The 2CDS253001R0317 from ABB is a Circuit Breaker with 230/400VAC, 3A International Nominal Current (Inom), 3 poles, a Din rail mount, Characteristic type 'K' and 6kA Icn rated breaking capacity. This product is a great choice for applications that need a breaker capable of operating for long periods, under moderate load, with great interrupting capacity. The device is suited for installations that require a three phase, three pole breaker with a 'K' type characteristic which carries a current of up to 3A. When installed, the breaker will provide maximum circuit protection for the system.