ACB(Fastened Variety, Draw out Style) This is the upcoming-era type ACB with dynamic attribute reliability greatly improved by adopting digital overcurrent relay in-built with large-precision A/D conversion circuit useful 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?By Tr?n Hoài Th??ng &bul