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The function of the busbar is to save the labor installation cost and wire cost of circuit breaker products. It has 1P, 1P+N, 2P, 3P, 4P and other customized specifications, with different thicknesses and lengths according to different current required.
As its very convenient installation and consistency after installation, it is very popular now, but because the entire line is connected together, it is more troublesome when a single circuit breaker needs to be repaired, so when we choose to use or not, it applys according to different occasions.
Application of Busbar
Busbar is not necessary to use a low capacitance copper bar. Small voltage drop means less energy loss, and ultimately save the user’s investment. As for the cable, because the core of the cable is multi-strand fine copper wire, its root area is larger than that of the bus with the same current level. And its “skin effect” is serious, reducing the current rating, increasing the voltage drop, easy to heat. The energy loss of the line is large and it is easy to be aged.
