There is no standard to capacity of copper busbar. Current carrying capacity of copper busbar and the level are relevant to the use of the environment. Heat is proportional to the square of the current capacity of copper busbar and is not linear with the electricity. Carrying capacity of copper busbar is also related to the use of the environment, if the heat dissipation performance of the device is good, the capacity of copper busbar can be a little large.
How do you to measure the capacity of copper busbar? Measure the width and thickness of the strip. Multiply them together to find the cross-section area, and treat it as normal wire of the same cross-section area. Then, you can get the current capacity of copper busbar. Let’s look a chart of current capacity of copper busbar.
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The chart is current carrying capacity of copper busbar under specified conditions.
Because of different product technology, the carrying capacity of copper busbar is also different that should be based on circumstances.
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