Circuit interrupters

Circuit breaker device comprising a plurality of separable contact sets connected in series and arranged for simultaneous separation in a fluid (gas or liquid), arc extinguisher, switch in which at least one set of contacts is arranged so that their separation occurs in an environment essentially free of fluid circulation conditions, resulting in a simple rupture; and wherein at least one other set of contacts is associated with means for producing a circulation of extinguishing fluid from the arc therein during the opening operation of the switch. (Machine-translation by Google Translate, not legally binding)