The DMP i provides perfect protection for motors through real-time detection of electricity hazard signals. The control unit is designed to be detachable and attached to the front of the switchboard, so that users can check safety status without opening the door. The main button is placed at the middle of the product while the subordinate ones are placed inside the door for intuitive usability and to prevent misuse. The control unit and the main unit are designed to create a sense of unity whether integrated or separated, depending on the installation environment of the switchboard.