Marc Rival

Arc extinguishing gas filtering device for electrical current switchgear and electrical current switchgear comprising this filtering device

Air circuit breaker having an improved electric arc quenching chamber

Electrical apparatus for breaking an electric current in air comprising an improved extinguishing gas filtering device

Multipolar air-break circuit breaker including an improved device for filtering quenching gas

Electrical circuit breaker

Short-circuiting device of an electrical installation and system for extinguishing an electrical arc that may appear in such an installation

Bus end arc interrupter

Single-pole breaking unit comprising a rotary contact bridge, and a switchgear device, and circuit breaker comprising such a unit

Device and method for protection from an electric arc

Single-Pole Breaking Unit Comprising a Rotary Contact Bridge, Switchgear Device Comprising Such a Unit and Circuit Breaker Comprising Such a Device

Switchgear device having at least one single-pole breaking unit comprising a contact bridge and circuit breaker comprising one such device

Assembly of a multipole switchgear device with double enclosure and circuit breaker comprising the same

Functional separating spacer of the cartridges in a multipole switchgear device and circuit breaker

Valve system for an arc extinguishing chamber and circuit breaker comprising same

Evaluation of the integrity of depressed contacts by variation of the rotation of the pole-shaft

Contact pad designed for a movable electrical contact of a circuit breaker, movable electrical contact having such a pad and circuit breaker comprising such a contact

Voltage surge protection device