How to Choose Busbar ?

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How to Choose Busbar ?

What is busbar ?

This is how Wikipedia explains busbar: In electric power distribution, a busbar (also bus bar) is a metallic strip or bar, typically housed inside switchgear, panel boards, and busway enclosures for local high current power distribution.

100A 4 way busbar

What is is busbar main parameter ?

In fact, busbars are generally copper bars or aluminum bars, and usually have multiple holes for installing fixing studs or screws. Each hole allows current distribute to the electrical appliance.Busbar main parameter is the maximum current it can carry. This is related to the thickness of the busbar. The thicker the busbar, the higher the current it can carry.

red black studs busbar (7)

How to choose the busbar ?

First of all, you need to know the maximum current flowing through the busbar in the circuit, and choose the busbar rated current can withstand is greater than the maximum current of the circuit, otherwise the busbar will be burnt out due to the increase in temperature, followed by the shape and size of the appropriate installation, and finally select the bolts you need or Number of screw dispensers.8-way 600A busbar (5)


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