---
product_id: 325120944
title: "10 Pack 30/40 AMP Waterproof 5-Pin 12V Relay Switch （SPDT） for 12 Volt Automotive Marine Relays for Boats Auto Fan Cars"
brand: "oumebiu"
price: "€ 11.68"
currency: EUR
in_stock: false
reviews_count: 8
url: https://www.desertcart.nl/products/325120944-10-pack-30-40-amp-waterproof-5-pin-12v-relay
store_origin: NL
region: Netherlands
---

# 40A Switching Waterproof 5-Pin Design 10 Pack 30/40 AMP Waterproof 5-Pin 12V Relay Switch （SPDT） for 12 Volt Automotive Marine Relays for Boats Auto Fan Cars

**Brand:** oumebiu
**Price:** € 11.68
**Availability:** ❌ Out of Stock

## Summary

> 🔧 Power Up Your Projects with Confidence!

## Quick Answers

- **What is this?** 10 Pack 30/40 AMP Waterproof 5-Pin 12V Relay Switch （SPDT） for 12 Volt Automotive Marine Relays for Boats Auto Fan Cars by oumebiu
- **How much does it cost?** € 11.68 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/325120944-10-pack-30-40-amp-waterproof-5-pin-12v-relay)

## Best For

- oumebiu enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Value Pack:** 10-pack ensures you’re always prepared for any project or repair.
- • **Dual Functionality:** SPDT design offers both normally open and normally closed terminals for flexible use.
- • **Unmatched Durability:** Engineered to withstand the elements, ensuring reliability in any weather.
- • **Versatile Compatibility:** Operates seamlessly between 9V and 14V, ideal for a variety of circuits.
- • **High Switching Capability:** Handles up to 40A, perfect for demanding automotive and marine applications.

## Overview

This 10-pack of 12V waterproof 5-Pin SPDT relay switches is designed for automotive and marine applications, featuring high switching capabilities of 30A and 40A. With excellent waterproof and dustproof properties, these relays ensure reliable performance in any weather condition, making them a must-have for any DIY enthusiast or professional mechanic.

## Description

Full description not available

## Features

- 12V waterproof 5-Pin SPDT Relay Excellent waterproof and dustproof ability, high quality in any weather conditions
- 12V 5-Pin SPDT Relay Pin Specifications: Ground (85), VDC (30), Trigger (86), Output N/C (87a), and Output N/O (87)
- SPDT Relay with 40A/30A High Switching Capability,it has both normally open and normally closed terminals, terminal 87A is powered when the relay is inactive and switches the power to terminal 87 when the relay is activated
- 12v relays can operate with anywhere between 9v and 14v,Very suitable for 12V automotive, marine, and machine circuits
- These 12V 5-pin relays are rated to handle 30A on normally closed pin 87a and 40A on normally open pin 87

## Product Details

- **Connector Type:** Quick Connect
- **Contact Material:** Nickel
- **Contact Type:** Normally Open
- **Current Rating:** 40 Amps
- **Mounting Type:** Plug-in installation

## Images

![10 Pack 30/40 AMP Waterproof 5-Pin 12V Relay Switch （SPDT） for 12 Volt Automotive Marine Relays for Boats Auto Fan Cars - Image 1](https://m.media-amazon.com/images/I/715RMStE6+S.jpg)
![10 Pack 30/40 AMP Waterproof 5-Pin 12V Relay Switch （SPDT） for 12 Volt Automotive Marine Relays for Boats Auto Fan Cars - Image 2](https://m.media-amazon.com/images/I/71SASCFP38S.jpg)
![10 Pack 30/40 AMP Waterproof 5-Pin 12V Relay Switch （SPDT） for 12 Volt Automotive Marine Relays for Boats Auto Fan Cars - Image 3](https://m.media-amazon.com/images/I/81aMgeUCeTS.jpg)
![10 Pack 30/40 AMP Waterproof 5-Pin 12V Relay Switch （SPDT） for 12 Volt Automotive Marine Relays for Boats Auto Fan Cars - Image 4](https://m.media-amazon.com/images/I/51abU0QLuwS.jpg)
![10 Pack 30/40 AMP Waterproof 5-Pin 12V Relay Switch （SPDT） for 12 Volt Automotive Marine Relays for Boats Auto Fan Cars - Image 5](https://m.media-amazon.com/images/I/61fvH8N4W7S.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ effect
*by K***N on June 7, 2025*

It works in my turck.

### ⭐⭐⭐⭐⭐ Good product , Good price
*by S***W on April 7, 2025*

This order will last over 10 years

### ⭐⭐⭐⭐⭐ LIGHT UP YOUR NIGHT DRIVING
*by C***W on January 25, 2025*

Perfect bulk pack for installing driving light wiring or off road lights! Perfect, durable, and a great value!

## Frequently Bought Together

- 10 Pack 30/40 AMP Waterproof 5-Pin 12V Relay Switch （SPDT） for 12 Volt Automotive Marine Relays for Boats Auto Fan Cars
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- irhapsody 12v 30A 5-pin Spdt Multi-Purpose Starter Relay

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**Shop now:** [https://www.desertcart.nl/products/325120944-10-pack-30-40-amp-waterproof-5-pin-12v-relay](https://www.desertcart.nl/products/325120944-10-pack-30-40-amp-waterproof-5-pin-12v-relay)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-03-01*