ACB(Mounted Form, Attract out Type) That is a future-generation sort ACB with dynamic characteristic dependability drastically improved by adopting digital overcurrent relay inbuilt with substantial-precision A/D conversion circuit employed for measuring instruments.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