RV Power Transfer Switch 120/240V 50 AMP

50A Hardwire – Model 40100 Basic Automatic Transfer Switch 120/240V, 50A, 60 Hz The Surge Guard model is a basic automatic transfer switch. It is generator dominant and transfers to generator power automatically when energized after 30 second delay. Once the generator is shut down, shore power activates after a 3-4 second delay. • Time delay at power up • Third party listed • Generator dominant • Mechanical interlocking contactors