---
product_id: 147916634
title: "10 Pack 12V 30/40 Amp 5-Pin SPDT Electrical Relays Switch for Automotive Truck Boat Marine"
brand: "glarks"
price: "S$41"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/147916634-10-pack-12v-30-40-amp-5-pin-spdt-electrical
store_origin: SG
region: Singapore
---

# 40A/30A high switching capacity 12V DC power compatibility 5-pin SPDT Bosch-style design 10 Pack 12V 30/40 Amp 5-Pin SPDT Electrical Relays Switch for Automotive Truck Boat Marine

**Brand:** glarks
**Price:** S$41
**Availability:** ✅ In Stock

## Summary

> ⚡ Switch Smarter, Drive Confidently!

## Quick Answers

- **What is this?** 10 Pack 12V 30/40 Amp 5-Pin SPDT Electrical Relays Switch for Automotive Truck Boat Marine by glarks
- **How much does it cost?** S$41 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/147916634-10-pack-12v-30-40-amp-5-pin-spdt-electrical)

## Best For

- glarks enthusiasts

## Why This Product

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

## Key Features

- • **Ready for Any Ride:** Perfect for cars, trucks, boats, and custom sound or security setups
- • **Organized & Accessible:** Comes in a neat 10-pack with a durable plastic storage box
- • **Effortless Installation:** Includes mounting tabs for quick, secure panel mounting
- • **Plug & Play Versatility:** Universal 5-pin SPDT relay fits all 12V DC systems seamlessly
- • **Power Up with Precision:** Handles up to 40 amps for heavy-duty automotive and marine applications

## Overview

The Glarks 10 Pack 12V 30/40 Amp 5-Pin SPDT Electrical Relays are robust, Bosch-style switches designed for high-current automotive, marine, and truck applications. Each relay supports up to 40 amps, fits universally in 12V DC systems, and comes with mounting tabs for easy installation. Packaged in a convenient plastic box, this set is ideal for professionals upgrading or maintaining vehicle electrical systems with reliable, high-performance components.

## Description

Glarks 10 Pack 12V 30/40 Amp 5-Pin SPDT Electrical Relays Switch for Automotive Truck Boat Marine

## Features

- ★ Package: Including 10 pack 5-Pin SPDT(Single Pole Double Throw) Electrical Relays Switch packed in a plastic box.
- ★ 40A/30A High Switching Capability.
- ★ Pin Specifications: Ground (85), VDC (30), Trigger (86), Output N/C (87a), and Output N/O (87).
- ★ These Relays are Interchangeable/Compatible with: All automobiles and devices equipped with a 12 Volt DC power source.
- ★ Application: These relays have a universal application and can be used in automotive setups, car sound systems, security systems, and various other applications.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Glarks |
| Part number | GLLAJDQ-5 |
| Item Weight | 420 g |
| Package Dimensions | 19.1 x 7.7 x 3.9 cm; 420 g |
| Item model number | GLLAJDQ-5 |
| Wattage | 480 watts |
| Item Package Quantity | 10 |
| Measurement System | Imperial |
| Plug profile | Panel Mount |
| Specification met | IEC/EN 60947 |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Connector type:** Screw
- **Contact material:** Silver
- **Contact type:** Normally Open
- **Current rating:** 4E+1 Amps
- **Mounting type:** Panel Mount

## Images

![10 Pack 12V 30/40 Amp 5-Pin SPDT Electrical Relays Switch for Automotive Truck Boat Marine - Image 1](https://m.media-amazon.com/images/I/61Y-d1uVrzL.jpg)

## Questions & Answers

**Q: Are the contacts able to switch 240 VAC?**
A: It's not designed for that, and 240V could require switching 2 - 120V lines, which would require using two of them, switched by one 12v control circuit.  It might work, but I wouldn't do it - - -

**Q: Will these fit my 2000 jaguar s-type 3.0 v6 ?**
A: They are standard relays for aftermarket wiring of electronics if you are trying to replace a factory relay check the pin location under the relay if they are the same then they should fit

**Q: Are they used in 12volt dc lights for off road vehio**
A: they are used in 12 volt vehicles

**Q: Will these fit a 2001 town & country**
A: not sure .I had to bend the metal tab to close the fuse door

## Frequently Bought Together

- Glarks 10 Pack 12V 30/40 Amp 5-Pin SPDT Electrical Relays Switch for Automotive Truck Boat Marine
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- GTIWUNG 10pc Car Inline Fuse Holders - 32V Waterproof, 16AWG, Medium Size DC Fuse Box

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**Shop now:** [https://www.desertcart.sg/products/147916634-10-pack-12v-30-40-amp-5-pin-spdt-electrical](https://www.desertcart.sg/products/147916634-10-pack-12v-30-40-amp-5-pin-spdt-electrical)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-16*