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.
Selection of a circuit breaker depends essentially on :
•Type of system - determines the type of product and the number of poles connected in series for each polarity
•Rated voltage - determines the number of series poles taking part in current interruption.
•Nominal current - determines the rated current of the circuit breaker.
•Maximum short-circuit current at the point of installation - determines the breaking capacity.(based on L/R time constant)
Released for:Schneider Electric Egypt and North East Africa
