ACB(Set Form, Attract out Form) This is the up coming-era variety ACB with dynamic characteristic trustworthiness greatly enhanced by adopting electronic overcurrent relay built-in with high-precision A/D conversion circuit used 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??