Blue Sea Systems e-Series Dual Circuit Plus™ Battery Switch (Model: 5511E-BSS) is a top - notch choice for your boat. It has a 350 - amp continuous rating for inboard gasoline or diesel engines. The tin - plated copper studs offer excellent conductivity and resist corrosion. It can accept up to 4/0 AWG battery cables and 3/8' (M10) ring terminals. With a 7/8' (22mm) stud length, it can handle multiple cable terminals. The one - piece terminal stud design won't loosen over time. It fits most Perko and Guest low - amperage battery switch hole patterns. You can mount it on the surface or rear panel. The tactile indicator helps you know the knob position by touch. It's waterproof (rated IP66 against powerful water jets) and ignition - protected, safe for gasoline - powered boats. The make - before - break contact design allows for switching without power interruption. It can switch two isolated battery banks or combine them for all loads. Specifications include a red color, 3 switch positions, and it can combine batteries. It has a maximum voltage of 32V DC, a continuous rating of 350A, and more.
Using the Blue Sea E - Series Dual Circuit Plus Battery Switch is easy. First, make sure your boat's engine is off. Connect the battery cables to the appropriate terminals as specified in the product details. The switch has 3 positions, and you can use it to switch between two isolated battery banks or combine them for all loads. When using it, pay attention to the tactile indicator to know the knob position. Since it's ignition - protected, it's safe for gasoline - powered boats, but always follow basic safety rules. For maintenance, check the terminal studs regularly to ensure they're tight. Wipe the switch clean if it gets dirty or wet, as it's waterproof. If you notice any signs of corrosion on the tin - plated copper studs, clean them gently with a soft cloth and a mild cleaner. Keep the switch away from extreme heat and direct sunlight to prolong its lifespan.
