IMPROVEMENTS IN A DISPLAY ELECTRIC SWITCH
Номер патента: ES549292A0
Опубликовано: 16-07-1986
Автор(ы):
Принадлежит: Telemecanique Electrique SA
Опубликовано: 16-07-1986
Автор(ы):
Принадлежит: Telemecanique Electrique SA
Реферат: A screened electric switch in which the screen is inserted at high speed between the contacts and in which a mobile shutter with a sealing surface basically fixed relatively to the housing drives the screen with a speed which is a function of the energy of the arc. This switch is applicable to circuit breaking devices designed to check the rise of short-circuit currents or high steady-state rated currents.
Improvements in means for operating a plurality of electric switches by a single operating member
Номер патента: GB377842A. Автор: . Владелец: Arrow Hart and Hegeman Electric Co. Дата публикации: 1932-08-04.