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Isolating multiple supplies

I have two supplies of different types coming into a distribution rack

(type 1 : 230V 1Ph+N  max load 25A

type 2 : 110VAC reduced low voltage / centre tapped earth max load 55A ) 


id like if I can to isolate both using one 63A 4 pole isolator (coloured red yellow for emergency switching off). I can see from both the wiring regs and EN 60204 (this machine will require CE Marking) that every supply requires a means of isolation, but I can’t be sure if this means it’s own independent isolator. I kinda feel that I shouldn’t be mixing different supply types on the same isolator but then it would be actually useful in this particular installation. So is this bad practice?


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  • Now I've re read the statement from 60204, I think it is quite clear!


    Thank you for the link to the 2-block isolator, i had no idea there was such a thing on the market although I'd still class it as a single isolator. Guess I'll stick 2 isolators on the DB rack.


    Cheers
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  • Now I've re read the statement from 60204, I think it is quite clear!


    Thank you for the link to the 2-block isolator, i had no idea there was such a thing on the market although I'd still class it as a single isolator. Guess I'll stick 2 isolators on the DB rack.


    Cheers
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