ACB(Fastened Variety, Draw out Form) That is a up coming-generation form ACB with dynamic characteristic trustworthiness considerably improved by adopting electronic overcurrent relay built in with significant-precision A/D conversion circuit utilized 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