| 摘要 |
A gas insulated switchgear (100) includes: an enclosure (102); a stationary contact arm (170) fixedly installed within the enclosure (102); a movable contact arm (160) installed to be moved within the enclosure (102) such that it is brought into contact with or separated from the stationary contact arm (170); a cam (120) reciprocating between closing and opening positions to move the movable contact arm (160); and an actuator (200) moving the cam (120), wherein the cam (120) includes first and second cam surfaces (124a, 124b) , and when the cam (120) moves to an opening position by the actuator (200), movement acceleration of the movable contact arm (160) by the first cam surface (124a) is greater than movement acceleration by the second cam surface (124b) and a movement distance of the movable contact arm (160) by the first cam surface (124a) is smaller than a movement distance by the second cam surface (124b). |
