Dual Power Automatic Transfer Switch 4P 63A Emergency Generator Changeover Switch for Home 220V

Feature: 1. Fast Switching: This dual power electrical selector switch allows fast switching of the backup power supply to work immediately in the event of a power supply abnormality. Millisecond switching ensures continuous power supply as well as the reliability and safety of the power supply. 2. Dual Workstation Design: This dual power standby generator changeover switch is a PC grade infrequent changeover switch with a dual workstation design, with A as the common power source and B as the backup power source, for use in 50?60 Hz AC systems. 3. Excellent PC Material: This dual power transfer switch is made of excellent PC material, which is sturdy and abrasion resistant, not easy to be damaged, with good insulation, high temperature res