First of all, we should understand the advantages and disadvantages of these two bus ducts, so as to accurately select the type according to their own use site and requirements.

空气式插接母线槽散热好、防潮性能好、输送电流大、维护方便，母线槽可带多个插孔，两面出线，特别适用于对工厂设备供电。密集型母线槽是铜排经过绝缘处理后紧密的挨在一起，密封在外壳的里面，散热通过外壳，效率也很高，其外形尺寸比空气型的要小一些，而且不需要担心会有异物落入槽内，影响正常工作，但密集型的会贵一些。

The air plug-in bus duct has good heat dissipation, good moisture-proof performance, large transmission current and convenient maintenance. The bus duct can be equipped with multiple jacks and outgoing lines on both sides, which is especially suitable for power supply to factory equipment. Dense bus duct is that copper bars are closely connected after insulation treatment and sealed in the shell. Heat dissipation passes through the shell, which is also very efficient. Its overall size is smaller than that of air type, and there is no need to worry that foreign matters will fall into the groove and affect normal work, but the price of dense bus duct will be more expensive.

在选择母线槽时，如果预算充足亚威电缆的小编建议选择密集型母线槽。但这种母线槽又分为很多的型号，这就需要根据具体的使用环境来选择了。同是密集型的母线槽其导体材质分为铜排、铝排和铜铝复合三种，会有很大的差异。

When selecting bus duct, if the budget is sufficient, it is recommended to select dense bus duct for the small braid of Yawei cable. However, this bus duct is divided into many models, which needs to be selected according to the specific use environment. For the same dense bus duct, its conductor material is divided into copper bar, aluminum bar and copper aluminum composite, and the price will be very different.

绝缘性由于绝缘材料的不同也不一样，还有外壳的材质及结构的不同也影响了散热效果，不同的型号电容也不一样，根据实际的需要选择型号避免出现超负荷使用或电容过大投资浪费。

Insulation is also different due to different insulating materials, different shell materials and structures also affect the heat dissipation effect, and different models of capacitors are also different. Select models according to actual needs to avoid overload use or excessive investment waste of capacitors.

具体到使用环境其按照的方式不同也需要具体考虑，因为不同型号的母线槽其外形尺寸也不一样，有的特殊的环境甚需要定制生产。

Specific to the use environment, it also needs to be considered in different ways, because the overall dimensions of different types of bus duct are also different, and some special environments even need customized production.

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