---
product_id: 454282341
title: "DAIERTEK Bus Bar Terminal Block 4 x 5/16\" (M8) Terminal Stud, 6 x #8 (M4) Screw Terminal Positive & Ground Power Distribution Block with Cover Marine Battery Bus Bar 12V - 48V for Automotive Car Boat"
brand: "daiertek"
price: "$56.89"
currency: USD
in_stock: true
reviews_count: 8
category: "Daiertek"
url: https://www.desertcart.us/products/454282341-daiertek-bus-bar-terminal-block-4-x-5-16-m8
store_origin: US
region: United States of America
---

# 150A max current 12V-48V compatible Insulated cover included DAIERTEK Bus Bar Terminal Block 4 x 5/16" (M8) Terminal Stud, 6 x #8 (M4) Screw Terminal Positive & Ground Power Distribution Block with Cover Marine Battery Bus Bar 12V - 48V for Automotive Car Boat

**Brand:** daiertek
**Price:** $56.89
**Availability:** ✅ In Stock

## Summary

> ⚡ Streamline your power game with DAIERTEK’s ultimate bus bar block!

## Quick Answers

- **What is this?** DAIERTEK Bus Bar Terminal Block 4 x 5/16" (M8) Terminal Stud, 6 x #8 (M4) Screw Terminal Positive & Ground Power Distribution Block with Cover Marine Battery Bus Bar 12V - 48V for Automotive Car Boat by daiertek
- **How much does it cost?** $56.89 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/454282341-daiertek-bus-bar-terminal-block-4-x-5-16-m8)

## 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

- • **Safety First:** Polycarbonate cover and insulated rubber nuts prevent accidental shorts.
- • **Built to Endure:** Copper plates and stainless steel terminals ensure durability in extreme environments.
- • **Dual Bus Bar Design:** Includes both positive (red) and ground (black) bars for complete setup.
- • **Powerhouse Performance:** Handles up to 150A DC for robust power distribution.
- • **Versatile Voltage Range:** Seamlessly supports 12V to 48V systems for automotive and marine use.

## Overview

The DAIERTEK Bus Bar Terminal Block is a heavy-duty power distribution solution featuring 4 M8 terminal studs and 6 M4 screw terminals, designed for 12V to 48V automotive and marine applications. Rated for up to 150A DC and 300V AC, it includes both positive and ground bus bars with a protective polycarbonate cover and insulated nuts to ensure safety and durability in harsh environments.

## Description

Buy DAIERTEK Bus Bar Terminal Block 4 x 5/16" (M8) Terminal Stud, 6 x #8 (M4) Screw Terminal Positive & Ground Power Distribution Block with Cover Marine Battery Bus Bar 12V - 48V for Automotive Car Boat: Connecting Blocks - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Good stuff - Does the job, well made.
Review: Well Made Power Distribution block for Adding Automotive Accessories - 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.

## Features

- Features: Marine bus bar junction block 12v, these busbars will come in pairs, include one positive bus bar (red one) and one negative bus bar (black one).
- Rating: Max voltage: 300V AC, 48V DC. Max continuous amperage: 130A AC, 150A DC. This battery distribution block will be suitable for both AC and DC systems.
- Terminals: Each battery bus bar 12v includes - M8 (5/16") terminal studs x 4 and M4 (#8) screw terminals x 6, two power bus bars in the package - one positive bus bar and one ground bus bar.
- With Cover: This 12v power distribution block will come with polycarbonate cover and insulated rubber nuts, which can cover the exposed terminals of the bus bar terminal block and prevent accidental electrical short circuit.
- Application: This battery terminal block uses copper plates and stainless steel terminals as conductors, which enables the battery distribution block to work in extreme environment, suitable for automotive, car, marine, boat, etc.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09YNK5CHY |
| Best Sellers Rank | #3 in Distribution Connecting Blocks |
| Brand Name | DAIERTEK |
| Color | BB150-T4M8S6-C-RB |
| Connector Type | Screw |
| Current Rating | 150 Amps |
| Customer Reviews | 4.8 out of 5 stars 519 Reviews |
| Item Dimensions W x H | 5.9"W x 1.37"H |
| Manufacturer | DAIERTEK |
| Material | Copper, Stainless Steel |
| Material Type | Copper, Stainless Steel |
| Model | DAIERTEK-BUSBAR-4xM8-6xM4 |
| Mounting Type | Panel Mount |
| Number Of Contacts | 6 |
| Number Of Poles | 6 |
| Number of Positions | 10 |
| Temperature Range | 7E+1 Degrees Celsius |
| UPC | 717664070644 |
| Upper Temperature Rating | 70 Degrees Celsius |
| Voltage | 300 Volts |
| Warranty Description | 1 Year Manufacturer |

## Product Details

- **Current Rating:** 150 Amps
- **Connector Type:** Screw
- **Number Of Contacts:** 6
- **Mounting Type:** Panel Mount
- **Material:** Copper, Stainless Steel
- **Color:** BB150-T4M8S6-C-RB
- **Brand:** DAIERTEK
- **Voltage:** 300 Volts
- **Number Of Poles:** 6
- **Product Dimensions:** 5.9"W x 1.37"H

## Images

![DAIERTEK Bus Bar Terminal Block 4 x 5/16" (M8) Terminal Stud, 6 x #8 (M4) Screw Terminal Positive & Ground Power Distribution Block with Cover Marine Battery Bus Bar 12V - 48V for Automotive Car Boat - Image 1](https://m.media-amazon.com/images/I/7163xr4NYUL.jpg)

## Available Options

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

## Questions & Answers

**Q: Is the plate tinned copper? It says "copper" but copper is not silver only aluminum, stainless, or tinned copper is that color. What is the material?**
A: Yes, this plate of bus bar is made of tin-plated copper. Because copper is easily oxidized, we use tin-plated copper as the bottom plate of this bus bar.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good stuff
*by D***L on November 8, 2025*

Does the job, well made.

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐⭐ Nice and small
*by H***8 on November 22, 2025*

Nice for a 48 volt buss bar in small areas

## Frequently Bought Together

- DAIERTEK Bus Bar Terminal Block 4 x 5/16" (M8) Terminal Stud, 6 x #8 (M4) Screw Terminal Positive & Ground Power Distribution Block with Cover Marine Battery Bus Bar 12V - 48V for Automotive Car Boat
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-05*