Rotary isolator sizing

Baldyhugh over 3 years ago

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 Baldyhugh over 3 years ago

Thanks for your replies, much appreciated. Yea for the matter of a couple of pounds difference, I tend to go for the larger rates ones. Some off the cheaper brand of isolators are badly designed in my opinion and leave very little room to manipulate the cabling into the terminals so would go for the larger which offers more space. Thanks again
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0 Baldyhugh over 3 years ago

Thanks for your replies, much appreciated. Yea for the matter of a couple of pounds difference, I tend to go for the larger rates ones. Some off the cheaper brand of isolators are badly designed in my opinion and leave very little room to manipulate the cabling into the terminals so would go for the larger which offers more space. Thanks again
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Rotary isolator sizing

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