---
product_id: 647359935
title: "DaierTek Power Distribution Block 300A 12V Bus Bar 5/16\" 6 Post Terminal Block with Cover Max 48V DC/300V AC for Marine Automotive Car Truck Solar Systems (Positive and Ground)"
brand: "daiertek"
price: "B/.151"
currency: PAB
in_stock: true
reviews_count: 13
category: "Daiertek"
url: https://www.desertcart.com.pa/products/647359935-daiertek-power-distribution-block-300a-12v-bus-bar-5-16
store_origin: PA
region: Panama
---

# 300A max current capacity 5/16" (M8) heavy-duty terminal studs Polycarbonate cover for durable protection DaierTek Power Distribution Block 300A 12V Bus Bar 5/16" 6 Post Terminal Block with Cover Max 48V DC/300V AC for Marine Automotive Car Truck Solar Systems (Positive and Ground)

**Brand:** daiertek
**Price:** B/.151
**Availability:** ✅ In Stock

## Summary

> ⚡ Connect with confidence — power your projects like a pro!

## Quick Answers

- **What is this?** DaierTek Power Distribution Block 300A 12V Bus Bar 5/16" 6 Post Terminal Block with Cover Max 48V DC/300V AC for Marine Automotive Car Truck Solar Systems (Positive and Ground) by daiertek
- **How much does it cost?** B/.151 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/647359935-daiertek-power-distribution-block-300a-12v-bus-bar-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

- • **Compact Yet Mighty:** Smaller footprint than typical 300A bus bars for versatile mounting
- • **Powerhouse Performance:** Handles up to 300 Amps for high-demand setups
- • **Rock-Solid Connections:** 5/16" threaded studs ensure secure, vibration-resistant wiring
- • **Universal Compatibility:** Perfect for automotive, marine, solar, and truck power systems
- • **Built to Brave the Elements:** Tin-plated copper and polycarbonate cover resist corrosion and wear

## Overview

The DaierTek Power Distribution Block is a robust 300A, 12V bus bar featuring six 5/16" (M8) terminal posts with a protective polycarbonate cover. Designed with tin-plated copper and stainless steel hardware, it supports up to 48V DC and 300V AC, making it ideal for automotive, marine, truck, and solar power systems. Its compact size and durable materials ensure reliable, corrosion-resistant connections in demanding environments.

## Description

Buy DaierTek Power Distribution Block 300A 12V Bus Bar 5/16" 6 Post Terminal Block with Cover Max 48V DC/300V AC for Marine Automotive Car Truck Solar Systems (Positive and Ground): Connecting Blocks - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Great product - Excellent got boat electronics! Easy to install
Review: Very sturdy - Very sturdy, works well so far

## Features

- 【High Quality】- Power distribution block consists of tin-plated copper bar, stainless steel nuts and terminal studs, nylon bus bar terminal block base and polycarbonate cover. The material is hard and the product is durable.
- 【5/16" Terminal Studs】- The 5/16"(M8) connector is a standardized connector, typically designed as a large-sized connector capable of withstanding high currents and voltages. It features a threaded connection design for easy installation and provides a secure and reliable connection.
- 【Rating】- This bus bar can work in Max 300V AC, 48V DC power supply curcuit, and its size is smaller than other normal 300A bus bars, can meet various mounting demands.
- 【Convenient Connection】- The terminal block has reasonable spacing for connector installation and can be wired 360 degrees.
- 【Wide Application】- The high-quality materials of this battery distribution block enables it to work in extreme environments, universally fit for automotive,car, boat, solar systems, etc.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D4YJVGCQ |
| Best Sellers Rank | #44,972 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #56 in Ground Circuit Terminal Blocks |
| Brand | DAIERTEK |
| Color | 300A |
| Connector Type | Screw |
| Current Rating | 300 Amps |
| Customer Reviews | 4.7 4.7 out of 5 stars (500) |
| Date First Available | May 23, 2024 |
| Item Pitch | 0.31 Inches |
| Item Weight | 1.61 pounds |
| Item model number | BB300-T6M8-C-RB |
| Manufacturer | DaierTek |
| Material | Nylon, Polycarbonate (PC) |
| Mounting Type | PCB Mount |
| Number Of Contacts | 6 |
| Number Of Poles | 6 |
| Product Dimensions | 6.49"W x 1.51"H |
| Specification Met | True |
| Voltage | 12 Volts |

## Product Details

- **Brand:** DAIERTEK
- **Color:** 300A
- **Connector Type:** Screw
- **Current Rating:** 300 Amps
- **Item Pitch:** 0.31 Inches
- **Material:** Nylon, Polycarbonate (PC)
- **Mounting Type:** PCB Mount
- **Number Of Contacts:** 6
- **Number Of Poles:** 6
- **Voltage:** 12 Volts

## Images

![DaierTek Power Distribution Block 300A 12V Bus Bar 5/16" 6 Post Terminal Block with Cover Max 48V DC/300V AC for Marine Automotive Car Truck Solar Systems (Positive and Ground) - Image 1](https://m.media-amazon.com/images/I/61O6QCY78oL.jpg)
![DaierTek Power Distribution Block 300A 12V Bus Bar 5/16" 6 Post Terminal Block with Cover Max 48V DC/300V AC for Marine Automotive Car Truck Solar Systems (Positive and Ground) - Image 2](https://m.media-amazon.com/images/I/71H-w08gBsL.jpg)
![DaierTek Power Distribution Block 300A 12V Bus Bar 5/16" 6 Post Terminal Block with Cover Max 48V DC/300V AC for Marine Automotive Car Truck Solar Systems (Positive and Ground) - Image 3](https://m.media-amazon.com/images/I/71i1HYYWaVL.jpg)
![DaierTek Power Distribution Block 300A 12V Bus Bar 5/16" 6 Post Terminal Block with Cover Max 48V DC/300V AC for Marine Automotive Car Truck Solar Systems (Positive and Ground) - Image 4](https://m.media-amazon.com/images/I/71r+CuL4TwL.jpg)
![DaierTek Power Distribution Block 300A 12V Bus Bar 5/16" 6 Post Terminal Block with Cover Max 48V DC/300V AC for Marine Automotive Car Truck Solar Systems (Positive and Ground) - Image 5](https://m.media-amazon.com/images/I/71wRZpp8ixL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product
*by A***R on November 28, 2025*

Excellent got boat electronics! Easy to install

### ⭐⭐⭐⭐⭐ Very sturdy
*by R***9 on July 12, 2025*

Very sturdy, works well so far

### ⭐⭐⭐⭐⭐ Bus Bar
*by T***Y on August 28, 2025*

These are very well made bus bars. The nuts are self locking and does not require a self locking washers. Also, the way they are made, you can clock the wire about any directions and are not restricted by the top cover.

## Frequently Bought Together

- DaierTek Power Distribution Block 300A 12V Bus Bar 5/16" 6 Post Terminal Block with Cover Max 48V DC/300V AC for Marine Automotive Car Truck Solar Systems (Positive and Ground)
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**Shop now:** [https://www.desertcart.com.pa/products/647359935-daiertek-power-distribution-block-300a-12v-bus-bar-5-16](https://www.desertcart.com.pa/products/647359935-daiertek-power-distribution-block-300a-12v-bus-bar-5-16)

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*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-02-12*