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switch disconnectors VR32
 
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  • Home > Electrical Equipment > Low-voltage equipment

    Switch disconnectors VR32


    | Drawings


    VR32-31, VR22-35, VR32-37 and VR32-39 switch disconnectors (knife switches) are designed for on/off switching and AC conduction with rated voltages of up to 660 V and rated frequencies of 50 and 60 Hz as well as DC conduction with rated voltages of up to 440 V in electrical energy distribution devices.
      Operating conditions

    • Ambient temperature -60 to +40°C.
    • Installation altitude - below 2000 m above sea level.
    • Environment pollution rate - 3.
    • Operation mode - prolonged.
      Notation conventions structure


      VR32- XX X X X X X X – XX XXXX

      VR - device type;

      32 - series number;

      XX - rated current (31 - 100 A, 35 - 250 A, 37 - 400 A, 39 - 630 A);

      X - symbolic notation of the handle detachability (A - detachable, non-detachable);

      X - number of poles and number of directions (1 - unipolar, one-way switch disconnector, 2 - double-pole, one-way switch disconnector, 3 - triple-pole, one-way switch disconnector, 5 - unipolar, two-way switch disconnector, 6 - double-pole, two-way switch disconnector, 7 - triple-pole, two-way switch disconnector);

      X - arc chute availability (0 - arc chute not available, 1 - arc chute available);

      X - arrangement of the terminal lead's outer clamp connection plane:
      (1 - parallel to the mounting plane; 2 - transversely to the mounting plane); 3 - combined: input is parallel, output is perpendicular to the assemblage plane, 4 - combined: input is perpendicular, output is parallel to the assemblage plane);

      X - manual drive handle type (0 - no handle, 2 - side handle, 4 - displaced front handle, 5 - displaced side handle);

      X - availability of auxiliary contacts:
      (0 - without auxiliary contacts, 1 - with auxiliary contacts);

      XX - handle protection category (00 - IP00, 32 - IP32);

      H3 - climatic construction (UHL, T) and placement category (3) according to GOST 15150.

      SPECIFICATIONS  
      Rated working voltages for the
      main circuit:
      AC:
      DC:
       

      380, 660 V
      220, 440 V
      Conventional thermal current outside the casing (Jth) 100, 250, 400 and 630 A
      Conventional thermal current inside the casing (Jth) 80, 200, 315 and 500 A
      AC rated frequency 50 and 60 Hz
      Mechanical wear resistance
      under 100 and 250 A:
      under 400 and 630 A:
       
      25,000 on/off cycles
      16,000 on/off cycles
      Power consumed by the device per pole
      VR32-31
      VR32-35
      VR32-37
      VR32-39
       

      3 W
      15 W
      35 W
      60 W

             
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