Importance

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Abstract

A resistive thermostat for Motors protection against electrical overcurrents and overtemperature, having a rectangular prismatic body, with a front side cover, and a back side face being provided with a corner lowering having a spherical sector shape, as well as a pair of thin rectangular windows, the rectangular body forming an enlargement of its front edge for fitting of the cover, from which a lower tab is appended, having a locating end cutout with reference to two pins of a three-pins connection plug; and further; inside the prismatic box, corresponding to the pair of thin side windows, it is provided an end pair of metallic supports for an electrical resistor, wherein one of such support projects a balanced metallic blade outside the box, including one of its connection terminals, while in the other inner support having a C shaped attached to the end of the balanced bimetallic blade, immediately subjacent and connected in series with the electrical resistor and with the lower opposite and free end of the balanced metallic blade having a movable contact button facing a fixed button, the fixed button being mutual with a binding or inlet terminal, aligned with a corresponding orifice provided on the surface of the front side cover, and receiving a third pin of a protector three-pins coupling plug from the motor.

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First Claim