ACB(Mounted Variety, Attract out Form) This is the next-generation kind ACB with dynamic characteristic reliability drastically enhanced by adopting electronic overcurrent relay in-built with superior-precision A/D conversion circuit used for measuring instruments.– ?i?u ch?nh th?i gian chuy?n m?ch tr?c ti?p trên m?t c?a b? ?i?u khi?nBy Tr?n Ho�