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S.P.D.s and Populated Consumer Units.

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Are new populated consumer units with S.P.D.s fitted designed to mainly protect the sensitive electronic equipment downstream of the S.P.D.s WITHIN THE CONSUMER UNIT? Is that the makers' MAIN intention as R.C.D.s, R.C.B.Os and other sensitive electronic devices can be damaged by Voltage surges, as compared to basic protective devices like wire or cartridge fuses or more basic M.C.B.s?

https://www.youtube.com/watch?v=5OuirPKoY0c


Z.
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    Chris Pearson:


    So CU change in a rural location which definitely fails the risk assessment. The space for it just allows for a dual-RCD CU, but there is no room for the extra width of an SPD. As I see it, the only solution is to have a separate enclosure for the SPD.

     

    Or use RCBOs. That frees up 4 ways from the RCDs, 2 of which are then taken by the SPD.
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  • 0

    Chris Pearson:


    So CU change in a rural location which definitely fails the risk assessment. The space for it just allows for a dual-RCD CU, but there is no room for the extra width of an SPD. As I see it, the only solution is to have a separate enclosure for the SPD.

     

    Or use RCBOs. That frees up 4 ways from the RCDs, 2 of which are then taken by the SPD.
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