ACB(Fastened Style, Draw out Kind) That is a upcoming-technology style ACB with dynamic characteristic reliability drastically enhanced by adopting electronic overcurrent relay inbuilt with substantial-precision A/D conversion circuit employed for measuring instruments.– T? ??ng kh?i ??ng ho?c d?ng ho?t ??ng ( c?a DG ) khi ngu?n ?i?n có s? c?–