公开(公告)号：US20200295543A1

公开(公告)日：2020-09-17

申请号：US16657258

申请日：2019-10-18

Applicant: LSIS CO., LTD.

Inventor： Jongdoo KIM ,  Jihoon MA ,  Sangwon NAM ,  Jaekwon KOH

IPC: H02B1/56

Abstract: The present disclosure relates to an arc ventilation system of a distributing board, and more particularly, to an arc ventilation system of a distributing board to minimize an arc flowing forward to prevent damage. In the arc ventilation system of a distributing board in which a plurality of compartments are provided, a first compartment accommodating an electric power device which can be drawn in or out, among the plurality of compartments, comprises an arc blocking part blocking a space between the electric power device and the first compartment at an operation position of the electric power device.