---
product_id: 520996839
title: "Bus Bar 12V-48V 300A Heavy Duty Busbar 4 x 5/16\" (M8) Posts Power Distribution Block, High Amp Bus Bars Positive& Negative Battery Terminals Blocks with Cover, Red& Black 2 Pack"
brand: "gloaso"
price: "$110.51"
currency: USD
in_stock: true
reviews_count: 5
category: "Gloaso"
url: https://www.desertcart.us/products/520996839-bus-bar-12v-48v-300a-heavy-duty-busbar-4-x
store_origin: US
region: United States of America
---

# 300A continuous current rating Saltwater-resistant stainless steel hardware 4 x 5/16" (M8) heavy-duty terminal studs Bus Bar 12V-48V 300A Heavy Duty Busbar 4 x 5/16" (M8) Posts Power Distribution Block, High Amp Bus Bars Positive& Negative Battery Terminals Blocks with Cover, Red& Black 2 Pack

**Brand:** gloaso
**Price:** $110.51
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your world with confidence—stay connected, stay ahead!

## Quick Answers

- **What is this?** Bus Bar 12V-48V 300A Heavy Duty Busbar 4 x 5/16" (M8) Posts Power Distribution Block, High Amp Bus Bars Positive& Negative Battery Terminals Blocks with Cover, Red& Black 2 Pack by gloaso
- **How much does it cost?** $110.51 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/520996839-bus-bar-12v-48v-300a-heavy-duty-busbar-4-x)

## 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 300A continuous current for robust, reliable power distribution.
- • **Effortless Installation:** Surface mount design with included screws makes setup fast and secure—get powered up in no time.
- • **Marine-Grade Durability:** Corrosion-resistant stainless steel screws and brass plates built to withstand harsh marine environments.
- • **Tool-Free Wiring Access:** Removable side windows let you quickly access wiring without any tools—speed meets convenience.
- • **Versatile Compatibility:** Perfect for automotive, RV, solar, marine, and off-grid setups up to 48V DC—your all-in-one power hub.

## Overview

The Gloaso 300A Bus Bar 12V is a heavy-duty power distribution block featuring four 5/16" (M8) terminal studs, designed for up to 48V DC systems. Constructed with glass fiber reinforced nylon and brass plates, plus stainless steel hardware for saltwater resistance, it ensures durable, corrosion-proof performance. Ideal for marine, automotive, solar, and off-grid applications, this 2-pack includes positive and negative bus bars with covers and mounting hardware for easy, secure installation.

## Description

Buy Gloaso Bus Bar 12V-48V 300A Heavy Duty Busbar 4 x 5/16" (M8) Posts Power Distribution Block, High Amp Bus Bars Positive& Negative Battery Terminals Blocks with Cover, Red& Black 2 Pack: Connecting Blocks - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Top 👍🏻 - Perfekt für meine DIY Solaranlage. Alles massiv und gut verarbeitet 👍🏻
Review: good quality - a bit expensive but they are good quality

## Features

- ​​✅ ​​Premium Construction: Heavy-Duty Module 300A Battery Bus Bar Terminal Blocks. Glass fiber reinforced Nylon base & cover with Brass plates. Stainless steel screws/nuts resist saltwater corrosion, marine bus bar 48v
- ✅ ​​Secure Multi-wire Power Distribution Block: 300Amp Power Busbar with four 5/16"( M8) terminal studs– ideal for parallel/series setups in max 48v DC electric installations. Removable side windows allow quick access for wiring without tools
- ✅Power Distribution Block Bus Bar Max voltage: 48VDC
- ✅ ​​Battery Distribution Block Continuous Rating: 300 Amp at 12 Volt DC per connection
- ✅ ​​Common Heavy Duty Positive and Negative Busbar: it widely fit for automotive, car, stereo setup, RVs, truck, trailer, solar, PV system, battery bank, off-grid, camper, yacht, boat, marine and max 48V DC electrical systems
- ✅ ​​Easy to Install: the 12V Bus Bar is 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 5/16" Lug can work with 300Amps current
- ✅ ​​​What You Get: 1x 300A postive battery busbar with 4x 5/16" studs terminal blocks( red), 1x 300A negative buss bar with 4x 5/16" studs battery terminal block( black), 2x covers, 16x screws
- ✅ The 12V Bus Bar Terminal Blocks with Covers are Climate Friendly. Safer Chemicals. contain Recycled Materials. Worker well-being. Economical Package

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B7RLB2VC |
| Best Sellers Rank | #171 in Distribution Connecting Blocks #1,534 in Audio & Video Distribution Products |
| Brand Name | Gloaso |
| Centerline Length | 13.8 centimeters |
| Color | 300A- 4x5/16" (M8) - Black& Red 2pack |
| Connector Type | Screw |
| Current Rating | 300 A |
| Customer Reviews | 4.7 out of 5 stars 105 Reviews |
| Included Components | 1 Pair 300A Busbars with 5/16" Studs and Cover( Red& Black), Screws |
| Item Dimensions W x H | 2.72"W x 1.75"H |
| Item Pitch | 7.94 millimeters |
| Item Type Name | Bus Bar |
| Item Weight | 1.6 pounds |
| Manufacturer | Gloaso |
| Material | Base& Cover Material: Nylon, Glass Fiber reinforced., Bus Material: Brass, Nickel plated, Stud Material: Stainless Steel Material Base& Cover Material: Nylon, Glass Fiber reinforced., Bus Material: Brass, Nickel plated, Stud Material: Stainless Steel See more |
| Material Type | Base& Cover Material: Nylon, Glass Fiber reinforced., Bus Material: Brass, Nickel plated, Stud Material: Stainless Steel |
| Model | FC360-300A-BR |
| Mounting Type | surface |
| Number Of Contacts | 4 |
| Number Of Poles | 4 |
| Number of Items | 2 |
| Number of Packs | 1 |
| Number of Positions | 4 |
| Part Number | C360-300A-BR |
| Pitch | 7.94 millimeters |
| Specification Met | CE, RoHS |
| Voltage | 48 volts_of_direct_current |
| Warranty Description | 6 Months since order placed |

## Product Details

- **Brand:** Gloaso
- **Color:** 300A- 4x5/16" (M8) - Black& Red 2pack
- **Connector Type:** Screw
- **Current Rating:** 300 A
- **Item Pitch:** 7.94 millimeters
- **Mounting Type:** surface
- **Number Of Contacts:** 4
- **Number Of Poles:** 4
- **Voltage:** 48 volts_of_direct_current

## Images

![Bus Bar 12V-48V 300A Heavy Duty Busbar 4 x 5/16" (M8) Posts Power Distribution Block, High Amp Bus Bars Positive& Negative Battery Terminals Blocks with Cover, Red& Black 2 Pack - Image 1](https://m.media-amazon.com/images/I/61g8vmSrSzL.jpg)
![Bus Bar 12V-48V 300A Heavy Duty Busbar 4 x 5/16" (M8) Posts Power Distribution Block, High Amp Bus Bars Positive& Negative Battery Terminals Blocks with Cover, Red& Black 2 Pack - Image 2](https://m.media-amazon.com/images/I/61gY90BlQgL.jpg)
![Bus Bar 12V-48V 300A Heavy Duty Busbar 4 x 5/16" (M8) Posts Power Distribution Block, High Amp Bus Bars Positive& Negative Battery Terminals Blocks with Cover, Red& Black 2 Pack - Image 3](https://m.media-amazon.com/images/I/71q+ZwcAnoL.jpg)
![Bus Bar 12V-48V 300A Heavy Duty Busbar 4 x 5/16" (M8) Posts Power Distribution Block, High Amp Bus Bars Positive& Negative Battery Terminals Blocks with Cover, Red& Black 2 Pack - Image 4](https://m.media-amazon.com/images/I/71QpEWoJZvL.jpg)
![Bus Bar 12V-48V 300A Heavy Duty Busbar 4 x 5/16" (M8) Posts Power Distribution Block, High Amp Bus Bars Positive& Negative Battery Terminals Blocks with Cover, Red& Black 2 Pack - Image 5](https://m.media-amazon.com/images/I/61p36exVlnL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Top 👍🏻
*by C***F on May 11, 2026*

Perfekt für meine DIY Solaranlage. Alles massiv und gut verarbeitet 👍🏻

### ⭐⭐⭐⭐⭐ good quality
*by A***. on September 8, 2026*

a bit expensive but they are good quality

### ⭐⭐⭐⭐⭐ barre de bus
*by G***N on April 14, 2025*

Le produit correspond à la demande

## Frequently Bought Together

- Gloaso Busbars 12V Marine Bus Bar 300A with 4x M8 Studs Power Distribution Block, Heavy Duty Battery Terminal Blocks 12 Volt-48V DC 300 Amp for Car/Trucks/Campervan/Yacht/Boat/Solar, Red& Black 2 Pack
- AUTOWIRING Automotive Hi-Flex 110 Amp 16mm² Battery/Starter/Inverter/Welding PVC Cable Wire (Black, 10 Metre)
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-10-17*