HEINEMANN CD3-A3-DUW-40-240AC-2 is a circuit breaker manufactured by HEINEMANN. The device is associated with the part number CD3-A3-DU0040-02A and is identified in documentation by the model CD3-A3-DUW-40-240AC-2. This component provides overcurrent protection in electrical installations by interrupting current when faults occur, with the model designation used for identification in related listings.
