{"product_id":"egis-6150-400-commonbus-150a-4-stud-busbar","title":"Egis 6150-400 CommonBus 150A 4-Stud Busbar","description":"\u003cp class=\"nvn-hero\"\u003eThe Egis Mobile Electric 6150-400 CommonBus is a 150-amp DC busbar that pulls all your accessory wiring into one clean connection point. Four 1\/4-inch studs, tin-plated copper, and stainless self-locking hardware. It's the small part that makes the rest of your electrical panel make sense.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eOpen up almost any boat's electrical locker and you'll eventually find the same mess. A single battery post with five or six ring terminals stacked on it, each one working a little looser every season. The Egis Mobile Electric 6150-400 CommonBus fixes that. It's a flat-strip busbar with four 1\/4-inch studs, and its whole job is to give your DC circuits one clean, solid place to land. Combine several grounds into one bus, or fan a single feed out to four accessories. Either way, the wiring gets tidier and a lot easier to trust.\u003c\/p\u003e\n\u003cp\u003eThe bar itself is tin-plated copper. Copper because it carries current with almost no resistance, tin plating because bare copper corrodes fast in the salt air of a bilge or a battery box. That plating is what keeps the connections cool and low-loss two or three seasons down the road, not just on install day. It's rated for 150 amps across the bar, which is plenty of headroom for accessory banks, a run of cabin and nav lighting, pumps, and most mid-size DC loads you'd wire off a house bank.\u003c\/p\u003e\n\u003cp\u003eEvery stud gets stainless steel self-locking hardware. If you've ever had a nut back off a busbar and drop a circuit while you're miles offshore, you know why that matters. Stainless holds up to the damp, and the self-locking design stays put through engine vibration and the pounding a trailered boat takes on the highway. There's no lock washer to lose and no thread locker to reapply. Snug the ring terminal down, and it stays snug.\u003c\/p\u003e\n\u003cp\u003eIt's rated to 48 volts DC, so it doesn't care whether you're running a 12-volt bass boat, a 24- or 36-volt trolling motor setup, or a 48-volt house bank on a bigger cruiser. The same bar works across all of them. That flexibility is why the CommonBus family is a favorite for rewires, where you might not know today exactly what voltage every future project will run. The footprint is compact too, 5.86 inches long by 1-1\/4 inches wide, so it slips in behind the panel or onto a bulkhead where space is tight.\u003c\/p\u003e\n\u003cp\u003eOne thing to know going in. This version ships without an insulated cover, so the studs are exposed. That's fine, and often preferred, when it lives inside a sealed electrical box or a spot where nothing can bridge across the terminals. Just mount it somewhere protected, keep a little clearance around the studs, and you're set. If you want a covered bus for an open, high-traffic area, look at the covered models in the Egis CommonBus line.\u003c\/p\u003e\n\u003cp\u003eInstallation is straightforward. Pick a dry, protected spot, fasten the base down, and start landing your ring terminals on the studs. Put the highest-current connections closest to the feed and keep your terminal stack neat so it's easy to service later. Torque the self-locking nuts firm but don't gorilla them. Tin-plated copper and stainless don't need brute force to make a solid, gas-tight connection. Label your circuits while you're in there. Future you will be grateful the next time something needs tracing.\u003c\/p\u003e\n\u003cp\u003eWho's this for? Anyone consolidating a grounding system, adding a bank of accessories, or cleaning up a distribution point that's grown out of control. It's a small, honest part that does one thing well. Pair it with properly sized cable and a fuse block, and you've got the backbone of a clean DC system that's easy to read and easy to fix. Wire it in once, and it'll quietly hold your electrical system together for years. And because it's a genuine Egis CommonBus component, it drops right in alongside the rest of the family, so you can standardize your whole distribution setup on one system.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003eFour 1\/4-inch studs give you four solid connection points to combine or distribute DC circuits from a single bar\u003c\/li\u003e\n  \u003cli\u003eRated for 150 amps across the bar, enough headroom for accessory banks, lighting circuits, pumps, and mid-size loads\u003c\/li\u003e\n  \u003cli\u003e48 Volt DC rating covers 12V, 24V, 36V, and 48V systems, so it fits everything from a bass boat to a big cruiser's house bank\u003c\/li\u003e\n  \u003cli\u003eTin-plated copper construction carries current with low resistance and resists corrosion in a damp bilge or battery locker\u003c\/li\u003e\n  \u003cli\u003eStainless steel self-locking hardware holds tight through engine vibration and trailer pounding\u003c\/li\u003e\n  \u003cli\u003eCompact 5.86-inch by 1-1\/4-inch footprint tucks in behind the panel or onto a bulkhead where space is limited\u003c\/li\u003e\n  \u003cli\u003eFlat strip design keeps ring-terminal stacks clean and easy to service later\u003c\/li\u003e\n  \u003cli\u003eShips as a retail pack with the stainless self-locking stud nuts included\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\u003eWhat does the Egis 6150-400 CommonBus actually do?\u003c\/summary\u003e\n    \u003cp\u003eIt's a DC power distribution busbar. It gives you four 1\/4-inch studs on a single bar so you can combine multiple circuits into one point or distribute one feed out to several accessories. Most boaters use it to clean up a grounding system or an accessory distribution point.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow many connections does it have?\u003c\/summary\u003e\n    \u003cp\u003eFour 1\/4-inch studs, each fitted with stainless steel self-locking hardware. You can stack more than one ring terminal per stud as long as they seat cleanly.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat's the amperage rating?\u003c\/summary\u003e\n    \u003cp\u003eThe bar is rated for 150 amps. That's plenty for accessory banks, lighting circuits, pumps, and most mid-size DC loads you'd wire off a house bank.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWill it work with my 12-volt system? What about 24 or 36 volts?\u003c\/summary\u003e\n    \u003cp\u003eYes. It's rated to 48 volts DC, so it works with 12V, 24V, 36V, and 48V systems, including 24V and 36V trolling motor setups.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes it come with an insulated cover?\u003c\/summary\u003e\n    \u003cp\u003eNo. This version ships without an insulated cover, so the studs are exposed. Mount it inside a sealed electrical box or a protected spot where nothing can bridge across the terminals. The Egis CommonBus line includes covered models if you need one for an open area.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat's it made of?\u003c\/summary\u003e\n    \u003cp\u003eThe bar is tin-plated copper for low resistance and corrosion resistance, and the stud hardware is stainless steel with a self-locking design to resist vibration.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs the mounting hardware included?\u003c\/summary\u003e\n    \u003cp\u003eThe stainless steel self-locking nuts for the studs are included. Fasteners to secure the base to your bulkhead aren't listed, so plan to supply screws suited to your mounting surface.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow big is it?\u003c\/summary\u003e\n    \u003cp\u003eIt measures 5.86 inches long by 1-1\/4 inches wide. That compact footprint fits behind a panel or on a bulkhead where space is tight.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan I use it as a negative ground bus or a positive bus?\u003c\/summary\u003e\n    \u003cp\u003eEither one. A busbar doesn't care about polarity. Plenty of boaters run one as a common negative bus and another as a positive distribution point.\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 Mobile 6150-400 CommonBus Four 1\/4-Inch Studs 150 Amp 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\u003e6150-400\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e850067590347\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\u003e4 Stud\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eStud Size\u003c\/th\u003e\n\u003ctd\u003e1\/4 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eVoltage Rating\u003c\/th\u003e\n\u003ctd\u003e48 Volt DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eAmperage Rating\u003c\/th\u003e\n\u003ctd\u003e150 Amp\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eInsulated Cover\u003c\/th\u003e\n\u003ctd\u003eWithout Insulated Cover\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e5.86 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eWidth\u003c\/th\u003e\n\u003ctd\u003e1-1\/4 Inch\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 Hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eElectrical\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003ePackaging\u003c\/th\u003e\n\u003ctd\u003eRetail Pack\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\": \"What does the Egis 6150-400 CommonBus actually do?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's a DC power distribution busbar. It gives you four 1\/4-inch studs on a single bar so you can combine multiple circuits into one point or distribute one feed out to several accessories. Most boaters use it to clean up a grounding system or an accessory distribution point.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How many connections does it have?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Four 1\/4-inch studs, each fitted with stainless steel self-locking hardware. You can stack more than one ring terminal per stud as long as they seat cleanly.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What's the amperage rating?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The bar is rated for 150 amps. That's plenty for accessory banks, lighting circuits, pumps, and most mid-size DC loads you'd wire off a house bank.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Will it work with my 12-volt system? What about 24 or 36 volts?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. It's rated to 48 volts DC, so it works with 12V, 24V, 36V, and 48V systems, including 24V and 36V trolling motor setups.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does it come with an insulated cover?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. This version ships without an insulated cover, so the studs are exposed. Mount it inside a sealed electrical box or a protected spot where nothing can bridge across the terminals. The Egis CommonBus line includes covered models if you need one for an open area.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What's it made of?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The bar is tin-plated copper for low resistance and corrosion resistance, and the stud hardware is stainless steel with a self-locking design to resist vibration.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is the mounting hardware included?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The stainless steel self-locking nuts for the studs are included. Fasteners to secure the base to your bulkhead aren't listed, so plan to supply screws suited to your mounting surface.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How big is it?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It measures 5.86 inches long by 1-1\/4 inches wide. That compact footprint fits behind a panel or on a bulkhead where space is tight.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can I use it as a negative ground bus or a positive bus?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Either one. A busbar doesn't care about polarity. Plenty of boaters run one as a common negative bus and another as a positive distribution point.\"\n            }\n        }\n    ]\n}\n\u003c\/script\u003e\n","brand":"Egis Mobile Electric","offers":[{"title":"Default Title","offer_id":45079510909021,"sku":"2009996","price":21.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7266\/0317\/files\/EME6150400_001.jpg?v=1789967260","url":"https:\/\/nvnmarine.com\/products\/egis-6150-400-commonbus-150a-4-stud-busbar","provider":"NVN Marine","version":"1.0","type":"link"}