The Ratnotech Automatic Changeover Switch 63A Step Dimmer is a high-performance power management device designed to ensure seamless switching between two power sources. Whether for residential, commercial, or industrial applications, this switch provides a reliable backup solution, automatically transferring power between the main supply and an alternate source, such as a generator or inverter, during outages. With a 63A capacity, this switch is built to handle medium to high electrical loads while maintaining stability and efficiency. The automatic changeover function eliminates the need for manual intervention, ensuring an uninterrupted power supply for critical appliances and systems. Additionally, the integrated Step Dimmer allows precise lighting control, enabling users to adjust brightness levels according to their needs. This feature enhances energy efficiency, reducing electricity consumption while maintaining optimal illumination. Engineered with high-quality materials, the Ratnotech Automatic Changeover Switch ensures durability, safety, and long-term reliability. It features overload protection, efficient heat dissipation, and corrosion-resistant components, making it suitable for various environments.