---
product_id: 704448701
title: "Heavy Duty Bus Bar 300A 12V Power Distribution Block with 5/16\" (M8) 4-Posts Terminals Block with Cover for Automotive, Marine, Battery System(Red)"
brand: "uckasayfy"
price: "8370 som"
currency: KGS
in_stock: true
url: https://www.desertcart.kg/products/704448701-heavy-duty-bus-bar-300a-12v-power-distribution-block-5
store_origin: KG
region: Kyrgyzstan
---

# 300A high amperage capacity 4 robust 5/16" (M8) terminals Flame-retardant & corrosion-resistant Heavy Duty Bus Bar 300A 12V Power Distribution Block with 5/16" (M8) 4-Posts Terminals Block with Cover for Automotive, Marine, Battery System(Red)

**Brand:** uckasayfy
**Price:** 8370 som
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your setup like a pro—stay connected, stay ahead!

## Quick Answers

- **What is this?** Heavy Duty Bus Bar 300A 12V Power Distribution Block with 5/16" (M8) 4-Posts Terminals Block with Cover for Automotive, Marine, Battery System(Red) by uckasayfy
- **How much does it cost?** 8370 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/704448701-heavy-duty-bus-bar-300a-12v-power-distribution-block-5)

## Best For

- uckasayfy enthusiasts

## Why This Product

- Trusted uckasayfy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Reinforced nylon and nickel-plated brass ensure durability and stable current flow
- • **Power Up Without Limits:** Handles a massive 300A at 12V, max 48V for heavy-duty performance
- • **Versatility Meets Efficiency:** Perfect for automotive, marine, truck, and battery systems—one block to rule them all
- • **Confidence in Every Connection:** Premium craftsmanship backed by strict quality control and dedicated after-sales support
- • **Secure Connections, Zero Hassle:** Four 5/16" (M8) terminals provide flexible, reliable wiring options

## Overview

This Heavy Duty Bus Bar is engineered for high-performance power distribution, supporting up to 300A at 12V with a max voltage of 48V. Featuring a flame-retardant nylon body, nickel-plated brass contacts, and corrosion-resistant stainless steel hardware, it ensures durable, stable connections. Its 4-post 5/16" (M8) terminals offer flexible wiring for automotive, marine, truck, and battery systems, making it an essential upgrade for efficient and reliable power management.

## Description

Full description not available

## Features

- 【High Amperage Capacity】——This busbar distribution block is designed to handle up to 300A of current at 12V, and can handle MAX 48V. This busbar provides a convenient solution for organizing and distributing power effectively
- 【Durable & Robust】——Constructed with reinforced nylon flame retardant material. The nickel-plated brass contact plate ensures even and consistent flow and stability. Stainless steel offers excellent durability and resistance to corrosion
- 【Flexibile & Convenient】——The 5/16" 4-post terminals of the distribution block allow for easy and secure wiring connections, providing flexibility in connecting multiple electrical devices or components
- 【Wide Application】——Suitable for a range of applications, including cars, marine, truck and battery systems. This battery terminal block is a versatile solution for efficient power management and distribution
- 【After-sales Service】——Exquisite craft, strict quality control and excellent after-sales service that is why our products worth your purchase

## Product Details

- **Current Rating:** 300 Amps
- **Connector Type:** Terminal Block
- **Number Of Contacts:** 4
- **Mounting Type:** Flush Mount
- **Material:** Brass, Nylon, Stainless Steel
- **Color:** Red
- **Brand:** UCkasayfy
- **Voltage:** 12 Volts
- **Number Of Poles:** 4
- **Manufacturer:** UCkasayfy

## Images

![Heavy Duty Bus Bar 300A 12V Power Distribution Block with 5/16" (M8) 4-Posts Terminals Block with Cover for Automotive, Marine, Battery System(Red) - Image 1](https://m.media-amazon.com/images/I/716siECr0YL.jpg)
![Heavy Duty Bus Bar 300A 12V Power Distribution Block with 5/16" (M8) 4-Posts Terminals Block with Cover for Automotive, Marine, Battery System(Red) - Image 2](https://m.media-amazon.com/images/I/71Y9d3QcRuL.jpg)
![Heavy Duty Bus Bar 300A 12V Power Distribution Block with 5/16" (M8) 4-Posts Terminals Block with Cover for Automotive, Marine, Battery System(Red) - Image 3](https://m.media-amazon.com/images/I/617eLQqpqeL.jpg)
![Heavy Duty Bus Bar 300A 12V Power Distribution Block with 5/16" (M8) 4-Posts Terminals Block with Cover for Automotive, Marine, Battery System(Red) - Image 4](https://m.media-amazon.com/images/I/61uWxdDrc3L.jpg)
![Heavy Duty Bus Bar 300A 12V Power Distribution Block with 5/16" (M8) 4-Posts Terminals Block with Cover for Automotive, Marine, Battery System(Red) - Image 5](https://m.media-amazon.com/images/I/61aS7yJUe6L.jpg)

## Available Options

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

## Questions & Answers

**Q: Is this Bus Bar suitable for small solar systems?**
A: Yes, it is well-suited for small solar systems, providing safe and efficient power distribution.

**Q: Can it be used for automotive modifications?**
A: Yes, it can be used for automotive electrical system modifications, but please ensure sufficient installation space.

**Q: What is the current-carrying capacity of the product?**
A: It offers various options ranging from 250A to 600A to meet different power requirements, with excellent load-bearing performance. Please check the bottom of the product details page for specific options.

**Q: Is the product size too large?**
A: The product dimensions are clearly listed on the details page. Please verify the installation space before purchasing.

**Q: Does it support both M8 and M10 bolt specifications?**
A: Yes, the product comes in multiple specifications (e.g., 5/16" M8 and 3/8" M10) to accommodate different needs. Please check the bottom of the product details page for available options.

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**Shop now:** [https://www.desertcart.kg/products/704448701-heavy-duty-bus-bar-300a-12v-power-distribution-block-5](https://www.desertcart.kg/products/704448701-heavy-duty-bus-bar-300a-12v-power-distribution-block-5)

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*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-01-23*