產品概述：
隨著國網檢驗日趨嚴苛，同時各種誤操作層出不窮，所以為了解決現有產品五防誤操作問題(即當斷路器機構合閘后，在擋住隔離主軸失效的情況下手柄插入隔離操作孔可以強行斷開隔離開關造成嚴重安全隱患)，特改進了此斷路器和隔離機構硬連鎖方案，真正達到了“硬”連鎖要求。
With the increasingly strict inspection of the State Grid, and at the same time various misoperations emerge endlessly, in order to solve the problem of five anti-misoperation of existing products (that is, when the circuit breaker mechanism is closed, the handle can be inserted into the isolation operation hole in the case of blocking the failure of the isolation spindle and can forcibly disconnect the disconnector and cause serious safety hazards), the hard chain scheme of this circuit breaker and isolation mechanism is specially improved, and the "hard" chain requirements are truly met.
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