ACB(Fixed Kind, Draw out Sort) That is a future-technology style ACB with dynamic attribute trustworthiness significantly improved by adopting digital overcurrent relay built in 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?– ?i?u ch?nh