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automatic circuit breakers for DIN-cleat
Low-voltage equipment

Automatic circuit breakers

  • AE1031
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  • VA51, VA52
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    For DIN devices
  • VA6026
  • IEK VA4729

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  • Home > Electrical Equipment > Low-voltage equipment

    Automatic circuit breakers for DIN-cleat IEK VA4729

    | Drawings

    IEK VA4729 are designed to protect power and lighting distribution mains from overloaded and short-circuit currents. In addition, they can be used to protect the supply lines of electric motors and other equipment.

    Rated current (A)1,2,3,4,5,6,10,16,20,25,32,40,50,63
    Rated operating voltage (V)230/400
    Rated frequency50 Hz
    Electric wear resistance, not less than 4000 switching operations
    Mechanical wear resistance, not less than 10,000 switching operations
    Number of poles1,2,3,4
    Switching capacity (A)4500
    Protection rateIP20
    Weight (g)96
    Operating temperature range, °C-5 ÷ +40 °C
    Maximum section of wire connected to the terminals (mm2)25
    Thermal release device specifications

    under I=1.13 Inom t greater than or equal to 1h - without release device;
    under I=1.45 Inom t<1h - release;
    under I=2.55 Inom 1s < t < 60s (under In=32A);
    1s < t < 120s (under In > 32A) - release

    Cutoff characteristic according to GOST R 50345-92B,C,D

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