Mute
US29928463521934
O relé térmico é um dispositivo de proteção utilizado principalmente contra sobrecargas em motores elétricos. Seu funcionamento é baseado no aquecimento de elementos bimetálicos internos, provocado pela corrente que circula pelo circuito. Quando esse aquecimento ultrapassa o limite correspondente à corrente ajustada no relé, ocorre sua atuação. É importante entender que o relé térmico, por si só, não interrompe a corrente do circuito de potência. Mesmo após atuar, a corrente pode continuar circ...
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