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Switching amplifiers for Namur sensors N0032A

  • For the operation of intrinsically safe sensors in hazardous areas
  • Reliable short-circuit and wire-break monitoring
  • Easy programming of the output function
  • LED display to check operation, switching status and function
  • Quick and easy mounting on DIN rail
  • Description

    Description

    NV1221/115VAC/RL/1D/1G

    Application Application short-circuit monitoring; Wire monitoring Electrical data Operating voltage tolerance [%] -10…10 Operating voltage [V] < 115 AC Power consumption [W] 1.3 Number of channels 2 Outputs Electrical design relay; (per channel: 1 changeover contact) Contact rating 253 V AC / 2 A / cos phi > 0,7 // 40 V DC / 2 A; (ohmic resistance) Switching frequency AC [Hz] 10 Operating conditions Ambient temperature [°C] -20…60 Protection IP 20 Tests / approvals Approval PTB 02 ATEX 2035; TIIS TC16048; IECEx PTB 17.0023 ATEX marking II (1) G [Ex ia Ga] IIC II (1) D [Ex ia Da] IIIC EMC
    EN 50081-2 (1993)
    EN 61326-1 (2006)
    MTTF [years] 458 Mechanical data Weight [g] 230.45 Switching cycles mechanical 10 million Displays / operating elements Display
    switching status 2 x LED, yellow
    operation LED, green
    function 2 x LED, red
    Remarks Remarks
    Caution The control monitor must be mounted outside the hazardous area.
    Free terminals must not be used.
    Pack quantity 1 pcs. Electrical connection Connection terminals: …2.5 mm² Other data Maximum values for control circuit
    in protection rating intrinsic safety [EEx ia] IIC [EEx ia] IIB [EEx ib] IIC [EEx ib] IIB
    Voltage [V] 10.6 10.6 10.6 10.6
    Current [mA] 19.1 19.1 19.1 19.1
    Power [mW] 51 51 51 51
    External inductance [mH] 97 390 97 390
    External capacitance [µF] 2.32 16.2 2.32 16.2
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