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RCBO In Distribution Board or Isolator With RCD?

Nano Brewery
I'm trying to decide which would be the most suitable and sensible option? 


I have a Control Board that will be switching 4x 3-Phase Immersion Elements.

9kW

9kW

6kW

3kW


Control Board has Rail Mount Fuse Holders & Contactors installed for each circuit.


My question is would it be better to have a suitably rated RCBO installed in the Distribution Board which will be feeding the Control Board or should I go with downstream Isolators with RCD's?  I'm leaning towards the later as I would have separate RCD protection on each circuit.


Look forward to your feedback.  Cheers, Dan.

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  • 0
    Cheers both of you.  I have had two electricians to look and quote.  Both quotes were well out of my budget.  It's only a very small brewery.  I am now getting advice/guidance from another to do most of the work myself.  It's always good to get a 2nd, 3rd or 4th opinion though.
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  • 0
    Cheers both of you.  I have had two electricians to look and quote.  Both quotes were well out of my budget.  It's only a very small brewery.  I am now getting advice/guidance from another to do most of the work myself.  It's always good to get a 2nd, 3rd or 4th opinion though.
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