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Low –voltage contactor used ceramic vacuum interrupter

  • Type: TJC-1.14/400 (BGE507)

  • Vacuum Tube main technique parameter
  • No. Parameter name Unit Value
    1 Rated voltage kV 1.14
    2 Rated current A 400
    3 Rated frequency Hz 50
    4 Rated put through current A 4000
    5 Rated breaking current A 3200
    6 Limiting breaking current A 4000
    7 Rated short-time withstand current A 3200
    8 Rated short-time withstand voltage kA 10
    9 Mechanical life time 1000000
    10 Rated breaking time AC3 Series time 150000
    AC4 Series 6000
    11 Contact antomatic blocking ability N 60±20
    12 Force required to hold contacts open at full stork N 80±20
    13 Contact automatic blocking ability loop electrical resistance μΩ ≤100
    14 Contact-wear allowance tickness mm 2
    15 Shelf life year 20
    16 Internal gas pressure Pa ≤1.33×10-3