--- product_id: 452133708 title: "DAIERTEK Negative Bus Bar 12V Marine 4 x 5/16\" (M8) Terminal Studs 6 x M4 (#8) Terminal Screws Gound Bus Bar Black Negative Power Distribution Block for Automotive Boat Solar System" brand: "daiertek" price: "113.73 DT" currency: TND in_stock: true reviews_count: 13 category: "Daiertek" url: https://www.desertcart.tn/products/452133708-daiertek-negative-bus-bar-12v-marine-4-x-5-16 store_origin: TN region: Tunisia --- # 150A max continuous current 4 x M8 & 6 x M4 terminals Marine-grade copper & stainless steel DAIERTEK Negative Bus Bar 12V Marine 4 x 5/16" (M8) Terminal Studs 6 x M4 (#8) Terminal Screws Gound Bus Bar Black Negative Power Distribution Block for Automotive Boat Solar System **Brand:** daiertek **Price:** 113.73 DT **Availability:** ✅ In Stock ## Summary > ⚡ Elevate your power game with the ultimate marine-grade bus bar! ## Quick Answers - **What is this?** DAIERTEK Negative Bus Bar 12V Marine 4 x 5/16" (M8) Terminal Studs 6 x M4 (#8) Terminal Screws Gound Bus Bar Black Negative Power Distribution Block for Automotive Boat Solar System by daiertek - **How much does it cost?** 113.73 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/452133708-daiertek-negative-bus-bar-12v-marine-4-x-5-16) ## Best For - daiertek enthusiasts ## Why This Product - Trusted daiertek brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built for Extremes:** Copper plates & stainless steel terminals resist harsh marine conditions - • **Sleek & Secure Design:** Unique round corner base for standout durability and style - • **Powerhouse Performance:** Handles up to 150A DC & 130A AC for robust energy flow - • **Versatile Terminal Setup:** 4 large M8 studs plus 6 M4 screws for flexible wiring - • **360° Installation Freedom:** Cover allows 180° wire lug access for diverse setups ## Overview The DAIERTEK Negative Bus Bar is a 12V marine-grade power distribution block featuring 4 M8 terminal studs and 6 M4 screw terminals. Rated for up to 150A DC and 130A AC, it combines copper and stainless steel for durability in extreme environments. Its unique round corner base and open cover design enable versatile, secure wiring ideal for automotive, marine, and solar applications. ## Description Buy DAIERTEK Negative Bus Bar 12V Marine 4 x 5/16" (M8) Terminal Studs 6 x M4 (#8) Terminal Screws Gound Bus Bar Black Negative Power Distribution Block for Automotive Boat Solar System: Connecting Blocks - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Time will tell, but looks very good - Have not installed this, but very impressed with the build. Very sturdey and also appreciate the cover. Review: Worked great for my application - I needed this for my RV and it worked out great! I had several negative terminals that were sharing a single screw attached to the frame. I needed to add negative wire for a solar charge controller and this bus bar worked great. I did discover after the initial installation that I needed to ground the bus bar to the frame. But everything works and looks good now. ## Features - 【Terminal】- Negative bus bar 12v marine, 4 x M8 (5/16")terminal studs and 6 x M4 (#8) screw design. - 【Rating】- This marine power distribution block can handle voltage @ Max 300V AC, 48V DC, and continous amperage @ Max 130A AC, 150A DC. - 【Round Corner Base】 - This 12v bus bar terminal block is unique round corner base design, which makes the battery distribution block unique and special, looks more extraordinary compared with other busbars. - 【More Open Area Design Cover】 - The cover of this marine bus bar will allow 180° wire lug installation and can meet variety kinds of installat methods of end terminals. - 【Application】 - This ground bus bar 12v uses copper plates and stainless steel terminals as conductors, which enables the ground distribution block to work in extreme environment, suitable for automotive, car, marine, boat, etc. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B17X95J2 | | Best Sellers Rank | #3 in Distribution Connecting Blocks | | Brand Name | DAIERTEK | | Color | BB150-T4M8S6-C-B | | Connector Type | Screw | | Current Rating | 150 Amps | | Customer Reviews | 4.8 4.8 out of 5 stars (550) | | Manufacturer | DAIERTEK | | Material Type | Copper | | Model | BB150-T4M8S6-C-B | | Mounting Type | Rack Mount | | Number Of Contacts | 6 | | Number Of Poles | 6 | | Number of Positions | 6 | | Part Number | Hengulus | | Pitch | 0.32 Inches | | Specification Met | UL | | UPC | 717664070675 | | Unit Count | 1 Count | | Voltage | 12 Volts | | Warranty Description | 1 Year Manufacturer | ## Product Details - **Brand:** DAIERTEK - **Color:** BB150-T4M8S6-C-B - **Connector Type:** Screw - **Current Rating:** 150 Amps - **Item Pitch:** 0.32 Inches - **Material:** Copper - **Mounting Type:** Rack Mount - **Number Of Contacts:** 6 - **Number Of Poles:** 6 - **Voltage:** 12 Volts ## Images ![DAIERTEK Negative Bus Bar 12V Marine 4 x 5/16" (M8) Terminal Studs 6 x M4 (#8) Terminal Screws Gound Bus Bar Black Negative Power Distribution Block for Automotive Boat Solar System - Image 1](https://m.media-amazon.com/images/I/613fdkwdAsL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Time will tell, but looks very good *by R***S on January 26, 2026* Have not installed this, but very impressed with the build. Very sturdey and also appreciate the cover. ### ⭐⭐⭐⭐⭐ Worked great for my application *by M***H on January 24, 2026* I needed this for my RV and it worked out great! I had several negative terminals that were sharing a single screw attached to the frame. I needed to add negative wire for a solar charge controller and this bus bar worked great. I did discover after the initial installation that I needed to ground the bus bar to the frame. But everything works and looks good now. ### ⭐⭐⭐⭐⭐ Well Made Power Distribution block for Adding Automotive Accessories *by J***. on November 8, 2025* Well made product. Sturdy and easily to install. I used this in a restoration of a 1948 Dodge pick-up restoration to provide easy distribution of power in conversion to 12 V negative ground from 6 volt positive ground. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/452133708-daiertek-negative-bus-bar-12v-marine-4-x-5-16](https://www.desertcart.tn/products/452133708-daiertek-negative-bus-bar-12v-marine-4-x-5-16) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-06-04*