ACB(Set Sort, Draw out Form) This is the subsequent-generation sort ACB with dynamic characteristic dependability considerably enhanced by adopting electronic overcurrent relay in-built with superior-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?B? ?i?u k