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Low-voltage contactor used ceramics vacuum interrupter

  • Type: TJC-1.14/630(BGE508)

  • Vacuum Tube main technique parameter
  • No. Parameter name Unit Value
    1 Rated voltage kV 1.14
    2 Rated current A 630
    3 Rated frequency Hz 50
    4 Rated put through current A 6000
    5 Rated breaking current A 4800
    6 Limiting breaking current A 6000
    7 Rated short-time withstand current A 4800
    8 Rated short-time withstand voltage kA 10
    9 Mechanical life time 1000000
    10 Rated breaking time AC3 Series time 150000
    AC4 Series  
    11 Contact antomatic blocking ability N 70±20
    12 Force required to hold contacts open at full stork N 90±20
    13 Contact automatic blocking ability loop electrical resistance μΩ ≤80
    14 Contact-wear allowance tickness mm 2
    15 Shelf life year 20
    16 Internal gas pressure Pa ≤1.33×10-3