Features Auto and Manual Operation - Easily switch between automatic and manual modes for efficient power management, ensuring you have control when you need it most Comprehensive Protection Features - Safeguard your electrical systems with multiple protection mechanisms, including short circuit, overload, under voltage, and open phase protection High Safety Standards - Designed for reliability, this device supports a 63A rated working current, 400V rated voltage, and 4KV impulse withstand voltage for enhanced safety Versatile Application - Ideal for use in homes, office buildings, and public places, especially where fire protection is a priority, ensuring reliable power supply in critical areas Quick and Easy Installation - Compact design with a protective cover allows for hassle-free installation in minutes, making it accessible for both professionals and DIY enthusiasts Features: 1、Auto and Manual Use: Supporting automatic mode, the transfer switch also enables simple manual , and the is very efficient. 2、Multiple Protection: Designed to have short circuit protection, overload protection, under voltage protection, open phase protection and so on. 3、High Working Safety: Comes with 63A rated working current Ie, 400V rated working voltage Ue, and 4KV rated impulse withstand voltage Uimp. 4、Wide in Application: Can be used in families and public places, especially in office buildings and public places requiring fire protection. 5、Simple Installation: Equipped with protective cover, the dual power automatic transfer switch with compact size is easy to install in minutes. Specification: Item Type: Dual Power Automatic Transfer Switch Model: SGQ1-63 4P Material: Pa66 Rated Working Current Ie: 63A Rated Working Voltage Ue: 400V Rated Impulse Withstand Voltage Uimp: 4KV Standards: GB14048.11, IEC60947-6-1 Package List: 1 x Dual Power Automatic Transfer Switch 1 x User Manual Package List 1 x Dual Power Automatic Transfer Switch 1 x User Manual