Inductive sensor NCB8-18GM40-N0

Part number: NCB8-18GM40-N0

  • 8 mm flush
  • Usable up to SIL 2 acc. to IEC 61508
  • Specification

    General specifications
    Switching functionNormally closed (NC)
    Output typeNAMUR
    Rated operating distance8 mm
    Installationflush
    Assured operating distance0 ... 6.48 mm
    Actual operating distance7.2 ... 8.8 mm typ. 8 mm
    Reduction factor rAl 0.39
    Reduction factor rCu 0.36
    Reduction factor r304 0.71
    Output type2-wire
    Nominal ratings
    Nominal voltage8.2 V (Ri approx. 1 kΩ)
    Switching frequency0 ... 1500 Hz
    Hysteresis1 ... 15 typ. 5 %
    Reverse polarity protectionreverse polarity protected
    Short-circuit protectionyes
    Suitable for 2:1 technologyyes , Reverse polarity protection diode not required
    Current consumption
    Measuring plate not detectedmin. 2.2 mA
    Measuring plate detected≤ 1 mA
    Switching state indicatorall direction LED, yellow
    Functional safety related parameters
    Safety Integrity Level (SIL)SIL 2
    MTTFd2660 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
    Electromagnetic compatibilityNE 21:2007
    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
    IECEx approval
    Equipment protection level GaIECEx PTB 11.0037X
    Equipment protection level GbIECEx PTB 11.0037X
    Equipment protection level DaIECEx PTB 11.0037X
    Equipment protection level Dc (tc)IECEx TUR 21.0018X
    Equipment protection level MbIECEx PTB 11.0037X
    ATEX approval
    Equipment protection level GaPTB 00 ATEX 2048 X
    Equipment protection level GbPTB 00 ATEX 2048 X
    Equipment protection level DaPTB 00 ATEX 2048 X
    Equipment protection level Dc (tc)TÜV 20 ATEX 8524 X
    UL approval
    Ordinary LocationE87056
    Hazardous LocationE501628
    Control drawing116-0452
    CCC approval
    Hazardous Location2020322315002255
    NEPSI approval
    NEPSI certificateGYJ16.1393X
    ANZEx18.3018X
    Marine approvalDNVGL TAA00001A5
    Ambient conditions
    Ambient temperature-25 ... 100 °C (-13 ... 212 °F)
    Storage temperature-40 ... 100 °C (-40 ... 212 °F)
    Mechanical specifications
    Connection typecable
    Housing materialStainless steel 1.4305 / AISI 303
    Sensing facePBT
    Degree of protectionIP66 / IP67
    Cable
    Cable diameter6 mm ± 0.2 mm
    Bending radius> 10 x cable diameter
    MaterialPVC
    Core cross section0.75 mm2
    Length2 m
    General information
    Use in the hazardous areasee instruction manuals
    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