Serviceline Industrial Sensors
Serviceline Explosion Protection

Inductive sensor NCB20-L2-N0-V1

NCB20-L2-N0-V1
  • Sensor head bidirectional and rotatable
  • 20 mm flush
  • Quick mounting bracket
  • Usable up to SIL 2 acc. to IEC 61508


NAMUR sensors must be operated with approved switch amplifiers. Please find suitable devices below:

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  NCB20-L2-N0-V1

General specifications
Switching functionNormally closed (NC)
Output typeNAMUR
Rated operating distance20 mm
Installationflush
Assured operating distance0 ... 16.2 mm
Actual operating distance18 ... 22 mm
Reduction factor rAl 0.33
Reduction factor rCu 0.31
Reduction factor r304 0.74
Nominal ratings
Nominal voltage8.2 V (Ri approx. 1 kΩ)
Switching frequency0 ... 300 Hz
Hysteresistyp. 5 %
Reverse polarity protectionreverse polarity protected
Short-circuit protectionyes
Current consumption
Measuring plate not detected≥ 2.2 mA
Measuring plate detected≤ 1 mA
Switching state indicatorLED, yellow
Functional safety related parameters
MTTFd1660 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Compliance with standards and directives
Standard conformity
NAMUREN 60947-5-6:2000
IEC 60947-5-6:1999
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 012/2011
Protection classII
Rated insulation voltage253 V
Rated impulse withstand voltage4000 V
UL approval
Ordinary LocationE87056
Hazardous LocationE501628
Control drawing116-0451
CCC approvalCCC approval / marking not required for products rated ≤36 V
Ambient conditions
Ambient temperature-25 ... 100 °C (-13 ... 212 °F)
Storage temperature-40 ... 100 °C (-40 ... 212 °F)
Mechanical specifications
Connection typeConnector plug M12 x 1 , 4-pin
Housing materialPA
Sensing facePA
Degree of protectionIP66 / IP69K
Mass130 g
Equipment protection level Dc (tc)
Special conditions
Maximum permissible ambient temperature TUmaxValues can be obtained from the following list, depending on the max. operating voltage UBmax and the minimum series resistance Rv.
General information
Use in the hazardous areasee instruction manuals

Documents: NCB20-L2-N0-V1

Instruction manualsLanguageFile TypeFile Size
ИнструкцииBULPDF188 KB
Návod k poużitíCZEPDF180 KB
Instruktions manualDANPDF178 KB
Instruction manualENGPDF180 KB
KasutusjuhendESTPDF172 KB
KäyttöohjeFINPDF173 KB
Manuel d'instructionsFRAPDF183 KB
BetriebsanleitungGERPDF179 KB
Οδηγίες χρήσηςGREPDF191 KB
HandleidingHOLPDF179 KB
Instruction manual / BetriebsanleitungHRVPDF177 KB
Használati útmutatóHUNPDF183 KB
Manuale di istruzioniITAPDF181 KB
Lietošanas pamācībaLAVPDF179 KB
Instrukciju vadovasLITPDF180 KB
Instrukcja obsługiPOLPDF182 KB
Manual de instruçõesPORPDF182 KB
Manual de utilizareRONPDF183 KB
Návod na poużitieSLKPDF181 KB
Navodila za uporaboSLVPDF178 KB
Manual de instruccionesSPAPDF244 KB
ManualSWEPDF177 KB
Technical information
Technical informationENGPDF166 KB
Technische InformationGERPDF169 KB

Approvals+Certificates: NCB20-L2-N0-V1

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-1745APDF347 KB
Certificates
Canada USA CSA Ordinary Location1007121PDF99 KB
Canada USA UL Hazardous LocationE501628:1:1PDF405 KB
Canada USA UL Ordinary Location20170306-E87056PDF407 KB
EU PTB ATEX ia 2G, 1G, 1D s. certificatePTB 00 ATEX 2032 XPDF29293 KB
Europe Pepperl+Fuchs ATEX Category 3 D CertificatePF15CERT3774XPDF1001 KB
Europe Pepperl+Fuchs Certificate ATEX Category 3PF13CERT2895XPDF495 KB
Pepperl+Fuchs Declaration of Conformity Functional SafetyPF 10 CERT 1666APDF1025 KB
Russia NANIO "CCVE"TC RU C-DE.AA87.B.00394PDF3971 KB
Worldwide PTB IECEx iaIECEx PTB 11.0021XLINK---
Control drawings
Control drawing UL / Control drawing UL   PDF294 KB

Associated Products: NCB20-L2-N0-V1

Accessories

Female cordset, M12, 2-pin, NAMUR, PUR cablefa

Female cordset, M12, 2-pin, NAMUR, PUR cablefa

1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Usable as signal splitter (1 input and 2 outputs), Relay contact output, Fault relay contact output, Line fault detection (LFD), Housing width 12.5 mm, Up to SIL 2 acc. to IEC 61508pa

Single-channel terminal amplifier with line breakage detection, input for NAMUR sensors, DC 24 V supply voltage, standardized interface to prevent signal transmission errors, switching state display, LED yellowfa
Modular mounting bracket fa
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