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Individual
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Individual
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Priority to ES1972177719UpriorityCriticalpatent/ES177719Y/en
Publication of ES177719UpublicationCriticalpatent/ES177719U/en
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Publication of ES177719YpublicationCriticalpatent/ES177719Y/en
Arc-Extinguishing Devices That Are Switches
(AREA)
Abstract
Improved single phase switch, characterized in that it is mounted in a molded insulating shell of reduced total thickness, constituted by two conjugate halves between which, from the middle transverse axis, they fit the mobile and fixed conductive elements as well as the protection elements, magnetic and thermal, against overcurrents; in the remaining area both half-shells are widened by their lateral edges and have two cavities that together make up a central chamber spark arrester, communicated with the outside by two channels located one on each side edge and provided with two transverse grids each; in each lateral edge of said widening are external connection terminals as well as externally accessible devices for calibrating the corresponding protection elements; one of its smaller edges protrudes the lever of the mobile contact and on the opposite side has two projections vertices, as an extension of the widened area of the housing, for the anchoring of the switch, and optionally other contiguous equal, to a plate or similar support. (Machine-translation by Google Translate, not legally binding)