Author Topic: Switchboard  (Read 117 times)

pom007

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« on: September 04, 2017, 08:18:40 am »
        There are both copper conductors and aluminum. The characteristics of the bus bar are commonly used in the flat format is that the rectangular area is rectangular. Because the installation is not difficult. Good heat transfer
        I understand right? I know a few types of switchboard. How does the usage differ? Suggestions from the know offline. แทงบอลสเต็ป