Briggs and Stratton 071270 200 Amp Outdoor Automatic Transfer Switch for Generator - Weatherproof Service Disconnect for Home & Commercial Backup Power Use

A Briggs & Stratton® Transfer Switch provides all the intelligence your generator needs to make sure the power stays on when utility power fails. It automatically senses loss of utility power and signals your generator to start and restore power. When power has been restored, the transfer switch will transfer your vital loads back to utility power.