---
product_id: 48174828
title: "Contact Cleaner Spray - Precision Electronic Cleaning Solution for Switches, Relays & Connectors"
brand: "wd-40 specialist"
price: "S$25"
currency: SGD
in_stock: true
reviews_count: 8
category: "Wd 40 Specialist"
url: https://www.desertcart.sg/products/48174828-contact-cleaner-spray-precision-electronic-cleaning-solution-for-switches-relays
store_origin: SG
region: Singapore
---

# 95% contaminant removal Non-corrosive & residue-free 400ml precision aerosol Contact Cleaner Spray - Precision Electronic Cleaning Solution for Switches, Relays & Connectors

**Brand:** wd-40 specialist
**Price:** S$25
**Availability:** ✅ In Stock

## Summary

> ⚡ Clean smarter, connect stronger — never miss a beat!

## Quick Answers

- **What is this?** Contact Cleaner Spray - Precision Electronic Cleaning Solution for Switches, Relays & Connectors by wd-40 specialist
- **How much does it cost?** S$25 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/48174828-contact-cleaner-spray-precision-electronic-cleaning-solution-for-switches-relays)

## Best For

- wd-40 specialist enthusiasts

## Why This Product

- Trusted wd-40 specialist brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Smart Straw Spray:** Targeted application with zero waste for delicate switches & connectors
- • **Versatile Use Case:** Trusted solution for automotive, household & industrial electronics maintenance
- • **Precision Cleaning Power:** Removes 95%+ dirt, oil & oxidation for flawless electronic contacts
- • **Fast-Drying & Residue-Free:** Evaporates quickly leaving no residue to ensure peak performance
- • **Safe on Sensitive Electronics:** Non-corrosive, non-conductive formula protects plastics, metals & rubbers

## Overview

WD-40 Specialist Contact Cleaner Spray is a 400ml fast-drying aerosol designed to safely and effectively remove dirt, grease, oil, and oxidation from sensitive electronic components like switches, relays, and connectors. Its non-corrosive, residue-free formula ensures optimal contact performance across automotive, household, and industrial applications, backed by over 8,000 positive reviews and trusted precision delivery via the Smart Straw.

## Description

Effectively removes dirt, oil, grease, and oxidation from electrical components without residue. Safe, non-corrosive formula for automotive, household, and industrial use.

Review: Good quality conract cleaner - Totally impressed by this product as.it it really good at cleaning delicate connections and contacts such as potentiometers (knobs), switches and phono/headphone sockets with ease and without damage. It is quick use simply spray a very small quantity on the contact area to clean - moving the switch will also help. Wait a few seconds and the dirt and residue will be lifted away as the product evaporates completely. I have purchased before because it is such a good product, economical in use and doesn't damage the electrical components.
Review: Excellent Cleaner for Electronics & Electrical Connections - I recently used this contact cleaner on my switches, relays and small circuit boards, and it worked brilliantly. It sprays easily with precision thanks to the Smart Straw, cleans away oil, dirt and condensation very quickly and, importantly, leaves no residue. According to the manufacturer it removes over 95% of common surface contaminants and is safe on plastic, rubber and metal. It’s become a go-to product in my toolkit when servicing electronics and electrical panels — I can rely on it to deliver a clean, dry finish which helps improve contact performance. Highly recommended if you want a quality solution for maintaining switches and connectors.

## Features

- Causes serious eye irritation.
- Causes skin irritation.
- Extremely flammable aerosol.
- May be fatal if swallowed and enters airways.
- May cause drowsiness or dizziness.
- Pressurised container: May burst if heated.
- Toxic to aquatic life with long lasting effects.
- Fast and effective contact cleaner for all electrical components and contacts
- Removes dirt, oil, grease, flux residue, and oxidation from components
- Non-corrosive and non-conductive formula is safe to use on sensitive electronics
- Low odour and no residue left behind
- Ideal for automotive, household, and industrial applications

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B006UCJ5WQ |
| Brand | WD-40 Specialist |
| Brand Name | WD-40 Specialist |
| Contains Liquid Contents? | Yes |
| Country of Origin | United Kingdom |
| Customer Reviews | 4.7 out of 5 stars 8,363 Reviews |
| Included Components | 1 x WD40 Specialist Contact Cleaner Aerosol 400Ml |
| Item Form | Aerosol |
| Item Type Name | Specialist Fast Drying Contact Cleaner with Smart Straw 400 ml |
| Item Volume | 400 Millilitres |
| Item Weight | 347 Milligrams |
| Item form | Aerosol |
| Item height | 3 centimetres |
| Item volume | 400 Millilitres |
| Manufacturer | WD-40 Company |
| Material Features | Unscented |
| Material feature | Unscented |
| Number of Items | 1 |
| Scent | Pine |
| Special Features | Residue Free |
| Specific Uses For Product | Car |
| Specific uses for product | Car |
| UPC | 616268300228 |
| Unit Count | 400.0 millilitre(s) |

## Product Details

- **Brand:** WD-40 Specialist
- **Item form:** Aerosol
- **Item volume:** 400 Millilitres
- **Item weight:** 347 Milligrams
- **Material feature:** Unscented
- **Number of items:** 1
- **Scent:** Pine
- **Special feature:** Residue Free
- **Specific uses for product:** Car
- **Unit count:** 400.0 millilitre(s)

## Images

![Contact Cleaner Spray - Precision Electronic Cleaning Solution for Switches, Relays & Connectors - Image 1](https://m.media-amazon.com/images/I/610VljM2BmL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality conract cleaner
*by C***N on 21 August 2025*

Totally impressed by this product as.it it really good at cleaning delicate connections and contacts such as potentiometers (knobs), switches and phono/headphone sockets with ease and without damage. It is quick use simply spray a very small quantity on the contact area to clean - moving the switch will also help. Wait a few seconds and the dirt and residue will be lifted away as the product evaporates completely. I have purchased before because it is such a good product, economical in use and doesn't damage the electrical components.

### ⭐⭐⭐⭐⭐ Excellent Cleaner for Electronics & Electrical Connections
*by D***D on 25 October 2025*

I recently used this contact cleaner on my switches, relays and small circuit boards, and it worked brilliantly. It sprays easily with precision thanks to the Smart Straw, cleans away oil, dirt and condensation very quickly and, importantly, leaves no residue. According to the manufacturer it removes over 95% of common surface contaminants and is safe on plastic, rubber and metal. It’s become a go-to product in my toolkit when servicing electronics and electrical panels — I can rely on it to deliver a clean, dry finish which helps improve contact performance. Highly recommended if you want a quality solution for maintaining switches and connectors.

### ⭐⭐⭐⭐⭐ Great for gaming controllers
*by A***H on 9 January 2026*

Great product helped fixed my gaming controllers highly recommend

## Frequently Bought Together

- WD-40 Specialist Contact Cleaner Spray - Precision Electronic Cleaning Solution for Switches, Relays & Connectors
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- WD-40 Specialist Silicone Spray Lubricant 400ml Can - Versatile All-Weather Protection for Extended Tool Life, Repels Moisture, Dust, and Grime - Smart Straw Applicator Included

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**Shop now:** [https://www.desertcart.sg/products/48174828-contact-cleaner-spray-precision-electronic-cleaning-solution-for-switches-relays](https://www.desertcart.sg/products/48174828-contact-cleaner-spray-precision-electronic-cleaning-solution-for-switches-relays)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-31*