Siemens 7MF4420-3BB00-1AA1

The Siemens 7MF4420-3BB00-1AA1 is a robust circuit breaker designed for industrial automation applications, particularly in power distribution and control environments. With a rated current of 400A and a maximum voltage of 690V, this electrical device is engineered to protect circuits from overloads and short circuits, ensuring reliable operation in demanding conditions. It features an impressive rated breaking capacity of 40kA and operates effectively within a temperature range of -20°C to 40°C. Although primarily designed for manual operation, it includes visual indicators that assist in monitoring its status. Installation and maintenance should be performed by qualified professionals, following the detailed instructions provided in the user manual. This circuit breaker stands out as a vital component for ensuring electrical safety and system integrity in various industrial settings.