The ABB 2CDS253103R0065 circuit breaker is a triple pole plus neutral device with a rated operational voltage of 230/400V AC and an operational current of 6A. It has a DIN rail mounting style for easy installation in a variety of locations, and is equipped with a B rated trip curve. This breaker is used to protect electrical circuits, wiring, and equipment from excessive current flows due to overload, short circuits, and other faults. It is designed to quickly detect and break an overcurrent flow, providing reliable protection against fires, equipment damage, and other hazards.