The ABB 2CDS254001R0044 is a 4-pole, DIN-compatible circuit breaker with a rated voltage of 230/400VAC, an Inom (Rated Current) of 4A, a Chract (Characteristic) of C, and a rated 6kA. It is used for short-circuit and overload protection, as well as overcurrent control in electrical systems and installations, motor control circuits, and more. The product is manufactured following UL, CE, IEC, and CCC standards.