| 摘要 |
The utility model relates to an arc extinguishing device of a circuit breaker, which comprises a plurality of first gratings, support members and second gratings, wherein the first gratings are provided with linear parts arranged in a mutual separation way and connection parts connected with the linear parts; the support members accommodate the linear parts inside, support the first gratings in a layered shape and cut off the sides of the linear parts; and the second gratings are arranged in the inner sides of the support members. By means of the device, the arc can be quickly extinguished. |
