因為有一個無熔絲開關。
上面影片是介紹熱動兼電磁式無熔絲開關。
補充：
當快速切斷彈簧彈開時，操作紐就會跳到OFF。
變電箱為何在用電過量時會自動斷電?
變電箱為何在用電過量時會自動斷電?
因為有一個無熔絲開關。
上面影片是介紹熱動兼電磁式無熔絲開關。
補充：
當快速切斷彈簧彈開時，操作紐就會跳到OFF。
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- Uploaded by: a9414036
- Upload date: 06-19-2009 10:41:51
- Duration: 01:19
- Views: 218
- Tags: 無熔絲開關
- Categories: Technology
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介紹的很詳細,可惜你沒有用實體介紹。