Select Your Country

Go to global website

NRB20-U1-A2 Inductive sensor

Key Benefits at a Glance

  • Sensor head bidirectional and rotatable
  • 20 mm flush
  • Reduction factor = 1
  • Magnetic field resistant
  • 4 LEDs indicator for 360° visibility

Show more

In stock150.00 USD Net price—your individual price will be shown during checkout process.
Product Compliance: Europe – CE
Product Compliance: EU - protection class II
Product Compliance: United Kingdom – UKCA
Product Compliance: USA - cULus
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

Technical data of NRB20-U1-A2

Inductive sensor
Switching functioncomplementary
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 1
Reduction factor rCu 1
Reduction factor r304 1
Reduction factor rSt37 1
Output type4-wire
Operating voltageUB10 ... 30 V DC
Switching frequencyf0 ... 440 Hz
HysteresisH3 ... 15 %
Reverse polarity protectionreverse polarity protected
Short-circuit protectionpulsing
Voltage dropUd≤ 2.5 V
Operating currentIL0 ... 200 mA
Off-state currentIr0 ... 0.5 mA typ. 0.01 mA
No-load supply currentI0≤ 25 mA
Time delay before availabilitytv15 ms
Constant magnetic fieldB200 mT
Alternating magnetic fieldB200 mT
Operating voltage indicatorLED, green
Switching state indicatorLED, yellow
MTTFd1123 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Standard conformity
StandardsEN IEC 60947-5-2
Protection classII
Rated insulation voltageUi60 V
Rated impulse withstand voltageUimp800 V
UL approvalcULus Listed, General Purpose
CCC approvalCCC approval / marking not required for products rated ≤36 V
Ambient temperature-40 ... 85 °C (-40 ... 185 °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/metal with epoxy powder coating
Sensing facePA 6 Grivory GVN-35H
Housing baseplastic
Degree of protectionIP67
Mass225 g
Dimensions
Height40 mm
Width40 mm
Length118 mm
NoteTightening torque: 1.8 Nm (housing)
General Notes