630A 4P Dual Power Automatic Transfer Switch 220V ATS

630A 4P Dual Power Automatic Transfer Switch The 630A 4P dual power automatic transfer switch is designed for power source changeover between a normal supply and a standby supply, including generator backup systems. As a PC isolation type ATS, the YSQ3-630/4P helps distribution panels switch power paths safely, quickly, and visibly during utility power failure or recovery. With 220V control voltage, 440V rated voltage, 50Hz frequency, and a 630A rated current, this automatic generator changeover switch is suitable for industrial distribution equipment, commercial electrical rooms, generator control panels, and facilities that need reliable main and backup power transfer. Specification Type PC Place of Origin China Zhejiang Brand Name SANYUE Model Number YSQ3-630/4P Frame current 630 Product name Automatic Transfer Switch Pole 4P Rated current 630A Rated voltage 440V Rated Frequency 50HZ Control voltage 220V Customized support OEM/ODM Main technical parameters 1. Conform to the standard: GB/T14048.11 / IEC60947-6 2. Conversion mode: Municipal electricity to municipal electricity, municipal electricity to generator 3. Function type: Automatic transfer and automatic recovery (If require automatic transfer without automatic transfer back, please specify) 4. Wiring...