ACB(Preset Type, Draw out Sort) This is the next-generation sort ACB with dynamic characteristic dependability considerably enhanced by adopting electronic overcurrent relay inbuilt with substantial-precision A/D conversion circuit employed 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?By Tr?n Ho