| 摘要 |
PURPOSE: An instantaneous pressure relief device for a transformer capable of improving safety is provided to indirectly combine a first body and a second body using a bolt, thereby releasing the internal pressure of the transformer to the outside. CONSTITUTION: A second body(300) is combined to a first body(100). The second body fixes a rupture film(200) on the first body with pressurization. A knife blade member(400) is combined to the second body. The knife blade member ruptures the rupture film. An external cap(500) is combined to the upper side of the second body.
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