---
product_id: 440561850
title: "Busbar - Made in USA – 4-Post 250 Amp Stainless Steel Distribution Block - 5/16\" Black- Complimentary Conductive Grease"
brand: "bay marine supply"
price: "₨953"
currency: SCR
in_stock: true
reviews_count: 8
category: "Bay Marine Supply"
url: https://www.desertcart.sc/products/440561850-busbar-made-in-usa-4-post-250-amp-stainless-steel
store_origin: SC
region: Seychelles
---

# 250A max current 4 robust 5/16" studs Stainless steel & nickel plating Busbar - Made in USA – 4-Post 250 Amp Stainless Steel Distribution Block - 5/16" Black- Complimentary Conductive Grease

**Brand:** bay marine supply
**Price:** ₨953
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Busbar - Made in USA – 4-Post 250 Amp Stainless Steel Distribution Block - 5/16" Black- Complimentary Conductive Grease by bay marine supply
- **How much does it cost?** ₨953 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/440561850-busbar-made-in-usa-4-post-250-amp-stainless-steel)

## Best For

- bay marine supply enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Nickel-plated brass contact plate and stainless steel posts for ultimate durability
- • **Compact & Efficient:** Sleek 1.94"W x 1.39"H design fits seamlessly into any professional setup
- • **Precision Connections:** Four 5/16" studs with steel screws ensure secure, corrosion-resistant terminals
- • **Powerhouse Performance:** Handles up to 250 Amps at 12Vdc for reliable heavy-duty distribution
- • **Corrosion Defense Included:** Complimentary conductive grease prevents metal galling and extends lifespan

## Overview

This USA-made 4-post busbar distribution block supports up to 250 Amps at 12Vdc with four 5/16" stainless steel studs and nickel-plated brass contacts. It includes a complimentary 7g tube of conductive grease to prevent corrosion and ensure long-lasting, secure electrical connections in compact dimensions ideal for professional-grade installations.

## Description

Buy Bay Marine Supply Busbar - Made in USA – 4-Post 250 Amp Stainless Steel Distribution Block - 5/16" Black- Complimentary Conductive Grease: Connecting Blocks - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: works grate - works grate on adding extra hot wires
Review: Good part - I like this part but I wish it had 1-2 smaller studs, it has all 3/8" studs in it, that size is a little harder to find for smaller wires.

## Features

- Complimentary electrical grease (7g tube) is included to help prevent metal corrosion and galling
- Max Amperage: 250A @ 12Vdc –– Max Voltage: 48Vdc
- Connections: Four 5/16" Studs with Three #8-32 Steel Screws
- Dimensions: 1.775 x 6.59 x 1.385 inch, (1.943 x 6.59 x 1.385 inch with cover)
- Nickel plated brass contact plate & stainless steel connection posts

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0915GYL35 |
| Best Sellers Rank | #275 in Distribution Connecting Blocks |
| Brand | Bay Marine Supply |
| Color | Black |
| Connector Type | Screw |
| Current Rating | 250 Amps |
| Customer Reviews | 4.8 4.8 out of 5 stars (321) |
| Date First Available | February 6, 2020 |
| Item Weight | 7.8 ounces |
| Item model number | 21e5bab0-bbe8-49c7-9fab-cf5b94080e76 |
| Manufacturer | Bay Marine Supply |
| Material | Brass, Stainless Steel |
| Mounting Type | Screw Mount |
| Number Of Contacts | 4 |
| Number Of Poles | 4 |
| Product Dimensions | 1.94"W x 1.39"H |
| Voltage | 48 Volts |

## Product Details

- **Brand:** Bay Marine Supply
- **Color:** Black
- **Connector Type:** Screw
- **Current Rating:** 250 Amps
- **Material:** Brass, Stainless Steel
- **Mounting Type:** Screw Mount
- **Number Of Contacts:** 4
- **Number Of Poles:** 4
- **Product Dimensions:** 1.94"W x 1.39"H
- **Voltage:** 48 Volts

## Images

![Busbar - Made in USA – 4-Post 250 Amp Stainless Steel Distribution Block - 5/16" Black- Complimentary Conductive Grease - Image 1](https://m.media-amazon.com/images/I/81WwT5fk9LL.jpg)
![Busbar - Made in USA – 4-Post 250 Amp Stainless Steel Distribution Block - 5/16" Black- Complimentary Conductive Grease - Image 2](https://m.media-amazon.com/images/I/81ztSQ-kJrL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ works grate
*by T***E on February 22, 2025*

works grate on adding extra hot wires

### ⭐⭐⭐⭐⭐ Good part
*by K***H on August 20, 2024*

I like this part but I wish it had 1-2 smaller studs, it has all 3/8" studs in it, that size is a little harder to find for smaller wires.

### ⭐⭐⭐⭐⭐ Holding Up Well
*by D***B on July 17, 2018*

I was looking at installing some accessory lights on my vehicle and I realized I needed some type of intervention. I already had four or five accessories attached to the positive terminal of my battery and it was a mess. This distribution block provides a nice neat point of attachment for all that power and really cleaned up my situation. So far it's held up very well and everything seems to hold in place securely. Didn't experience any problem with the studs stripping out of their plastic base fixture. My only concern is how well the nylon cover nuts will hold in place when subjected to constant vibration such as a washboard road. Pleased with the purchase so far.

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**Shop now:** [https://www.desertcart.sc/products/440561850-busbar-made-in-usa-4-post-250-amp-stainless-steel](https://www.desertcart.sc/products/440561850-busbar-made-in-usa-4-post-250-amp-stainless-steel)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-12*