
Blue Sea Hd-series Battery 4 Position 500a Alternator Field Disconnect
Blue Sea 3000 500A Battery Selector 4 Position Switch with Alternator Field DisconnectModel: 3003-BSS Tin-plated copper studs for maximum conductivity and corrosion resistance Accepts up to 4/0 AWG battery cables Studs accepts 1/2"" (M12) ring terminals 7/8"" (22mm) stud length accepts multiple cable terminals Blue Sea Systems one-piece terminal stud design never loosens over time Fits most Perko and Guest low amperage battery switch hole patterns Case design allows surface, rear, or front panel mounting options Tactile indicator conveys knob position by feel Waterproof — rated IP66 from water projected in powerful jets Ignition protected—safe for installation aboard gasoline powered boats Make-before-break contact design allows switching between battery banks without power interruption Includes AFD (Alternator Field Disconnect) Specifications Switch Type Selector 4 Position Color Grey Switch Positions 4 Battery Combine Yes Alternator Field Disconnect Yes Maximum Voltage 32V