{"product_id":"egis-maxibus-6250-600-250a-6-stud-dc-busbar","title":"Egis MaxiBus 6250-600 250A 6-Stud DC Busbar","description":"\u003cp class=\"nvn-hero\"\u003eThe Egis MaxiBus 6250-600 is a 250-amp, six-stud power distribution busbar built for marine DC systems. Tin-plated copper, stainless self-locking hardware, and a clear snap-on cover. It's the clean way to land multiple heavy cables at one common point without a rat's nest at the battery.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eThe Egis Mobile Electric MaxiBus 6250-600 is a power distribution busbar, and if you've ever opened up a battery compartment and found six ring terminals stacked on one battery post, you already know why you want one. This is the clean way to bring multiple heavy DC cables to a single common point. Six 5\/16 inch tin-plated copper studs, rated for 250 amps and 80 volts DC, all under one insulated cover. It's a small part that makes the rest of your electrical system make sense.\u003c\/p\u003e\n\u003cp\u003eWe reach for a busbar like this any time a boat has more than a couple of loads sharing a positive or negative bus. Think house battery banks, inverters, windlasses, bow thrusters, and the dozen smaller circuits that all need a home. Instead of doubling and tripling ring terminals on a battery post, which loosens over time and runs hot, you land each cable on its own stud. Torque it once, cover it, and forget it.\u003c\/p\u003e\n\u003cp\u003eThe build is straightforward and honest. The bar itself is tin-plated copper, which is exactly what you want in a salt environment. Copper for conductivity, tin plating to slow the corrosion that eats bare copper alive in an engine room. The six studs are 5\/16 inch, and the hardware is stainless steel with a self-locking design that resists backing off under engine vibration. On a 250-amp connection you still want a dab of threadlocker and a proper torque, but the self-locking nuts give you a real margin against the constant shake of a running boat.\u003c\/p\u003e\n\u003cp\u003eEach stud will take a heavy lug, though at the top end the 1.22 inch width of the bar gets tight if you're trying to seat big lugs side by side with heat shrink. Plan your cable routing so the lugs sit flat and don't crowd each other. The three-way cable entry gives you flexibility in how the cables approach the bar, which helps a lot in a cramped battery box where you can't always run everything in from one direction.\u003c\/p\u003e\n\u003cp\u003eThe insulated cover is one of the details that sets this apart from a bare bus. It's a clear snap-on cover with break-away tabs, so you can pop just the section you need for inspection without pulling the whole thing. Being able to eyeball your connections for corrosion or a loose lug without disassembly is genuinely useful during a spring commissioning check. One thing to know: the cover seats cleanly when your cables exit straight off the studs. If you've got tight 90 degree bends coming off the ports, you may need to trim the cover for a proper fit. Not a dealbreaker, just something to plan for.\u003c\/p\u003e\n\u003cp\u003eA few field notes from boaters who've lived with these. Add a little dielectric grease under the cover and on the stud threads. It keeps moisture from wicking along the studs and slows the corrosion where dissimilar metals meet, which matters if you're landing aluminum lugs on copper studs. Mount the bar flat on a solid surface, a stringer or a bulkhead, with proper fasteners, and back it with a plate if the surface flexes at all. The base is tough but it's still plastic, and a hull that works in a seaway can crack an unsupported mount over a couple of seasons.\u003c\/p\u003e\n\u003cp\u003eThe 80 volt DC rating gives you plenty of headroom on 12, 24, and 48 volt systems, so this bar won't be the weak link even on a big lithium bank. And because it's part of the Egis FLEX system, it's height-compatible with other FLEX components if you're building out a more complete distribution setup. Six studs is the right count for most boats, but be honest with yourself about future additions. Once all six are landed, you're full, so if you know more loads are coming, leave yourself a stud or step up.\u003c\/p\u003e\n\u003cp\u003eFor the money, it's hard to argue with. A properly rated, tin-plated, covered busbar that cleans up your wiring and takes the strain off your battery terminals. Wire it in once and it just does its job.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003eSix 5\/16 inch tin-plated copper studs land up to six heavy DC cables at one common point\u003c\/li\u003e\n  \u003cli\u003eRated 250 amps continuous for house banks, inverters, windlasses, and thruster loads\u003c\/li\u003e\n  \u003cli\u003e80 volt DC rating gives headroom on 12, 24, and 48 volt systems\u003c\/li\u003e\n  \u003cli\u003eTin-plated copper construction resists corrosion in salt and engine-room environments\u003c\/li\u003e\n  \u003cli\u003eStainless steel self-locking hardware resists loosening under engine vibration\u003c\/li\u003e\n  \u003cli\u003eClear insulated cover with break-away tabs lets you inspect connections without full disassembly\u003c\/li\u003e\n  \u003cli\u003eThree-way cable entry gives flexible routing in tight battery compartments\u003c\/li\u003e\n  \u003cli\u003eCompact 7.89 inch by 1.22 inch footprint fits narrow battery boxes\u003c\/li\u003e\n  \u003cli\u003ePart of the Egis FLEX system, height-compatible with other FLEX distribution components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"nvn-trust\"\u003e\n  \u003ch2\u003eWhy Buy from NVN Marine\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAuthorized Egis Mobile Electric reseller, full manufacturer warranty\u003c\/li\u003e\n    \u003cli\u003eNMEA member and ABYC certified, advice from real boat techs\u003c\/li\u003e\n    \u003cli\u003eSame-day shipping before 3 PM ET on in-stock items\u003c\/li\u003e\n    \u003cli\u003eNY headquarters and Fort Lauderdale flagship retail store\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"nvn-faq\"\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow many cables can I connect to this busbar?\u003c\/summary\u003e\n    \u003cp\u003eSix. The MaxiBus 6250-600 has six 5\/16 inch studs, so you can land up to six ring lugs at one common point. Be honest about future loads though, because once all six studs are used you're full.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat amperage and voltage is it rated for?\u003c\/summary\u003e\n    \u003cp\u003e250 amps continuous and 80 volts DC. That amperage handles house banks, inverters, windlasses, and thruster feeds, and the 80 volt rating leaves plenty of headroom on 12, 24, or 48 volt systems.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWill it work on a 24 volt or 48 volt system?\u003c\/summary\u003e\n    \u003cp\u003eYes. The 80 volt DC rating covers 12, 24, and 48 volt systems with room to spare, so it won't be the weak link even on a large lithium bank.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs the insulated cover included?\u003c\/summary\u003e\n    \u003cp\u003eYes. It ships with a clear, transparent insulated cover that snaps on and has break-away tabs, so you can open just the section you need to inspect a connection without removing the whole cover.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the busbar made of?\u003c\/summary\u003e\n    \u003cp\u003eTin-plated copper for the bar itself, with stainless steel self-locking hardware. Copper carries the current, the tin plating slows corrosion in a salt environment, and the stainless nuts resist backing off under vibration.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I keep the connections from corroding?\u003c\/summary\u003e\n    \u003cp\u003eThe tin plating does most of the work, but a light coat of dielectric grease under the cover and on the stud threads keeps moisture from wicking along the studs. That matters most where aluminum lugs meet the copper studs.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDo I still need threadlocker if the nuts are self-locking?\u003c\/summary\u003e\n    \u003cp\u003eThe self-locking hardware gives you a real margin against vibration, but on a 250 amp connection it's still smart practice to add a dab of threadlocker and torque the nuts properly.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWill the cover fit if my cables bend sharply off the studs?\u003c\/summary\u003e\n    \u003cp\u003eThe cover seats best when cables exit straight off the studs. If you have tight 90 degree bends coming off the three-way ports, you may need to trim the cover for a clean fit.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I mount it?\u003c\/summary\u003e\n    \u003cp\u003eMount it flat on a solid surface like a stringer or bulkhead with proper fasteners. If that surface flexes at all, back it with a plate. The base is tough but it's plastic, and a hull that works in a seaway can crack an unsupported mount over time.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are the dimensions?\u003c\/summary\u003e\n    \u003cp\u003eThe bar measures 7.89 inches long by 1.22 inches wide, which is compact enough to fit inside a narrow battery box while still landing six heavy cables.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"nvn-specs\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eTitle\u003c\/th\u003e\n\u003ctd\u003eEgis MaxiBus 6250-600 250 Amp 6-Stud Marine Busbar\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eEgis Mobile Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e6250-600\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e850067590446\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eMaxiBus 6250-600\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eFlat Strip\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eNumber of Terminals\u003c\/th\u003e\n\u003ctd\u003e6 Stud\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eStud Size\u003c\/th\u003e\n\u003ctd\u003e5\/16 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eAmperage Rating\u003c\/th\u003e\n\u003ctd\u003e250 Amp\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eVoltage Rating\u003c\/th\u003e\n\u003ctd\u003e80 Volt DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eTin Plated Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eHardware\u003c\/th\u003e\n\u003ctd\u003eStainless Steel Self-Locking\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eInsulated Cover\u003c\/th\u003e\n\u003ctd\u003eIncluded, Transparent with Break-Away Tabs\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eCable Entry\u003c\/th\u003e\n\u003ctd\u003e3 Way\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e7.89 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eWidth\u003c\/th\u003e\n\u003ctd\u003e1.22 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003ctd\u003eEgis FLEX System Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eMarine DC Power Distribution\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How many cables can I connect to this busbar?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Six. The MaxiBus 6250-600 has six 5\/16 inch studs, so you can land up to six ring lugs at one common point. Be honest about future loads though, because once all six studs are used you're full.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What amperage and voltage is it rated for?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"250 amps continuous and 80 volts DC. That amperage handles house banks, inverters, windlasses, and thruster feeds, and the 80 volt rating leaves plenty of headroom on 12, 24, or 48 volt systems.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Will it work on a 24 volt or 48 volt system?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. The 80 volt DC rating covers 12, 24, and 48 volt systems with room to spare, so it won't be the weak link even on a large lithium bank.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is the insulated cover included?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. It ships with a clear, transparent insulated cover that snaps on and has break-away tabs, so you can open just the section you need to inspect a connection without removing the whole cover.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is the busbar made of?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Tin-plated copper for the bar itself, with stainless steel self-locking hardware. Copper carries the current, the tin plating slows corrosion in a salt environment, and the stainless nuts resist backing off under vibration.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How do I keep the connections from corroding?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The tin plating does most of the work, but a light coat of dielectric grease under the cover and on the stud threads keeps moisture from wicking along the studs. That matters most where aluminum lugs meet the copper studs.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Do I still need threadlocker if the nuts are self-locking?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The self-locking hardware gives you a real margin against vibration, but on a 250 amp connection it's still smart practice to add a dab of threadlocker and torque the nuts properly.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Will the cover fit if my cables bend sharply off the studs?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The cover seats best when cables exit straight off the studs. If you have tight 90 degree bends coming off the three-way ports, you may need to trim the cover for a clean fit.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How do I mount it?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Mount it flat on a solid surface like a stringer or bulkhead with proper fasteners. If that surface flexes at all, back it with a plate. 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