ACB(Preset Kind, Draw out Sort) This is the following-technology kind ACB with dynamic attribute dependability considerably enhanced by adopting electronic overcurrent relay built-in with high-precision A/D conversion circuit used 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