ACB(Preset Type, Draw out Kind) It is a upcoming-technology form ACB with dynamic attribute trustworthiness enormously enhanced by adopting electronic overcurrent relay built-in with superior-precision A/D conversion circuit useful 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?B? ?i?u khi?n ATS C