--- product_id: 179384244 title: "DC 5V Relay Module 1-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger, Pack of 10" brand: "valefod" price: "€ 32.03" currency: EUR in_stock: true reviews_count: 13 category: "Valefod" url: https://www.desertcart.at/products/179384244-dc-5v-relay-module-1-channel-relay-switch-with-optocoupler store_origin: AT region: Austria --- # 10A max switching current Supports AC 250V / DC 30V loads Optocoupler isolation for circuit protection DC 5V Relay Module 1-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger, Pack of 10 **Brand:** valefod **Price:** € 32.03 **Availability:** ✅ In Stock ## Summary > 🔗 Control with Confidence — Power, Protection, and Precision in One Relay! ## Quick Answers - **What is this?** DC 5V Relay Module 1-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger, Pack of 10 by valefod - **How much does it cost?** € 32.03 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/179384244-dc-5v-relay-module-1-channel-relay-switch-with-optocoupler) ## Best For - valefod enthusiasts ## Why This Product - Trusted valefod brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safe & Reliable:** Optocoupler isolation ensures your logic circuits stay protected from voltage spikes - • **Powerhouse Switching:** Handles up to 10A current for heavy-duty device control - • **Versatile Triggering:** Supports both high and low level triggers for flexible automation projects - • **Universal Compatibility:** Seamlessly integrates with 3.3V & 5V microcontrollers like Arduino & Raspberry Pi - • **Plug & Play Installation:** Screw terminal and mounting holes make setup effortless and secure ## Overview The Valefod DC 5V 1-Channel Relay Module pack of 10 offers robust 10A switching capacity at up to 250V AC or 30V DC, featuring optocoupler isolation for enhanced circuit safety. Designed for easy integration with popular microcontrollers via high/low level triggers, it’s perfect for professional-grade home automation and industrial control projects requiring reliable, fault-tolerant switching. ## Description Buy Valefod DC 5V Relay Module 1-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger, Pack of 10: Relays - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: nice relay boards for use with 3 and 5 volt input signals. - Have used these relays in several home automation applications. To date, they have all been reliable. Easy to interface with micro-controllers (arduino, radpberry pi and esp32). Boards quality is good. My experience has been limited to sub 24 Volt (AC or DC) contact voltages. Input can be 3.3 or 5 Volt. Relay is powered by 5 Volt. Review: Worked for me at 3.3v, opto-isolation can also help protect your logic-level circuits. - I used these for an ESP32 project to trigger my garage door to open. They are listed at 5v, but I have had no issues triggering them at ESP32's native 3.3v. I didn't read closely at the time of purchase, but they are optically isolated, which adds a level of safety I don't need in that project but opens some doors to other applications for the other 9. ## Features - 【Control Devices】The 1-channel relay module uses genuine high quality DC5V relay and SMD opto-isolator supporting high/low level trigger, widely apply to control various AC/DC appliances, and other devices with large current. - 【Load Range】NO(Normally open) maximum load < AC 250V/10A, < DC 30V/10A. Trigger current of opto-isolator: 5mA. - 【Fault-tolerant Design】The relay will not operate even if the control line is disconnected. - 【Universal Interface】Equipped with screwed terminal plate and fixed bolt holes(diameter: 3.1 mm) on both sides for easy installation. - 【High Compatibility】The relay module can be controlled directly by 5V logic signals from microcontroller(8051, AVR, PIC, DSP, ARM, Raspberry Pi, MSP430, TTL logic etc) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07WQH63FB | | Best Sellers Rank | #75,861 in Automotive ( See Top 100 in Automotive ) #16 in Automotive Replacement Relay Control Module Relays | | Brand | Valefod | | Brand Name | Valefod | | Coil Voltage | 5 volts | | Connector Type | Screw | | Contact Current Rating | 10 A | | Contact Material | Silver Alloy | | Contact Type | Normally Closed, Normally Open | | Current Rating | 10 A | | Customer Reviews | 4.7 out of 5 stars 320 Reviews | | Manufacturer | Valefod | | Maximum Switching Current | 10 A | | Maximum Switching Voltage | 250 volts | | Minimum Switching Voltage | 1.5 volts | | Model | VA-0166 | | Mounting Type | Screw Mount | | Operation Mode | Automatic | | Part Number | VA-0166 | | UPC | 793118392173 | ## Product Details - **Connector Type:** Screw - **Contact Material:** Silver Alloy - **Contact Type:** Normally Closed, Normally Open - **Current Rating:** 10 Amps - **Mounting Type:** Screw Mount ## Images ![DC 5V Relay Module 1-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger, Pack of 10 - Image 1](https://m.media-amazon.com/images/I/710KztcEgZL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ nice relay boards for use with 3 and 5 volt input signals. *by C***V on July 13, 2026* Have used these relays in several home automation applications. To date, they have all been reliable. Easy to interface with micro-controllers (arduino, radpberry pi and esp32). Boards quality is good. My experience has been limited to sub 24 Volt (AC or DC) contact voltages. Input can be 3.3 or 5 Volt. Relay is powered by 5 Volt. ### ⭐⭐⭐⭐⭐ Worked for me at 3.3v, opto-isolation can also help protect your logic-level circuits. *by M***G on May 15, 2026* I used these for an ESP32 project to trigger my garage door to open. They are listed at 5v, but I have had no issues triggering them at ESP32's native 3.3v. I didn't read closely at the time of purchase, but they are optically isolated, which adds a level of safety I don't need in that project but opens some doors to other applications for the other 9. ### ⭐⭐⭐⭐⭐ 3.3/5v capable, fast, smooth, and cool! *by A***6 on January 6, 2021* Fantastic set of 5v relays for the price. Warmth is very manageable. I’ve ran 110v through one for a dehumidifier that basically ran 20 hours a day for a month and was safe to hold my hand for as long as I wanted on it. Been moving more and more to esp devices. And with a recent home assistant setup I have gone nuts with esps. These 5v relays work fantastic and reliable at 3.3 volts as well! --- ## 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.at/products/179384244-dc-5v-relay-module-1-channel-relay-switch-with-optocoupler](https://www.desertcart.at/products/179384244-dc-5v-relay-module-1-channel-relay-switch-with-optocoupler) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-08-18*