Automatic Transfer Switch

• Automatic transfer switch monitors voltage ,( lost or gained power ) it automatically connects , and reconnects to leave the  generator running to cool down.
• An automatic transfer switch is usually installed near generators , at an expensive place with a lot of liability ( shopping centers , box centers ) Walmart , Target , Home Depot .
• An automatic transfer switch acts automatically when the utility is down , and found on the coast where natural disasters occur . 
• An automatic transfer switch is 3 point switch , one direction of the switch goes to the utility line , another direction to an off position , and another direction to another source of power usually solar , generator