---
product_id: 51294341
title: "12V 40A 5-Pin Automotive Car Changeover Relay With Mounting Bracket Wiring Harness DIY Auto (Relay Harness (Qty x 1))"
brand: "meishuo"
price: "A$14"
currency: AUD
in_stock: true
reviews_count: 3
url: https://www.desertcart.com.au/products/51294341-12v-40a-5-pin-automotive-car-changeover-relay-with-mounting
store_origin: AU
region: Australia
---

# 40A Switching Power 5-Pin Changeover Design IP67 Sealed Protection 12V 40A 5-Pin Automotive Car Changeover Relay With Mounting Bracket Wiring Harness DIY Auto (Relay Harness (Qty x 1))

**Brand:** meishuo
**Price:** A$14
**Availability:** ✅ In Stock

## Summary

> 🔧 Power Up Your Ride with Confidence!

## Quick Answers

- **What is this?** 12V 40A 5-Pin Automotive Car Changeover Relay With Mounting Bracket Wiring Harness DIY Auto (Relay Harness (Qty x 1)) by meishuo
- **How much does it cost?** A$14 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/51294341-12v-40a-5-pin-automotive-car-changeover-relay-with-mounting)

## Best For

- meishuo enthusiasts

## Why This Product

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

## Key Features

- • **Easy Installation:** Comes with a mounting bracket and wiring harness for a hassle-free DIY setup.
- • **Weatherproof Wonder:** IP67 rated for ultimate protection against dust and water—perfect for any environment.
- • **Powerful Performance:** Experience reliable 40A switching capability for all your automotive needs.
- • **UK Stock Availability:** Fast shipping from UK-based stock ensures you get your relay when you need it.
- • **Versatile Compatibility:** NO/NC contacts make it adaptable for various automotive applications.

## Overview

The 12V 40A 5-Pin Automotive Car Changeover Relay is a robust and versatile solution for automotive applications. With a powerful 40A switching capability and IP67 sealed construction, this relay is designed to withstand the elements while providing reliable performance. It includes a convenient mounting bracket and wiring harness for easy installation, making it an ideal choice for DIY enthusiasts. Available from UK stock, this relay ensures quick delivery and dependable service.

## Description

12V 40A 5-Pin Automotive Car Changeover Relay With Mounting Bracket Wiring Harness DIY Auto (Relay Harness (Qty x 1))

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Meishuo |
| Part number | 309012 |
| Item Weight | 25 g |
| Package Dimensions | 13 x 10 x 2.4 cm; 25 g |
| Manufacturer reference | 309012 |
| Wattage | 1.6 watts |
| Item Package Quantity | 1 |
| Plug profile | Changeover |
| Specification met | IP67 |

## Product Details

- **Connector type:** Quick Connect
- **Contact material:** Copper
- **Contact type:** Normally Closed
- **Current rating:** 40 Amps
- **Mounting type:** Changeover

## Images

![12V 40A 5-Pin Automotive Car Changeover Relay With Mounting Bracket Wiring Harness DIY Auto (Relay Harness (Qty x 1)) - Image 1](https://m.media-amazon.com/images/I/31IyKeK80bL.jpg)
![12V 40A 5-Pin Automotive Car Changeover Relay With Mounting Bracket Wiring Harness DIY Auto (Relay Harness (Qty x 1)) - Image 2](https://m.media-amazon.com/images/I/31YExJ+wAPL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Don't waste your money
*by  ***A on 29 January 2025*

I just edited my review. Don't waste your money. This product was functional no more like one month just melted.

### ⭐⭐⭐⭐⭐ good delivery time product as described
*by A***R on 13 July 2019*

easy to use when rewiring a motorcycle

### ⭐⭐⭐⭐⭐ Five Stars
*by A***W on 19 October 2015*

Good product and fits well. Also arrived ahead of schedule!

## Frequently Bought Together

- 12V 40A 5-Pin Automotive Car Changeover Relay With Mounting Bracket Wiring Harness DIY Auto (Relay Harness (Qty x 1))
- Bosch 0332019150 Mini Relay 12V 30A, 2x87, IP5K4, Operating Temperature from -40 Degree to 100 Degree C, 5 Pin Relay with Relay bracket

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.au/products/51294341-12v-40a-5-pin-automotive-car-changeover-relay-with-mounting](https://www.desertcart.com.au/products/51294341-12v-40a-5-pin-automotive-car-changeover-relay-with-mounting)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-13*