ACB(Set Sort, Attract out Variety) This is a subsequent-generation kind ACB with dynamic characteristic reliability drastically enhanced by adopting electronic overcurrent relay in-built with significant-precision A/D conversion circuit useful for measuring devices.– T? ??ng kh?i ??ng ho?c d?ng ho?t ??ng ( c?a DG ) khi ngu?n ?i?n có s? c?By Tr?n