This device is a rated current 400A circuit breaker from EasyPact CVS400F.The rated breaking capacity(Ics) is 36kA at 415VAC,and complete range with Ics=100%Icu.The version of breaker is 3poles frame with detection on 3poles, also accompanied ETS 2.3 trip unit for electronic protection.It is conformed to standard IEC60947-2 for circuit breakers part.This device is certified for operation in pollution degree III environment as defined IEC60947-1