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.
Switch-Disconnectors have been certified in accordance to IEC 60947-3 (Switching and Controlling) while the normal ACB has been certified and tested in accordance with IEC 60947-2 (protection applications). Accordingly, each switchgear has a different application and have been tested against different standards. At the same time, although there is no mechanical differences in their mechanical mechanisms, there is a difference in the contacts materials of the devices. Accordingly, the performance of breaking is different between a switch-disconnector and a circuit breaker.
Hence, our advice would be to select the proper device in accordance to the application from the beginning.
Hence, our advice would be to select the proper device in accordance to the application from the beginning.
Released for: Schneider Electric Egypt and North East Africa
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