High pressure circuit breaker device (or said high pressure switch) it not only can cut or closed high pressure circuit in the of no-load current and load current, and Dang system occurred fault Shi through following electrical protection device of role, cut had load current and short-circuit current, it has quite perfect of out arc structure and enough of stop-capacity, can is divided into: oil circuit breaker device (more oil circuit breaker device, and less oil circuit breaker device), and six fluoride of sulfur circuit breaker device (SF6 circuit breaker device), and vacuum circuit breaker device, and compression air circuit breaker device,.