off-state currentIr0 ... 0.5 mA
No-load supply currentI0≤ 20 mA
Time delay before availabilitytv80 ms
Operating voltage indicatorLED, green
Switching state indicatorLED, yellow
MTTFd929 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 ... 70 °C (-13 ... 158 °F)
Storage temperature-40 ... 85 °C (-40 ... 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
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
Sensing facePA
Housing baseplastic
Degree of protectionIP68 / IP69
Mass225 g
Dimensions
Height40 mm
Width40 mm
Length118 mm
NoteTightening torque: 1.8 Nm (housing)
General Notes