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Priority to ES89321UpriorityCriticalpatent/ES89321Y/en
Publication of ES89321UpublicationCriticalpatent/ES89321U/en
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Publication of ES89321YpublicationCriticalpatent/ES89321Y/en
An automatic switch-off limit switch, characterized in that it comprises a connection body to the line, of the type of threaded cap and flat lower terminal, to which a conductive wire is connected, partially wound on a rotating roller on its axis arranged horizontally, whose axis is connected to a fixed contact plate carrying contacts, on which a second mobile contact plate with contacts coincides, longitudinally displaceable along two guides fixed on the base part and kept in contact position thanks to a trigger mounted on the rotating roller the latter also being mounted, a spring that keeps the wire in tension, to the end of which it is attached, causing the breaker trip, when said wire is heated, above a predetermined limit. (Machine-translation by Google Translate, not legally binding)