ABB-2CDS383001R0044 S 303 P-C 4 The product ABB-2CDS383001R0044 (S 303 P-C 4) is a reliable automatic circuit breaker from the PRO M series. It features a C-curve characteristic with a rated current of 4A and a short circuit capacity of 25kA. Designed with 3P poles, this breaker is built to ensure robust protection. Compliant with N/A standards, it is packaged in BOX format. An ideal choice for modern electrical systems.