TRC SURGE GUARD AUTOMATIC TRANSFER SWITCHES;Permanently install Surge Guard protection in your RV;Protects RV bumper to bumper from faulty park power;Benefits of a transfer switch are a plus for some RV owners; mechanical interlocking contactors, time delay at power up, Transfers to generator power automatically when energized after 30 second delay

• Technology Research (40100) 50 Amp Surge Guard Automatic Transfer Switch

Technology Research (40100) 50 Amp Surge Guard Automatic Transfer SwitchTechnology Research