250A Automatic Transfer Switch (ATS) 4P 110V 50Hz Manual/Auto Mode Backup Power Switch for Home Hospital Factory

- Automatic & Manual Switching: Seamlessly switches to backup power during outages and back to main power when restored. Supports manual mode for flexible control. - Durable & Safe Design: Made of high-strength resin with flame-retardant properties, corrosion resistance, and copper contacts for reliable conductivity and long-lasting performance. - Heavy-Duty Performance: Rated at 250A with a 110V/50Hz capacity, for hospitals, factories, malls, and high-rise buildings requiring uninterrupted power. - Secure & Easy Installation: Features a screw-mount design, tight wiring ports (2-in-1-out), and a comfortable plastic handle for effortless operation. - Reliable: With a tin-plated copper contact system to prevent oxidation, ensuring safety and consistent power transfer.