Blue Sea 6337 Switch, AC 120V AC 30A OFF+2 Position [6337]Switch, AC 120V AC 30A OFF+2 Position Features: Switches between 2 120v AC shore power sources and 1 240v AC Source to 2 120v AC load groups Switches both lines (hot) and neutral Compact solution when circuit protection is provided elsewhere Allows connecting one of two different AC sources to one circuit Mounts in panels up to 0. 16" (4. 00mm) thick Heavy duty industrial rated switch Intuitive function One hand operation UL listed 600 Volt AC max