The ABB 2CDS273001R0631 is a circuit breaker with 400VAC rated voltage, 63A rated current, 3 poles, DIN compatibility, a Characteristic D curve, and 10kA breaking capacity. It is designed for use in general electrical switchgear applications, such as motor circuit protection, switchgear overcurrent protection, emergency stop and fire protection systems. The circuit breaker features an adjustable (inbuilt) trip setting and thermal-magnetic operation for reliable and safe switching. Its design also includes multiple safety features, such as overvoltage and undervoltage release, shockproof insulation, short-circuit protection, and protection against electric shock. Its robust construction and advanced design make it an ideal choice for demanding electrical requirements.