functional insulation as well as other insulation exists on circuit boards. Typically, the surface environment of a circuit board is determined to be either Pollution degree 3 or pollution degree 2.If the circuit board is mounted in an electrical box and sealed with a solid sealant, the sealing will look as follows: What should be…
The following circuit diagram The current fuse in position F1 is usually connected in series with the line.The photos of the real thing are shown in the following two pictures, the left one is not labeled, the right one shows the location of the current fuse and some other basic information. In the diagram above,…
در جدول 17 و جدول 18 یادداشتی به عنوان “برای ولتاژهای کاری و gt؛ 10 ولت و 630 ولت وجود دارد، اگر ولتاژ در جدول مشخص نشده باشد، مقادیر فواصل خزش ممکن است با درون یابی پیدا شوند.”. اگر ولتاژ عملیاتی مقدار ذکر شده در جدول نیست، معمولاً باید محاسبه کنیم تا مقدار حد را…
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