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Rotary isolator sizing

Baldyhugh

Hi

is it acceptable to use a rotary isolator which is a larger rating than required eg. Using a 32a isolator for a 16a or 20a circuit? Dependant on manufacturer, the higher rated ones are physically larger and offer more space inside for wiring. With my wholesaler there is only a couple of pounds difference in price, so it seems sensible to use the larger one but was curious if there was a regulation reason why I shouldn’t.

 

thanks

 

Peter

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  • 0

    im about to spec up 20 or so isolators on a job, balking at the cost of Schneider steel ones, I'm going plastic, but will spec 32a, even though almost all of them only need 16a supplies

     

    its about £2 difference at the most

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  • 0

    im about to spec up 20 or so isolators on a job, balking at the cost of Schneider steel ones, I'm going plastic, but will spec 32a, even though almost all of them only need 16a supplies

     

    its about £2 difference at the most

Children
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