1、WORK DETAIL: When a power supply fails (only normal phase A voltage and standby phase A voltage are tested, and only voltage loss or phase loss is tested), the switch will automatically connect one or more load circuits from one power supply to another to ensure normal power supply to the load circuit. 2、DUAL CONTROL MODE: The automated switch has easy operation and dependable performance, and the dual power transfer switch not only supports automatic mode but also manual button operation. 3、MULTI PROTECTION: This switch includes multiple protections, including undervoltage, overload, phase loss, and short circuit protection. a safe use. 4、PC SHELL: This switch's flame retardant, high temperature resistant, and anti aging shell, made of premium PC material, provides a long lifespan. 5、STRONG CONDUCTIVITY: Brass motor coils and silver contacts are used in the dual power automatic switch to increase conductivity and service life. 6、WIDE APPLICATION: This switch is mostly used for converting AC220V voltage in different situations, such as in hospitals, shops, banks, chemical engineering, metallurgy, high rise structures, and military institutions.