Briidea Automatic Transfer Switch 50 Amp NEW GENERATION When switching to the generator power supply, the built-in MCU precise control circuit is connected with a delay of 20s, so that the generator voltage is maintained at a stable level and then transmitted. Double protection of mechanical interlocks and control circuits prevents two power sources from entering the AC distribution board at the same time and causing a short circuit. Additionally, the switch continuously monitors the utility power status. In the event of a utility power outage, the generator will start automatically, requiring no extra wiring on your part, providing exceptional convenience Wiring diagram Our products have simple installation steps New generation Green light is on when generator power starts Accessories map We give away installation parts