Mute
US29928463521934
⚡ IDR precisa de neutro? Muita gente ainda acha que o IDR usa o neutro como referência… mas isso não é verdade. O IDR funciona pela leitura da corrente residual, comparando o que sai e o que retorna pelos condutores ativos. Se houver diferença, ele atua — independente da presença do neutro. Neste vídeo eu mostro, na prática, como ligar um DR tetrapolar em um circuito trifásico sem neutro, explicando quais polos utilizar para garantir o funcionamento correto, inclusive do botão de teste. @JNG #...
Follow
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