Railway electrification breaker device and electric conducting structure thereof

The utility model relates to a railway electrification breaker device and an electric conducting structure thereof. The railway electrification breaker device comprises an arc extinguish chamber, a current transformer and a primary moving contact, wherein a square-shaped support is fixedly arranged on the lower end of the arc extinguish chamber, a moving contact connection plate is connected onto the primary moving contact and is provided with a moving contact vertical connection plate segment arranged in a spaced and parallel manner with a left side face of the square-shaped support, an insulation support plate is sandwiched between the moving contact vertical connection plate segement and a left side of the square-shaped support, and a transformer connection plate is connected between the current transformer and a lower side face of the square-shaped support. The electric conducting structure which is strong in through-current capability and the railway electrification breaker device using the electric conducting structure are provided.