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US29928463521934
A Norma NBR 5410 ela deixa bem claro e diferencia os IDR de alta sensibilidade e os IDR de baixa sensibilidade, sendo os IDR de 30mA e o IDR de 300mA. em circuitos aonde a intenção é a proteção contra choques elétricos é obrigatório o uso do Dr de alta sensibilidade, já em demais circuitos ser utilizado o Dr de 300mA a fim de evitar um princípio de incêndio ou uma fuga de corrente! #eletricidade #eletricista #eletricistas #instalacaoeletrica
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