ACB(Fixed Variety, Attract out Sort) This can be a next-era variety ACB with dynamic attribute dependability tremendously enhanced by adopting electronic overcurrent relay built in with substantial-precision A/D conversion circuit useful 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?nB? ?i?u khi?n AT