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[詢問]台達電UPS電源開關零件名稱如何稱呼？有附照片

Mar 20th 2015, 16:09

[詢問]台達電UPS電源開關零件名稱如何稱呼？有附照片

請問各位大大:

因為按壓UPS開關按鈕，壓到手痛也依然壓不下去，所以拆開查看，照片中的黑點開關該如何稱呼呢？

打算去光華商場找這個零件，

開關有4個腳位，這4個腳位有分極性嗎？焊接時有沒有要注意的地方呢?

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