| 摘要 |
PURPOSE: A safety cover device is provided to allow for ease of maintenance by permitting the safety cover to be open/shut, while shortening the working time. CONSTITUTION: An iron power distribution board comprises a case, and a door(2) mounted on a front door frame(4) of the case. The case accommodates an internal plate, and an internal unit is attached to the internal plate. A safety cover(11) for protecting the internal unit is mounted on the front surface of the internal unit. A hinge piece(12) is mounted on one side of the door frame, and the safety cover is coupled to the hinge piece in such a manner that the safety cover is rotatable centering from the pin. A support bracket is fixed at the other side of the internal plate, and the support bracket has a screw hole.
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