An automatic changeover is an electrical switch that switches a load between two sources. When utility/Main/Commercial power is lost, the automatic transfer switch detects the situation right away. The generator starts manually and started to supply power than an automatic changeover switch (ACS), load commercial power to Generator power. Afterward, it detects when the utility power is returned, the automatic transfer switch re-transfer to the main power.
This auto changeover is suitable for 2 KW to 10 KW portable generators. And it can be used for hospitals, shops, banks, high buildings, telecommunication and important situation. It will help you to save time.