| 摘要 |
The invention relates to an electromagnetic actuator (1) for a medium voltage vacuum circuit breaker (2), comprising at least one movable ferromagnetic plunger (3) which is guided by at least one axis (4) in a ferromagnetic frame (5), wherein at least one permanent magnet (6) is arranged on an inner extent area of the ferromagnetic frame (5), and wherein at least one coil (7) is at least partially arranged inside the ferromagnetic frame (5), and the at least one permanent magnet (6) is extended perpendicular to the at least one axis (4) in the coil overhang area (A). |
