ACB(Set Variety, Attract out Form) This is the next-technology type ACB with dynamic characteristic reliability greatly improved by adopting digital overcurrent relay built-in with high-precision A/D conversion circuit used for measuring devices.– ?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 Hoài Th??ng •