This 100-amp automatic transfer switch is designed for use in standby generator systems to provide a smooth, automatic transition between utility power and backup generator power during an outage. When a loss of utility power is detected, the switch safely disconnects the home from the grid and signals the generator to supply electricity,...Read more then reverses the process once normal power is restored. Built for dependable performance, it manages electrical loads efficiently and helps protect connected equipment from power interruptions or voltage fluctuations. The durable construction is intended for long-term, reliable operation in residential standby power applications, making it an essential component for maintaining continuous power and peace of mind during outages.