Serviceline Industrial Sensors
Serviceline Explosion Protection

Inductive sensor NBB20-U1-E2

NBB20-U1-E2
  • Sensor head bidirectional and rotatable
  • 20 mm flush
  • 3-wire DC
  • 4 LEDs indicator for 360° visibility

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, also apply to Pepperl+Fuchs AG.

Download the complete datasheet as a PDF:


Datasheet excerpt: Technical data of  NBB20-U1-E2

General specifications
Switching functionNormally open (NO)
Output typePNP
Rated operating distance20 mm
Installationflush
Output polarityDC
Assured operating distance0 ... 16.2 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 ... 440 Hz
Hysteresistyp. 5 %
Reverse polarity protectionreverse polarity protected
Short-circuit protectionpulsing
Voltage drop≤ 2 V
Operating current0 ... 200 mA
Off-state current0 ... 0.5 mA typ. 0.01 mA
No-load supply current≤ 20 mA
Time delay before availability80 ms
Operating voltage indicatorLED, green
Switching state indicatorLED, yellow
Functional safety related parameters
MTTFd1289 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
EAC conformityTR CU 020/2011
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/metal with epoxy powder coating
Sensing facePA
Housing baseplastic
Degree of protectionIP68 / IP69K
Mass225 g
NoteTightening torque: 1.8 Nm (housing)

Documents: NBB20-U1-E2

Instruction leafletsLanguageFile TypeFile Size
Instruction leaflet Varikont series / Beipackzettel Serie VariKontALLPDF240 KB
Technical information
technical information (TI)ENGPDF134 KB
technische Information (TI)GERPDF110 KB
warunki montażuPOLPDF221 KB
Product information
Product information - A level higher - The new VariKontENGPDF1214 KB

Approvals+Certificates: NBB20-U1-E2

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-2579APDF171 KB
Certificates
Canada USA CSA Ordinary Location1007121PDF99 KB
Canada USA UL Ordinary Location20171221-E87056PDF410 KB

Associated Products: NBB20-U1-E2

Accessories

Mounting aid for VariKont, +U1+ and +U9* fa
Receptacles, M12/M20; plastic versionfa
Modular mounting bracket fa