Inductive sensor NBN3-F31K-Z8-K

Part number: NBN3-F31K-Z8-K

  • Direct mounting on standard actuators
  • Fixed setting
  • LEDs for switching state of sensor and solenoid valve
  • Specification

    General specifications
    Switching function2 x normally open (NO)
    Output typeTwo-wire
    Rated operating distance3 mm
    Installationflush mountable
    Output polarityDC
    Assured operating distance0 ... 2.43 mm
    Actual operating distance2.7 ... 3.3 mm typ. 3 mm
    Reduction factor rAl 0.5
    Reduction factor rCu 0.4
    Reduction factor r304 1
    Reduction factor rSt37 1.1
    Output type4-wire
    Nominal ratings
    Operating voltage6 ... 60 V DC
    Switching frequency0 ... 500 Hz
    Hysteresistyp. 5 %
    Reverse polarity protectionreverse polarity tolerant
    Short-circuit protectionpulsing
    Voltage drop≤ 5.5 V
    Operating current4 ... 100 mA
    Lowest operating current4 mA
    Off-state current0.5 ... 0.9 mA typ. 0.65 mA
    Time delay before availability≤ 40 ms
    Switching state indicatorLED, yellow
    Valve status indicatorLED, yellow
    Limit data
    Tightening torque, fastening screws0.4 Nm
    Functional safety related parameters
    MTTFd570 a
    Mission Time (TM)20 a
    Diagnostic Coverage (DC)0 %
    Valve circuit
    Voltagemax. 32 V DC
    Currentmax. 240 mA
    Short-circuit protectionno
    Reverse polarity protectionyes, with reversed output LED is out of function, therfore more power for solenoid valve
    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
    UL approvalcULus Listed, General Purpose, Class 2 Power Source
    CCC approvalCertified by China Compulsory Certification (CCC)
    Ambient conditions
    Ambient temperature-25 ... 70 °C (-13 ... 158 °F)
    Mechanical specifications
    Connection (system side)Cage tension spring terminals
    Core cross section (system side)1.5/2.5 mm2 flexible/rigid
    Connection (valve side)Cage tension spring terminals
    Core cross section (valve side)1.5/2.5 mm2 flexible/rigid
    Housing materialPBT
    Sensing facePBT
    Degree of protectionIP67
    Mass180 g
    Tightening torque, fastening screws4 Nm ... 5 Nm
    Tightening torque, housing screws1 Nm
    Tightening torque, cable glandM20 x 1.5 ; max. 7 Nm
    M12 x 1.5 ; max. 1.5 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