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  1. E

    Why would the Main breaker trip?

    I have been a solar system designer for nearly 3 years, this is one of our larger 3ph projects. Unfortunately our head electrician left the company since the initial install of this project.
  2. E

    Why would the Main breaker trip?

    I recently installed a photovoltaic solar system for a customer but there seems to be a problem with on of the breakers. Here is a bit of context: The panelboard is a 100A main/125A bus 3ph 480V. The sum of the breakers is 120A (30,30,30,15,15) and each breaker is connected to an inverter. What...

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