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jacobez

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  1. The panel of a UPS section is usually blue.
  2. An option would be to replace the 3P DOL starters with a 1P input - 3P ouput VSD.
  3. If the Earth Leakage is not the main switch it will have it's own separate neutral bar. Circuits feeding from it must connect to this neutral bar and not the main nb. Sorry for the necroing.
  4. You could consider using the Earth Leakage as your main switch. (Better late than never)
  5. That is very useful link.
  6. One of the benefits (apart from re-usability) of circuit breakers is that they have two mechanisms for dealing with over currents. Circuit breakers have a slower thermal sensor for normal over currents, this would be the typically the breakers rated current , i.e. 40A. This slower trip follows a curve so the higher the over amp, the shorter time is will trip, also dependent on outside temperature. They also have a fast magnetic trip for short circuits, typically rated 2.5kA or 6kA for domestic breakers. Though this short circuit refers to an short between conductors.
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