ABB-2CDS633031R0505 3kA, 3P, B-Char., 50A The product ABB-2CDS633031R0505 (3kA, 3P, B-Char., 50A) is a reliable automatic circuit breaker from the BASIC M series. It features a B-curve characteristic with a rated current of 50A and a short circuit capacity of 3kA. 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.