Check the listing for details. Blue Sea 9003E Systems 350 Amp E-Series Battery Switch Marine On/Off AFD Red. Condition: New. Listed at 35.95 USD. Blue Sea 9003E Systems, 350 Amp E-Series Battery Switch ON/Off AFD US Seller! Fast Shipping! About this itemSingle Circuit ON-OFF. Switches a single battery to a single load groupIgnition protected—safe for installation aboard gasoline powered boatsIP66 waterproof, ISO 8846 and meets ABYC requirementsTerminal Stud Size: 3/8" - 16Continuous rating: 350A, Maximum voltage: 48V DC DetailsTin-plated copper studs for maximum conductivity and corrosion resistanceAccepts up to 4/0 AWG battery cablesStuds accepts 3/8" (M10) ring terminals7/8" (22mm) stud length accepts multiple cable terminalsBlue Sea Systems one-piece terminal stud design never loosens over timeFits most Perko and Guest low amperage battery switch hole patternsCase design allows surface, rear, or front panel mounting optionsTactile indicator conveys knob position by feel***Does not come in a plastic clam shell case. This comes directly from the manufacturer loosely packed in bulk boxes.