{"product_id":"blue-sea-bus-bar-250a-4-terminal-5-16","title":"Blue Sea 250A 4x 5\/16 Stud Busbar","description":"\u003ch2\u003eProfessional 250A Power Distribution for Marine and Automotive Systems\u003c\/h2\u003e \u003cp\u003eThe \u003cstrong\u003eBlue Sea 250A 4x 5\/16 Stud Busbar\u003c\/strong\u003e is engineered to provide a robust and reliable central point for consolidating high-amperage wiring in demanding electrical setups. Designed for use in boats, caravans, RVs, and off-grid 4WD systems, this \u003cstrong\u003e250A busbar\u003c\/strong\u003e ensures efficient power distribution while maintaining a clean and organised installation. By collecting negative returns or positive feeds into one heavy-duty location, it significantly reduces cable clutter, improves system safety, and simplifies future troubleshooting.\u003c\/p\u003e  \u003ch3\u003eSuperior Materials for Harsh Environments\u003c\/h3\u003e \u003cp\u003eIn the marine and automotive environment, corrosion and vibration are the enemies of reliable electrical connections. Unlike generic grade products that may utilise brass or lower-grade alloys, this \u003cstrong\u003eBlue Sea busbar\u003c\/strong\u003e is constructed from \u003cstrong\u003eTin-Plated Copper CDA 110 \/ UNS 11000\u003c\/strong\u003e. This premium material choice delivers exceptional conductivity to minimise voltage drop, while the tin plating offers superior resistance to corrosion, even in salt-mist prone coastal areas.\u003c\/p\u003e \u003cp\u003eThe base is manufactured from \u003cstrong\u003eUL 94-V0 rated glass-reinforced thermoplastic\u003c\/strong\u003e, ensuring high heat resistance and structural durability. This fire-retardant material provides peace of mind, knowing your electrical system is built on a foundation designed to withstand high temperatures and tough conditions.\u003c\/p\u003e  \u003ch3\u003eSecure High-Torque Connections\u003c\/h3\u003e \u003cp\u003eA standout feature of this range is the design of the terminal studs. The \u003cstrong\u003e5\/16\"-18 (Approx. M8) stainless steel studs\u003c\/strong\u003e are insert-moulded directly into the base. This intelligent engineering eliminates the need for a securing nut at the back, allowing you to apply high torque to the terminals without the risk of the stud spinning or loosening over time. This ensures excellent electrical contact and secure retention of heavy-duty cable lugs.\u003c\/p\u003e  \u003ch3\u003eVersatile Application and Safety\u003c\/h3\u003e \u003cp\u003eWhether you are designing a \u003cstrong\u003enegative busbar\u003c\/strong\u003e return for a large battery bank or a positive distribution hub, this unit is rated for continuous currents up to 250 Amperes. It is also suitable for modern energy systems, supporting up to \u003cstrong\u003e48V DC\u003c\/strong\u003e and \u003cstrong\u003e300V AC\u003c\/strong\u003e, making it future-proof for lithium battery upgrades and higher voltage solar arrays.\u003c\/p\u003e \u003cp\u003eThe raised bus design allows for easy wrench access when attaching multiple large cables to a single stud. Additionally, the recessed mounting holes are designed to prevent accidental electrical shorts to metal mounting surfaces, such as aluminium boat hulls or steel vehicle chassis.\u003c\/p\u003e  \u003cp\u003eCompact at approximately 149mm in length, this 4-stud configuration is perfect for tight electrical lockers or smaller battery boxes where space is at a premium but high capacity is still required.\u003c\/p\u003e  \u003ch3\u003eKey Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003e250A Continuous Rating\u003c\/strong\u003e for heavy-duty power distribution\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eTin-Plated Copper Bus\u003c\/strong\u003e provides maximum conductivity and corrosion resistance\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003e5\/16\"-18 (Approx. M8) Stainless Steel Studs\u003c\/strong\u003e allow for high-torque connections\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eUL 94-V0 Rated Base\u003c\/strong\u003e resists high heat and fire\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eInsert Moulded Studs\u003c\/strong\u003e eliminate the need for backing nuts\u003c\/li\u003e \u003cli\u003eRated for \u003cstrong\u003e48V DC\u003c\/strong\u003e and \u003cstrong\u003e300V AC\u003c\/strong\u003e systems\u003c\/li\u003e \u003cli\u003eRecessed mounting holes preventing accidental shorts\u003c\/li\u003e \u003c\/ul\u003e  \u003ch3\u003eUpgrade Your Electrical Safety\u003c\/h3\u003e \u003cp\u003eEnsure your electrical system is safe, efficient, and professional. \u003cstrong\u003eOrder the Blue Sea 250A 4x 5\/16 Stud Busbar today\u003c\/strong\u003e to tidy up your wiring and ensure reliable power delivery for your next adventure.\u003c\/p\u003e","brand":"Blue Sea","offers":[{"title":"Default Title","offer_id":55056832856403,"sku":"BS-2127B","price":36.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1076\/9324\/4755\/files\/blue-sea-250a-busbar-4-stud-BS-2127B.jpg?v=1790336383","url":"https:\/\/progradewarehouse.com\/products\/blue-sea-bus-bar-250a-4-terminal-5-16","provider":"PRO GRADE WAREHOUSE","version":"1.0","type":"link"}