This FAQ has been written for NEAL (North East Africa and Levant) region. If you are looking for information for another region, please select the correct country from the top-left dropdown in the page and 'Navigate to Browse FAQs' in the Support menu.
You have to follow the temperature derating charts which are provided in the relevant Catalogs of our Circuit Breakers.
For the Masterpact NT/NW we have in the Catalog (page B-15 of 2012 Masterpact Catalog) a chapter explaining the de-rating in switchboards (IP31 and IP54). The values are given for standard IP ratings and we do not have the ratings for IP66 and for this you have to use the temperature derating charts (IP66 is never recommended for indoor applications).
kindly find attached PDF for more info
For the Masterpact NT/NW we have in the Catalog (page B-15 of 2012 Masterpact Catalog) a chapter explaining the de-rating in switchboards (IP31 and IP54). The values are given for standard IP ratings and we do not have the ratings for IP66 and for this you have to use the temperature derating charts (IP66 is never recommended for indoor applications).
kindly find attached PDF for more info
Released for:Schneider Electric Egypt and North East Africa
