Serviceline
Serviceline Industrial Sensors
Serviceline Explosion Protection

Inductive sensor NBB20-U1-Z2

NBB20-U1-Z2
  • Sensor head bidirectional and rotatable
  • 20 mm flush
  • 2-wire DC
  • 2 LEDs indicator for 360° visibility

Download the complete datasheet as a PDF:


Datasheet excerpt: Technical data of NBB20-U1-Z2

General specifications
Switching functionNormally open/closed (NO/NC)
Output typeTwo-wire
Rated operating distance20 mm
Installationflush
Output polarityDC
Assured operating distance0 ... 16.2 mm
Actual operating distance18 ... 22 mm typ. 20 mm
Reduction factor rAl 0.3
Reduction factor rCu 0.3
Reduction factor r304 0.7
Output type2-wire
Nominal ratings
Operating voltage5 ... 60 V DC
Switching frequency0 ... 250 Hz
Hysteresistyp. 5 %
Reverse polarity protectionreverse polarity tolerant
Short-circuit protectionyes
Voltage drop≤ 5 V
Voltage drop at IL
Voltage drop IL = 100 mA, switching element on... 5 V
Operating current2 ... 200 mA
Off-state current0 ... 0.5 mA
Switching state indicator2 LED, yellow
Functional safety related parameters
MTTFd1162 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 approvalCertified by China Compulsory Certification (CCC)
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-Z2

Instruction leafletsLanguageFile TypeFile Size
Instruction leaflet Varikont series / Beipackzettel Serie VariKontALLPDF240 KB
Technical information
Installation conditionsENGPDF209 KB
EinbaubedingungenGERPDF203 KB
warunki montażuPOLPDF221 KB
Product information
Product information - A level higher - The new VariKontENGPDF1214 KB

Approvals+Certificates: NBB20-U1-Z2

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-2834APDF170 KB
Certificates
Canada USA CSA Ordinary Location1007121PDF99 KB
Canada USA UL Ordinary Location20171221-E87056PDF410 KB
China CQC CCC2010010305385287PDF7648 KB

Associated Products: NBB20-U1-Z2

Accessories

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