| 摘要 |
PURPOSE: An instant pressure relief device for a transformer is provided to prevent dielectric breakdown due to rainwater by preventing rainwater inflow into the inside. CONSTITUTION: An opening part(102) is formed at the center. A neck(110) is formed on the upper circumference section of the opening part. A body(100) includes an installation groove. A blade member(200) is combined with the neck. A rupture film(300) covers the opening part of the body. A fixing ring(400) fixes the rupture film to the body. An external cap(500) is combined with the neck of the body.
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