---
product_id: 548612696
title: "Joinfworld Heavy Duty 500A Bus Bar Waterproof Power Distribution Block with 4*5/16\"(M8)+2*3/8\"(M10) Studs 48V DC Automotive Marine Battery Terminal Distribution Block with Cover - Negative&Positive"
brand: "joinfworld"
price: "530 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/548612696-joinfworld-heavy-duty-500a-bus-bar-waterproof-power-distribution-block
store_origin: PL
region: Poland
---

# 48V DC Compatibility 500A Power Rating Waterproof Design Joinfworld Heavy Duty 500A Bus Bar Waterproof Power Distribution Block with 4*5/16"(M8)+2*3/8"(M10) Studs 48V DC Automotive Marine Battery Terminal Distribution Block with Cover - Negative&Positive

**Brand:** joinfworld
**Price:** 530 zł
**Availability:** ✅ In Stock

## Summary

> 🔌 Power Up Your Connections with Confidence!

## Quick Answers

- **What is this?** Joinfworld Heavy Duty 500A Bus Bar Waterproof Power Distribution Block with 4*5/16"(M8)+2*3/8"(M10) Studs 48V DC Automotive Marine Battery Terminal Distribution Block with Cover - Negative&Positive by joinfworld
- **How much does it cost?** 530 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/548612696-joinfworld-heavy-duty-500a-bus-bar-waterproof-power-distribution-block)

## 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

- • **Safety First:** Includes protective cover to minimize accidental contact and prevent short circuits.
- • **Durable Design:** Thicker copper bus bar plate for enhanced durability and wider cable compatibility.
- • **All-Weather Ready:** Waterproof rings ensure reliable performance in any environment.
- • **Powerful Performance:** Rated for a robust 500A, ensuring your power needs are met with ease.
- • **Versatile Connectivity:** Equipped with 2 x 3/8" (M10) and 4 x 5/16" (M8) studs for flexible wiring options.

## Overview

The Joinfworld Heavy Duty 500A Bus Bar is a robust power distribution block designed for automotive and marine applications. Rated for 500A and compatible with up to 48V DC, it features a waterproof design, thicker copper plates for durability, and multiple stud sizes for versatile wiring options. Ideal for ensuring safe and organized electrical connections.

## Description

Joinfworld Heavy Duty 500A Bus Bar Waterproof Power Distribution Block with 4*5/16"(M8)+2*3/8"(M10) Studs 48V DC Automotive Marine Battery Terminal Distribution Block with Cover - Negative&Positive

## Features

- 500A Heavy Duty: The 12V Bus Bar rated 500A, besides, this power bus bar junction block can work with MAX 48V DC & 300V AC. Each power busbar will come with a protect cover and nuts, which helps to shelter as much exposed area as possible to reduce the risks of accidental contact and prevent short circuit, makes the circuit safer
- Upgrade & Thicken: A pair of 12v power distribution block, includes a red and a black power distribution block(Positive&Negative). Our 12v 500 amp bus bar also features Thicker Copper Bus Bar Plate which can be connected to wider range of cables
- 3/8" & 5/16" Studs: The Power Distribution Block Bus Bar with 2 x 3/8" (M10) and 4 x 5/16"(M8) stud posts, which makes the 12V terminal block be able to accept 4/0 Gauge wires and terminals. The size of the terminal can be selected, which is more convenient
- Waterproof: The 500 amp copper battery bus bar comes with waterproof rings, which can act as a sealing function, so it makes your wiring more secure and reliable. This set of red and black busbar also comes with removable plates, it let the wires&terminals go through very easy and prevent short circuit
- Wide Application - The 500A Heavy Duty Power Distribution Block makes the wiring of circuit become neat and tidy and prevent electric short circuit, suitable for automotive, car, truck, marine, boat, RV, Solar, etc.

## Product Details

- **Connector Type:** Crimp
- **Color:** Red&Black
- **Item dimensions L x W x H:** 5.4 x 5.4 x 2.7 inches
- **Brand:** Joinfworld
- **Finish Type:** Stainless Steel

## Images

![Joinfworld Heavy Duty 500A Bus Bar Waterproof Power Distribution Block with 4*5/16"(M8)+2*3/8"(M10) Studs 48V DC Automotive Marine Battery Terminal Distribution Block with Cover - Negative&Positive - Image 1](https://m.media-amazon.com/images/I/71oOMPneFmL.jpg)

## Available Options

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

## Questions & Answers

**Q: Is the conductive material solid copper?**
A: Yes, Copper Nickel Plated Plate with Stainless Steel Studs and Nuts.

## Frequently Bought Together

- Joinfworld Heavy Duty 500A Bus Bar Waterproof Power Distribution Block with 4*5/16"(M8)+2*3/8"(M10) Studs 48V DC Automotive Marine Battery Terminal Distribution Block with Cover - Negative&Positive
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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-26*