---
product_id: 465657887
title: "Joinfworld Power Distribution Block 12V 3/8\" Single Stud Bus Bar M10 Insulated Battery Post Junction Block for Marine Boat Automotive - Positive&Negative"
brand: "joinfworld"
price: "4246 kr"
currency: ISK
in_stock: true
reviews_count: 8
category: "Joinfworld"
url: https://www.desertcart.is/products/465657887-joinfworld-power-distribution-block-12v-3-8-single-stud-bus
store_origin: IS
region: Iceland
---

# 250A heavy-duty current rating 3/8" M10 stud terminal for large connectors 316 stainless steel corrosion resistance Joinfworld Power Distribution Block 12V 3/8" Single Stud Bus Bar M10 Insulated Battery Post Junction Block for Marine Boat Automotive - Positive&Negative

**Brand:** joinfworld
**Price:** 4246 kr
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your projects with premium strength and style!

## Quick Answers

- **What is this?** Joinfworld Power Distribution Block 12V 3/8" Single Stud Bus Bar M10 Insulated Battery Post Junction Block for Marine Boat Automotive - Positive&Negative by joinfworld
- **How much does it cost?** 4246 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/465657887-joinfworld-power-distribution-block-12v-3-8-single-stud-bus)

## Best For

- joinfworld enthusiasts

## Why This Product

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

## Key Features

- • **Sleek & Safe Wiring:** Insulated design keeps your setup neat, secure, and short-circuit free.
- • **Corrosion-Proof Durability:** 316 stainless steel studs outperform standard 304 steel for long-lasting reliability.
- • **Versatile Application Ready:** Perfect for automotive, marine, solar, and heavy-duty electrical projects.
- • **Power Through with Confidence:** Handles up to 250A at 12V, built for demanding circuits.
- • **Universal Connector Compatibility:** 3/8" M10 stud terminal fits large gauge wires and connectors effortlessly.

## Overview

The Joinfworld Single 3/8" Stud 12V Junction Block is a heavy-duty power distribution terminal rated for 250 amps, featuring corrosion-resistant 316 stainless steel studs and an insulated design. Ideal for automotive, marine, and solar wiring, it ensures secure, neat connections compatible with large terminal connectors.

## Description

Buy Joinfworld Power Distribution Block 12V 3/8" Single Stud Bus Bar M10 Insulated Battery Post Junction Block for Marine Boat Automotive - Positive&Negative: Connecting Blocks - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Good quality. - Good quality distribution blocks. Feels like quality material and they work well.
Review: Good quality with stainless fasteners - I used these as a buss for a trolling motor install. All metal is stainless steel including the sheet metal screws .

## Features

- Product: A pair of single stud terminal 12V junction block, includes a positive power distribution block red and a negative power distribution block black
- Heavy Duty: The 12v battery junction block rated 250A when work in 12v circuit, and the battery junction block can work with MAX 48v power
- 3/8" Stud Terminal: The battery post is single 3/8" M10 stud terminal design, which makes the 12v bus bar terminal block be able to accept large size terminal connectors and wires
- 316 Stainless Steel Material: The Stud of the terminal post is made of 316 stainless steel, which makes this 12v junction post have better corrosion resistance performance compared with 304 stainless steel made battery bus bar
- Wide Application: The Heavy Duty Insulated Junction Post Block aims to make the wiring of circuit become neat and tidy, prevent electric short circuit, suitable for automotive, car, truck, marine, boat, solar wiring, etc

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B2LK7KDR |
| Best Sellers Rank | #21 in Distribution Connecting Blocks #56 in Audio & Video Distribution Products |
| Brand Name | Joinfworld |
| Color | Single M10 |
| Connector Type | Screw |
| Current Rating | 250 Amps |
| Customer Reviews | 4.7 out of 5 stars 305 Reviews |
| Included Components | 1 x Positive&Ground Power Distribution Block |
| Item Dimensions W x H | 2"W x 1.5"H |
| Item Weight | 0.28 Pounds |
| Manufacturer | Joinfworld |
| Material | Nylon, Stainless Steel |
| Material Type | Nylon, Stainless Steel |
| Model | BB1-1A-RB |
| Mounting Type | Surface Mount |
| Number Of Contacts | 1 |
| Number Of Poles | 1 |
| Number of Positions | 1 |
| Part Number | BB1-1A-RB |
| Specification Met | CE |
| UPC | 751717591588 |
| Upper Temperature Rating | 90 Degrees Celsius |
| Voltage | 12 Volts (DC) |

## Product Details

- **Current Rating:** 250 Amps
- **Connector Type:** Screw
- **Number Of Contacts:** 1
- **Mounting Type:** Surface Mount
- **Material:** Nylon, Stainless Steel
- **Color:** Single M10
- **Brand:** Joinfworld
- **Voltage:** 12 Volts (DC)
- **Number Of Poles:** 1
- **Product Dimensions:** 2"W x 1.5"H

## Images

![Joinfworld Power Distribution Block 12V 3/8" Single Stud Bus Bar M10 Insulated Battery Post Junction Block for Marine Boat Automotive - Positive&Negative - Image 1](https://m.media-amazon.com/images/I/71paLaIn+8L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality.
*by L***R on June 17, 2025*

Good quality distribution blocks. Feels like quality material and they work well.

### ⭐⭐⭐⭐⭐ Good quality with stainless fasteners
*by M***E on July 17, 2025*

I used these as a buss for a trolling motor install. All metal is stainless steel including the sheet metal screws .

### ⭐⭐⭐⭐⭐ Work Perfect and do what they should.
*by J***H on December 27, 2025*

Used these for years on multiple builds. Works great for the price.

## Frequently Bought Together

- Joinfworld Power Distribution Block 12V 3/8" Single Stud Bus Bar M10 Insulated Battery Post Junction Block for Marine Boat Automotive - Positive&Negative
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**Shop now:** [https://www.desertcart.is/products/465657887-joinfworld-power-distribution-block-12v-3-8-single-stud-bus](https://www.desertcart.is/products/465657887-joinfworld-power-distribution-block-12v-3-8-single-stud-bus)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-05-12*