The cabinet is equipped with electric hand ring, electric spring mechanism to operate the load switch, grounding switch and isolating switch with manual operating mechanism.
本环网柜配用电手，电动弹簧机构来操作负荷开关，接地开关和隔离开关配用手动操作机构。
2
The design, operating principle and fitting process of hand-operated going up and down mechanism of national flag are introduced in this paper.