Three-phase combined type overvoltage protector

Three-phase combined type overvoltage protector

  • CN 2,144,888 Y
  • Filed: 02/13/1993
  • Issued: 10/27/1993
  • Est. Priority Date: 02/13/1993
  • Status: Active Grant
First Claim
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1. , a kind of Modular Three-Phase Overvoltage Protector, being connected in series by discharging gap and valve block constitutes the protection branch road, it is characterized in that:

  • A, mid point M is set, becomes to penetrate shape from mid point M and connect four protection branch roads, another end points of described four protection branch roads connects the A phase line of protected equipment, B phase line, C phase line and ground wire G respectively;

    B, described respectively to protect the valve block in the branch road be zinc oxide valve plate.

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