断路器具有一种新颖的手动操作机构，能确保DW50断路器在主触头闭合时不会再储能，而在主触头断开时能正常储能。
The features, performances and main technical parameters of DW50-1000 were introduced in this paper, especially a new manual operation mechanism of the circuit breaker.
断路器具有一种新颖的手动操作机构，能确保DW50断路器在主触头闭合时不会再储能，而在主触头断开时能正常储能。
The features, performances and main technical parameters of DW50-1000 were introduced in this paper, especially a new manual operation mechanism of the circuit breaker.
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