--- product_id: 594136441 title: "Busbar 12V-48V DC 300A, Heavy Duty Bus Bar with 4X 3/8\"(M10) Posts Terminals Blocks, 300 Amp Battery Junction Block Module Powerbar for Car RV Solar Truck Boat Marine, Red& Black 2 Pack" brand: "gloaso" price: "€ 93.92" currency: EUR in_stock: true category: "Gloaso" url: https://www.desertcart.hr/products/594136441-busbar-12v-48v-dc-300a-heavy-duty-bus-bar-4x store_origin: HR region: Croatia --- # 300A continuous current rating Marine-grade corrosion resistant materials 4x 3/8" (M10) heavy-duty terminal studs Busbar 12V-48V DC 300A, Heavy Duty Bus Bar with 4X 3/8"(M10) Posts Terminals Blocks, 300 Amp Battery Junction Block Module Powerbar for Car RV Solar Truck Boat Marine, Red& Black 2 Pack **Brand:** gloaso **Price:** € 93.92 **Availability:** ✅ In Stock ## Summary > 🔋 Power your adventures with the ultimate heavy-duty busbar – because your setup deserves the best! ## Quick Answers - **What is this?** Busbar 12V-48V DC 300A, Heavy Duty Bus Bar with 4X 3/8"(M10) Posts Terminals Blocks, 300 Amp Battery Junction Block Module Powerbar for Car RV Solar Truck Boat Marine, Red& Black 2 Pack by gloaso - **How much does it cost?** € 93.92 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/594136441-busbar-12v-48v-dc-300a-heavy-duty-bus-bar-4x) ## Best For - gloaso enthusiasts ## Why This Product - Trusted gloaso brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Powerhouse Performance:** Handles up to 300 Amps continuous current for robust, reliable power distribution. - • **Marine-Grade Durability:** Constructed with glass fiber reinforced nylon and stainless steel hardware to resist saltwater corrosion. - • **Tool-Free Wiring Access:** Removable side windows enable quick, hassle-free wiring adjustments without extra tools. - • **Versatile Voltage Range:** Supports 12V to 48V DC systems, perfect for automotive, solar, marine, and RV setups. - • **Eco-Conscious Engineering:** Made with recycled materials and safer chemicals, combining performance with sustainability. ## Overview The Gloaso 12V-48V DC 300A Heavy Duty Busbar is a premium dual-pack battery junction block designed for high-current applications in cars, RVs, solar systems, boats, and marine environments. Featuring four robust 3/8" (M10) brass terminal studs, corrosion-resistant stainless steel hardware, and a glass fiber reinforced nylon base, it ensures secure, efficient power distribution up to 300 Amps continuous current. Easy to install with tool-free wiring access and eco-friendly materials, this busbar is engineered for professionals demanding reliability and durability in versatile DC electrical systems. ## Description Buy Gloaso Busbar 12V-48V DC 300A, Heavy Duty Bus Bar with 4X 3/8"(M10) Posts Terminals Blocks, 300 Amp Battery Junction Block Module Powerbar for Car RV Solar Truck Boat Marine, Red& Black 2 Pack: Connecting Blocks - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - ✅ ​​Premium Construction: Heavy-Duty Module Design Busbar Box. Glass fiber reinforced Nylon base & cover with Brass plates. Stainless steel screws/nuts resist saltwater corrosion, sepcial for marine - ✅ ​​Secure Multi-wire Distribution Block: 300A PowerBar with four 3/8"( M10) terminal studs– ideal for parallel/series setups in max 48v DC electric installations. Removable side windows allow quick access for wiring without tools - ✅ ​​Max voltage: 48VDC. - ✅ ​​Continuous Rating: 300 Amp at 12 Volt DC per connection - ✅ ​​Common Bus Bar Distribution Box: it widely fit for automotive, car, stereo setup, RVs, truck, trailer, solar, battery bank, off-grid, boat, marine and max 48V DC electrical systems - ✅ ​​Easy to Install : Surface Mount, 4 Mounting holes with screws included - ✅ ​​Safe Note: a, the wire and over current protection is sized based on the load; b, Make sure your 3/8" Lug can work with 300Amps current - ✅ ​​​What You Get: 1x 300A postive bus bar with 4x ​3/8" studs terminal( red), 1x 300A negative buss bar with 4x ​3/8" studs terminal( black), 2x covers, 16x screws - ✅ The Busbars are Climate Friendly. Safer Chemicals. contain Recycled Materials. Worker well-being. Economical Package ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CLC96L2Q | | Best Sellers Rank | #104 in Distribution Connecting Blocks #1,021 in Audio & Video Distribution Products | | Brand | Gloaso | | Centerline Length | 5.47 Inches | | Color | 300A- 4x3/8" (M10) - Black& Red 2pack | | Connector Type | Stud | | Current Rating | 300 Amps | | Customer Reviews | 4.6 4.6 out of 5 stars (359) | | Date First Available | October 19, 2023 | | Item Weight | 14 ounces | | Item model number | C360-300A-M10-BR | | Manufacturer | Gloaso | | Material | Base & Cover Material: Glass Fiber reinforced Nylon, Bus Material: Brass, Nickel plated, Stud Material: Stainless Steel | | Mounting Type | Surface Mount | | Number Of Contacts | 4 | | Number Of Poles | 4 | | Product Dimensions | 5.43"W x 1.75"H | | Specification Met | CE, RoHS | | Voltage | 48 Volts (DC) | ## Product Details - **Brand:** Gloaso - **Color:** 300A- 4x3/8" (M10) - Black& Red 2pack - **Connector Type:** Stud - **Current Rating:** 300 Amps - **Mounting Type:** Surface Mount - **Number Of Contacts:** 4 - **Number Of Poles:** 4 - **Product Dimensions:** 5.43"W x 1.75"H - **Voltage:** 48 Volts (DC) ## Images ![Busbar 12V-48V DC 300A, Heavy Duty Bus Bar with 4X 3/8"(M10) Posts Terminals Blocks, 300 Amp Battery Junction Block Module Powerbar for Car RV Solar Truck Boat Marine, Red& Black 2 Pack - Image 1](https://m.media-amazon.com/images/I/61qIdQrpftL.jpg) ![Busbar 12V-48V DC 300A, Heavy Duty Bus Bar with 4X 3/8"(M10) Posts Terminals Blocks, 300 Amp Battery Junction Block Module Powerbar for Car RV Solar Truck Boat Marine, Red& Black 2 Pack - Image 2](https://m.media-amazon.com/images/I/71eQ-Dp+TbS.jpg) ![Busbar 12V-48V DC 300A, Heavy Duty Bus Bar with 4X 3/8"(M10) Posts Terminals Blocks, 300 Amp Battery Junction Block Module Powerbar for Car RV Solar Truck Boat Marine, Red& Black 2 Pack - Image 3](https://m.media-amazon.com/images/I/61hUXMqthoL.jpg) ![Busbar 12V-48V DC 300A, Heavy Duty Bus Bar with 4X 3/8"(M10) Posts Terminals Blocks, 300 Amp Battery Junction Block Module Powerbar for Car RV Solar Truck Boat Marine, Red& Black 2 Pack - Image 4](https://m.media-amazon.com/images/I/61+hDBnZqxL.jpg) ![Busbar 12V-48V DC 300A, Heavy Duty Bus Bar with 4X 3/8"(M10) Posts Terminals Blocks, 300 Amp Battery Junction Block Module Powerbar for Car RV Solar Truck Boat Marine, Red& Black 2 Pack - Image 5](https://m.media-amazon.com/images/I/71q+ZwcAnoL.jpg) ## Available Options This product comes in different **Color** options. ## Frequently Bought Together - Gloaso 300A Bus Bar 12V- 48V DC with 4X 3/8"(M10) Bolts Terminals Busbar Power Distribution Blocks, Heavy Duty Battery Junction Block 300 Amp for Car Trucks Boat Marine RV Solar with Cover - 1 Pair - TKDMR 10pcs 2/0 AWG-3/8 Battery Lugs,Heavy Duty Wire Lugs,Ring Terminals,Battery Cable Ends,0 Guage terminals,Battery Terminal Connectors with 10pcs 3:1 Heat Shrink Tubing - SELTERM 10pcs - 1/0 Awg - 5/16" Stud - Battery Lugs - Ring Terminal Connectors | with 12pcs 3:1 Black & Red Heat Shrink Tubing with Adhesive | Heavy Duty Battery Cable Ends - Bare Copper Wire Lugs Kit --- ## 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.hr/products/594136441-busbar-12v-48v-dc-300a-heavy-duty-bus-bar-4x](https://www.desertcart.hr/products/594136441-busbar-12v-48v-dc-300a-heavy-duty-bus-bar-4x) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-04-23*