Serviceline Industrial Sensors
Serviceline Explosion Protection

Inductive sensor NBB20-U2-UU

NBB20-U2-UU
  • Sensor head bidirectional and rotatable
  • NO/NC selectable
  • Comfort series

Please 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.

Download the complete datasheet as a PDF:


Datasheet excerpt: Technical data of  NBB20-U2-UU

General specifications
Switching functionNormally open/closed (NO/NC)
Output typeTwo-wire
Rated operating distance20 mm
Installationflush
Output polarityAC/DC
Assured operating distance0 ... 16.2 mm
Actual operating distance18 ... 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
Nominal ratings
Switching frequencyAC, 0 ... 30 Hz
DC, 0 ... 100 Hz
Hysteresis1 ... 10 % typ. 5 %
Reverse polarity protectionreverse polarity tolerant
Short-circuit protectionpulsing
Voltage drop≤ 5 V (typ. 2V) DC operation
≤ 8 V (typ. 3 V) AC operation
Momentary current
(20 ms, 0.1 Hz)
0 ... 3000 mA
Operating current5 ... 500 mA
Rated operating current500 mA 50/60 Hz
Lowest operating current5 mA
Off-state current≤ 1.5 mA
Usage categoryAC12 , AC140 , DC12 , DC13
Time delay before availability≤ 300 ms
Operating voltage indicatorLED, green
Switching state indicatorLED, yellow
Error indicatorflashes when overcurrent
Functional safety related parameters
MTTFd540 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Electrical specifications
Rated operating voltage24 ... 250 V DC / 24 ... 230 V AC
Operating voltage20 ... 275 V DC / 20 ... 253 V AC
Compliance with standards and directives
Standard conformity
StandardsEN IEC 60947-5-2
Approvals and certificates
Protection classII
Rated insulation voltage230 V
Rated impulse withstand voltage2.5 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 conditions
Ambient temperature-25 ... 85 °C (-13 ... 185 °F)
Storage temperature-25 ... 85 °C (-13 ... 185 °F)
Pollution degree3
Mechanical specifications
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

Classifications

SystemClasscode
ECLASS 13.027274001
ECLASS 12.027274001
ECLASS 11.027270101
ECLASS 10.0.127270101
ECLASS 9.027270101
ECLASS 8.027270101
ECLASS 5.127270101
ETIM 9.0EC002714
ETIM 8.0EC002714
ETIM 7.0EC002714
ETIM 6.0EC002714
ETIM 5.0EC002714
UNSPSC 12.139121550

Details: NBB20-U2-UU

Product Documentation: NBB20-U2-UU

Language Selection:
Product informationLanguageFile TypeFile Size
Installation conditionsENGPDF195 KB

Design / Simulation: NBB20-U2-UU

Language Selection:
CADLanguageFile TypeFile Size
CAD 3-D / CAD 3-DALLSTP2003 KB
CAD Portal / CAD PortalALLLINK---

Approvals: NBB20-U2-UU

Language Selection:
CertificatesCertificate No.LanguageFile TypeFile Size
Canada USA UL Ordinary LocationUL-US-2123898-3 / UL-CA-2119599-3ALLPDF283 KB
Declaration of Conformity
EU Declaration of Conformity (P+F) / EU-Konformitäterklärung (P+F)DOC-2521FALLPDF1256 KB
UK Declaration of Conformity (P+F)TDOC-6002_ENGENGPDF1223 KB

Associated Products: NBB20-U2-UU

Accessories
Modular mounting bracket fa

Our amplify article gives interesting insights about the development of the new, modern portfolio of inductive proximity sensors from Pepperl+Fuchs. Get the whole story here! 

 

 

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