Pepperl+FuchsProximity SensorsInductive Sensors
Inductive sensor NBN3-F31-U8-V18

Part number: NBN3-F31-U8-V18

  • Direct mounting on standard actuators
  • Compact and stable housing
  • Fixed setting
    • Datasheet NBN3-F31-U8-V18

    Specification

    General specifications
    Switching function2 x normally open (NO)
    Rated operating distance3 mm
    Installationflush mountable
    Output polarityAC/DC
    Assured operating distance0 ... 2.43 mm
    Reduction factor rAl 0.45
    Reduction factor rCu 0.38
    Reduction factor r304 1
    Reduction factor rSt37 1.04
    Output type4-wire
    Nominal ratings
    Operating voltage20 ... 253 V AC/DC
    Switching frequency25 Hz
    Hysteresistyp. 3 %
    Reverse polarity protectionyes
    Short-circuit protectionyes
    Voltage drop≤ 8 V
    Operating current4 ... 400 mA
    Off-state current≤ 1.7 mA
    Operating voltage indicatorLED, green
    Switching state indicatorLED, yellow
    Functional safety related parameters
    MTTFd529 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
    Protection classII
    Rated insulation voltage253 V
    Rated impulse withstand voltage4 kV
    UL approvalcULus Listed, General Purpose
    CSA approvalcCSAus Listed, General Purpose
    Ambient conditions
    Ambient temperature-25 ... 70 °C (-13 ... 158 °F)
    Mechanical specifications
    Connection typeConnector plug M18 x 1 , 4-pin
    Housing materialPBT
    Sensing facePBT
    Degree of protectionIP67
    Tightening torque, fastening screws4 Nm ... 5 Nm
    ECLASS 13.027220501
    ECLASS 12.027220501
    ECLASS 11.027220501
    ECLASS 10.0.127220501
    ECLASS 9.027220501
    ECLASS 8.027220501
    ECLASS 5.127220501
    ETIM 9.0EC002714
    ETIM 8.0EC002714
    ETIM 7.0EC002714
    ETIM 6.0EC002714
    ETIM 5.0EC002714
    UNSPSC 12.139121550