The utility model discloses a high -voltage vacuum circuit breaker, wherein, high -voltage vacuum circuit breaker includes the spring mechanism box, the intercommunication has a plurality of columnar order insulating housing on the spring mechanism box, be provided with vacuum interrupter in the columnar order insulating housing, quiet conducting rod one end runs through upward terminal outgoing lines is connected to vacuum interrupter's upper end, the other end, moves conducting rod one end and runs through vacuum interrupter's lower extreme, terminal outgoing lines under the other end is connected, vacuum interrupter's outside parcel has the translucent cover, the translucent cover inner wall with vacuum interrupter's outer wall encloses mutually to close and forms airtight space, just the intussuseption of airtight space is filled with coloured gas, be provided with on the columnar order insulating housing and overhaul the switch door. The problem of general vacuum circuit breaker all be inclosed, whether hardly the vacuum interrupter to inside examines and repair, observe its inside vacuum state and destroyed is solved.