An AC panel that safely manages power from two sources Blue Sea Systems traditional metal breaker panels have been installed in boats for years. They have become the standard for innovation, quality, reliability and design. Offered in numerous configurations and compatible with a wide variety of breaker ratings and styles, these panels are an easy choice for most electrical systems. Through the expertise and boating experience of Blue Sea Systems engineers each breaker panel is designed to meet common electrical system needs and provide room for growth. Anytime two AC sources are present onboard, it is critical they remain separated. AC Power from a genset, inverter, or shore power source, when combined with another AC source creates a very dangerous situation. Blue Sea Systems designed this panel simplify AC power source management. Two A-Series 50A double pole main breakers are pre-installed and include a sliding lockout to prevent both switches from being in the ON position and ensure that only one source powers AC circuits at one time. Two 8A A-Series breakers are installed for AC branch breakers leaving 2 positions open for customization or expansion. All breakers combine switching and circuit protection and are trip-free and cannot be held in the ON position when a fault is detected. Hot, neutral, and safety ground bus bars are pre-installed. Red LEDs reverse polarity indicator lights warn if polarity is switched. Green LEDs at all positions indicates switch is ON. Large format labels are backlit for visibility in low or no light conditions. Included are 30 commonly used AC labels. Key Features Pre-wired for quick and easy installation Maintains separation between two AC sources Traditional aluminum plate structure will match many pre-existing panels Includes two A-Series 50A double pole main breakers Trip-free feature prevents breaker from being held in ON position when a fault is detected MIL-C-5541C spec. immersion coating for a lifetime of corrosion resistance Red reverse polarity indicator LED Safety ground screw on panel back LED indicator lights note ON position Includes basic AC label set Lifetime warranty Specifications Position:4 Source Selection:2 Nominal