ABB-2CDS383001R0634 S 303 P-C 63 The product ABB-2CDS383001R0634 (S 303 P-C 63) is a reliable automatic circuit breaker from the PRO M series. It features a C-curve characteristic with a rated current of 63A and a short circuit capacity of 15kA. 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.