The ABB 2CDS273001R0011 is a three-pole, 400-volt AC circuit breaker with a rated current of 1 ampere and a character rating of D (10kA) rated for DIN-rail mounting. It is designed to protect electrical circuits and equipment from overloads, short circuits, and ground faults. The standard version of the circuit breaker has interrupting ratings to 10kA, making it ideal for residential, commercial, and industrial applications. In addition to the breaker itself, ABB also sells separately a range of accessories for the 2CDS273001R0011, including holders, actuators, signaling contact kits, and trip units.