Serviceline
Serviceline Industrial Sensors
Serviceline Explosion Protection

Inductive sensor NBB20-U1K-E2-3G-3D

NBB20-U1K-E2-3G-3D
  • Sensor head bidirectional and rotatable
  • 20 mm flush
  • 3-wire DC
  • 4 LEDs indicator for 360° visibility
  • ATEX-approval for zone 2 and zone 22

Download the complete datasheet as a PDF:


Datasheet excerpt: Technical data of NBB20-U1K-E2-3G-3D

General specifications
Switching functionNormally open (NO)
Output typePNP
Rated operating distance20 mm
Installationflush
Output polarityDC
Assured operating distance0 ... 16.2 mm
Actual operating distance18 ... 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
Nominal ratings
Operating voltage10 ... 30 V DC
Switching frequency0 ... 150 Hz
Hysteresistyp. 5 %
Reverse polarity protectionreverse polarity protected
Short-circuit protectionpulsing
Voltage drop≤ 2 V
Voltage drop at IL
Voltage drop IL = 1 mA, switching element on0.5 ... 2.3 V typ. 0.9 V
Voltage drop IL = 10 mA, switching element on0.8 ... 2.2 V typ. 1.4 V
Voltage drop IL = 20 mA, switching element on0.9 ... 2.3 V typ. 1.5 V
Voltage drop IL = 50 mA, switching element on0.9 ... 2.5 V typ. 1.6 V
Voltage drop IL = 100 mA, switching element on1 ... 2.6 V typ. 1.8 V
Voltage drop IL = 200 mA, switching element on1.2 ... 2.8 V typ. 2 V
Operating current0 ... 200 mA
Off-state current0 ... 0.5 mA typ. 0.01 mA
Off-state current TU =40 °C, switching element off≤ 100 µA
No-load supply current≤ 20 mA
Time delay before availability80 ms
Operating voltage indicatorLED, green
Switching state indicatorLED, yellow
Functional safety related parameters
MTTFd1510 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Compliance with standards and directives
Standard conformity
StandardsEN 60947-5-2:2007
EN 60947-5-2/A1:2012
IEC 60947-5-2:2007
IEC 60947-5-2 AMD 1:2012
Approvals and certificates
FM approvalhazardous (classified) location
Non-incendive
UL approvalcULus Listed, General Purpose
CCC approvalCCC approval / marking not required for products rated ≤36 V
Ambient conditions
Ambient temperature-25 ... 85 °C (-13 ... 185 °F)
Mechanical specifications
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 ferrule 0.5 mm2 , with connector sleeves 0.34 mm2
Maximum core cross-sectionwithout wire end ferrule 2.5 mm2 , with connector sleeves 1.5 mm2
Housing materialPA
Sensing facePA
Degree of protectionIP68 / IP69K
Mass225 g
NoteTightening torque: 1.8 Nm (housing)
Equipment protection level Gc (nA)
CertificatePF 15CERT3754 X
CE marking[*PD-Z02586A*]
ATEX markingEx-Hexagon II 3G Ex nA IIC T6 Gc
The Ex-related marking can also be printed on the enclosed label.
StandardsEN 60079-0:2012+A11:2013, EN 60079-15:2010
Ignition protection category "n"
Use is restricted to the following stated conditions
Special conditions
Maximum operating current ILThe maximum permissible load current must be restricted to the values given in the following list. High load currents and load short-circuits are not permitted.
Maximum operating voltage UBmaxThe maximum permissible operating voltage UB max is restricted to the values in the following list. Tolerances are not permissible.
Maximum permissible ambient temperature TUmaxdependant of the load current IL and the max. operating voltage UBmax
Information can be taken from the following list.
at UBmax=30 V, IL=200 mA50 °C (122 °F)
at UBmax=30 V, IL=100 mA53 °C (127.4 °F)
at UBmax=30 V, IL=50 mA54 °C (129.2 °F)
Equipment protection level Dc (tc)
CE marking[*PD-Z02586A*]
ATEX markingEx-Hexagon II 3D Ex tc IIIC T80°C Dc
The Ex-related marking can also be printed on the enclosed label.
StandardsEN 60079-0:2012+A11:2013, EN 60079-31:2014
Protection by enclosure "tc" Some of the information in this instruction manual is more specific than the information provided in the datasheet.
GeneralThe corresponding datasheets, declarations of conformity, EC-type examination certificates, certifications, and control drawings, where applicable (see datasheets), form an integral part of this document. These documents can be found at www.pepperl-fuchs.com. The maximum surface temperature of the device was determined without a layer of dust on the apparatus. Some of the information in this instruction manual is more specific than the information provided in the datasheet.
Special conditions
Maximum permissible ambient temperature TUmaxdependant of the load current IL and the max. operating voltage UBmax
Information can be taken from the following list.
at UBmax=30 V, IL=200 mA50 °C (122 °F)
at UBmax=30 V, IL=100 mA53 °C (127.4 °F)
at UBmax=30 V, IL=50 mA54 °C (129.2 °F)
Equipment protection level Dc (tD)
GeneralThe apparatus has to be operated according to the appropriate data in the data sheet and in this instruction manual.
The maximum surface temperature has been determined in accordance with method A without a dust layer on the equipment.
The data stated in the data sheet are restricted by this operating instruction!
The special conditions must be adhered to!
Special conditions
Maximum permissible ambient temperature TUmaxdependant of the load current IL and the max. operating voltage UBmax
Information can be taken from the following list.
at UBmax=30 V, IL=200 mA50 °C (122 °F)
at UBmax=30 V, IL=100 mA53 °C (127.4 °F)
at UBmax=30 V, IL=50 mA54 °C (129.2 °F)
General information
Use in the hazardous areasee instruction manuals
Category3G; 3D

Documents: NBB20-U1K-E2-3G-3D

Instruction leafletsLanguageFile TypeFile Size
Instruction leaflet Varikont series / Beipackzettel Serie VariKontALLPDF240 KB
Instruction manuals
Instruction manualENGPDF66 KB
Manuel d'instructionsFRAPDF67 KB
BetriebsanleitungGERPDF66 KB
Manuale di istruzioniITAPDF63 KB
Manual de instruccionesSPAPDF66 KB
Technical information
technical information (TI)ENGPDF---
technische Information (TI)GERPDF---
warunki montażuPOLPDF221 KB
Product information
Product information - A level higher - The new VariKontENGPDF1214 KB

Approvals+Certificates: NBB20-U1K-E2-3G-3D

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-1398APDF271 KB
Certificates
Canada USA CSA Ordinary Location1007121PDF99 KB
Canada USA UL Ordinary Location20171221-E87056PDF410 KB
Europe Pepperl+Fuchs ATEX Category 3 D CertificatePF15CERT3774XPDF1001 KB
Europe Pepperl+Fuchs ATEX Category 3 G CertificatePF15CERT3754XPDF1015 KB
Control drawings
Control Drawing FM / Control Drawing FM   PDF151 KB

Associated Products: NBB20-U1K-E2-3G-3D

Accessories
Modular mounting bracket fa