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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.982,00 PLN Net price—your individual price will be shown during checkout process.
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.

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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)