Electric current switching apparatus having an arc extinguisher
Electric current switching apparatus with arc spinning extinguis
Electric current switching apparatus with dual magnet arc spinni
Electric current switching apparatus with tornadic arc extinguis
Electric device having separable contacts with arc switching
Electric power circuit breaker comprising a connecting bar...
Electric switch with arc chute, radially converging arc splitter
Electric switching device comprising an arc-quenching unit
Electrical contact assembly
Electrical service device having an arc prechamber area, arc...
Energy absorbing contact arm stop