ABB-2CDS384001R0404 S 304 P-C 40 The product ABB-2CDS384001R0404 (S 304 P-C 40) is a reliable automatic circuit breaker from the PRO M series. It features a C-curve characteristic with a rated current of 40A and a short circuit capacity of 20kA. Designed with 4P 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.