A vacuum interrupter, comprising: a housing with a vacuum state therein; first and second movable electrodes (120, 130) partially accommodated within the housing and provided with first and second movable contacts (140, 150) at respectively first ends thereof, the first and second movable electrodes (120, 130) being capable of moving in forward/backward directions so that the first and second movable contacts (140, 150) contact each other and separate from each other by movements in forward/backward directions of the first and second electrodes (120, 130); first and second driving units (170a, 170b) respectively connected to second ends of the first and second movable electrodes (120, 130) and moving the first and second movable electrodes (120, 130) in forward/backward directions; and a controller controlling movements of the first and second driving units (170a, 170b), wherein the controller is configured to adjust moving times and moving speeds of the first and second movable electrodes (120, 130) by adjusting times of applying current to the first and the second driving units (170a, 170b), wherein each of the first and second driving units (170a, 170b) includes: a contact coil generating magnetic force by using current applied from the controller and moving an associated movable electrode so that the first and second movable contacts (140, 150) contact each other; and a separation coil generating magnetic force by using current applied from the controller and moving an associated movable electrode so that the first and second movable contacts (140, 150) separate from each other wherein the controller applies current to the contact coils such that the first and second movable contacts (140, 150) contact each other, and applies current to the separation coils just before the first and second movable contacts (140, 150) contact each other such that moving speeds of the first and second movable contacts (140, 150) gradually decrease. a housing with a vacuum state therein; first and second movable electrodes (120, 130) partially accommodated within the housing and provided with first and second movable contacts (140, 150) at respectively first ends thereof, the first and second movable electrodes (120, 130) being capable of moving in forward/backward directions so that the first and second movable contacts (140, 150) contact each other and separate from each other by movements in forward/backward directions of the first and second electrodes (120, 130); first and second driving units (170a, 170b) respectively connected to second ends of the first and second movable electrodes (120, 130) and moving the first and second movable electrodes (120, 130) in forward/backward directions; and a controller controlling movements of the first and second driving units (170a, 170b), wherein the controller is configured to adjust moving times and moving speeds of the first and second movable electrodes (120, 130) by adjusting times of applying current to the first and the second driving units (170a, 170b), wherein each of the first and second driving units (170a, 170b) includes: a contact coil generating magnetic force by using current applied from the controller and moving an associated movable electrode so that the first and second movable contacts (140, 150) contact each other; and a separation coil generating magnetic force by using current applied from the controller and moving an associated movable electrode so that the first and second movable contacts (140, 150) separate from each other wherein the controller applies current to the contact coils such that the first and second movable contacts (140, 150) contact each other, and applies current to the separation coils just before the first and second movable contacts (140, 150) contact each other such that moving speeds of the first and second movable contacts (140, 150) gradually decrease. a contact coil generating magnetic force by using current applied from the controller and moving an associated movable electrode so that the first and second movable contacts (140, 150) contact each other; and a separation coil generating magnetic force by using current applied from the controller and moving an associated movable electrode so that the first and second movable contacts (140, 150) separate from each other wherein the controller applies current to the contact coils such that the first and second movable contacts (140, 150) contact each other, and applies current to the separation coils just before the first and second movable contacts (140, 150) contact each other such that moving speeds of the first and second movable contacts (140, 150) gradually decrease.