ACB(Preset Sort, Attract out Form) That is a next-era type 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?– ?i?u ch?nh th?i