GAEYAELE Automatic Transfer Switch Three Phase ATS 100A 220V Power Transfer Switch Din Rail Mounted Controller Electrical Type(3P-100A-AC220V)

When the normal power is abnormal, the spare power works at once. When the normal power supply is normal, it will automatically switch back from the backup power to the normal power supply. We don't guarantee completely uninterrupted, but minimizing issues from power interruptions. This automatic transfer switch is suitable for the emergency power supply system with 50 or 60 Hz. Specially designed for household orbit-type installation and specially use in PZ30 power distribution box. The backup power supply is suitable for AC power. If the AC power supply through DC inverter is used, the voltage protector needs to be connected.