ACB(Fastened Style, Attract out Type) It is a following-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.S? d?ng cho h? th?ng ?i?n h? th? khi ngu?n c?p ph? t?i b? gián ?o?n B? chuy?n m?ch t? ??