--- product_id: 536656994 title: "4pcs DC 5V Relay Module - 1 Channel Relay Switch Board with Optocoupler Isolation, High or Low Level Trigger" brand: "aediko" price: "HK$312" currency: HKD in_stock: false reviews_count: 5 category: "Aediko" url: https://www.desertcart.hk/products/536656994-4pcs-dc-5v-relay-module-1-channel-relay-switch-board store_origin: HK region: Hong Kong --- # 10A max current load High/Low level trigger jumper Optocoupler isolation for protection 4pcs DC 5V Relay Module - 1 Channel Relay Switch Board with Optocoupler Isolation, High or Low Level Trigger **Brand:** aediko **Price:** HK$312 **Availability:** ❌ Out of Stock ## Summary > 🔌 Command your circuits with confidence and style! ## Quick Answers - **What is this?** 4pcs DC 5V Relay Module - 1 Channel Relay Switch Board with Optocoupler Isolation, High or Low Level Trigger by aediko - **How much does it cost?** HK$312 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/536656994-4pcs-dc-5v-relay-module-1-channel-relay-switch-board) ## Best For - aediko enthusiasts ## Why This Product - Trusted aediko brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Wiring:** Screw terminals with NO, NC, and COM outputs for seamless integration. - • **Flexible Triggering:** Easily switch between high or low level triggers with a simple jumper setting. - • **Bulletproof Isolation:** Optocoupler design safeguards your microcontroller from voltage spikes. - • **Powerhouse Performance:** Handles up to 10A at 250V AC or 30V DC for heavy-duty switching. - • **Universal Compatibility:** Perfect for ARM, PIC, AVR, Raspberry Pi, CNC, and more—future-proof your projects. ## Overview The AEDIKO 4pcs DC 5V Relay Module features optocoupler isolation and supports up to 10A switching at 250V AC or 30V DC. Designed with fault-tolerant circuitry and flexible high/low level triggering, it offers reliable, safe control for a wide range of microcontroller and embedded system applications. ## Description Specification:Material: Circuit boardControl signal: TTL Rated load: AC125~250V/10A, DC28~30V/10A Max. switch voltage: 250VAC, 30VTrigger Voltage: 0-1.5V (LOW); 3-5V (High)Trigger Current: 5mAMax. Current: 190mAInput Connection:DC +: Positive power supply (VCC)DC-: Connect power negative ( GND)IN: Control the pick up of replay by low level or high levelOutput Connection:Left Connection: “NO” means “Normally Open”Middle Connection: “COM” means “Common”Right Connection: “NC” means “Normally Closed”High and Low Level Trigger Effective High level trigger when the jumper cable connecting “High” to Short Circuit;Low level trigger when the jumper cable connecting “Low” to Short Circuit;LED Indicator Light:Power Indicator: GreenIndicator of Relay Status: RedPackage Contents:4 x One Channel 5V Relay Module with Optocoupler Module Review: Seems to work with 3v (mostly) Review: Works great for my project. ## Features - 5V Relay Module: Working Voltage: DC 5V; Maximum Load: AC 250V/10A, DC 30V/10A; Trigger Current of Opto-Isolator: 5mA - Fault-Tolerant Design: Fault Tolerant Design, Even if the Control Line is Broken, the Relay will not Operate;All Interfaces of Relay can be Wired Out Through the Terminals Directly,Normally Open and Normally Closed - Optocoupler Isolation:1 Channel Relay Board use Optocoupler Isolation that has Strong Driving Ability and Stable Performance ,The Isolation Circuit Prevent Damages to I / O Port by Relay Switch Current - Jumper Design: The Relay Module has a Jumper That You Can Set Rather the Unit State Changes with High or Low Signal. Has Screw Terminals for Relay (NC,C,NO) and for Input; Coil +, Coil - and Trigger. - Wide Application: DC 5V Relay Module Works Well with ARM /PIC /AVR /MCU/Raspberry/CNC Machine/ PS4 etc. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B095YD3732 | | Brand | AEDIKO | | Brand Name | AEDIKO | | Coil Voltage | 5 Volts (DC) | | Connector Type | Through Hole | | Contact Current Rating | 10 Amps | | Contact Material | Gold | | Contact Type | Normally Open | | Current Rating | 10 Amps | | Customer Reviews | 4.5 out of 5 stars 174 Reviews | | Manufacturer | AEDIKO | | Maximum Switching Current | 10 Amps | | Maximum Switching Voltage | 250 Volts | | Minimum Switching Voltage | 125 Volts (AC) | | Mounting Type | Screw Mount | | Operation Mode | Automatic | | Specification Met | Ma | | UPC | 701715480582 | ## Product Details - **Connector Type:** Through Hole - **Contact Material:** Gold - **Contact Type:** Normally Open - **Current Rating:** 10 Amps - **Mounting Type:** Screw Mount ## Images ![4pcs DC 5V Relay Module - 1 Channel Relay Switch Board with Optocoupler Isolation, High or Low Level Trigger - Image 1](https://m.media-amazon.com/images/I/71K7q+G06aL.jpg) ![4pcs DC 5V Relay Module - 1 Channel Relay Switch Board with Optocoupler Isolation, High or Low Level Trigger - Image 2](https://m.media-amazon.com/images/I/71XwlT8dyHL.jpg) ![4pcs DC 5V Relay Module - 1 Channel Relay Switch Board with Optocoupler Isolation, High or Low Level Trigger - Image 3](https://m.media-amazon.com/images/I/71dfUGPTyXL.jpg) ![4pcs DC 5V Relay Module - 1 Channel Relay Switch Board with Optocoupler Isolation, High or Low Level Trigger - Image 4](https://m.media-amazon.com/images/I/71-hlQsXmCL.jpg) ![4pcs DC 5V Relay Module - 1 Channel Relay Switch Board with Optocoupler Isolation, High or Low Level Trigger - Image 5](https://m.media-amazon.com/images/I/71hd5Q+jpoL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Seems to work with 3v (mostly) *by C***R on 1 May 2025* ### ⭐⭐⭐⭐⭐ Works great for my project. *by D***M on 31 January 2026* ### ⭐⭐⭐ Tolerance varies, take note. *by T***D on 13 June 2024* ## Frequently Bought Together - AEDIKO 4pcs DC 5V Relay Module - 1 Channel Relay Switch Board with Optocoupler Isolation, High or Low Level Trigger - ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects - BOJACK 3 Values 130 Pcs Solderless Breadboard 4 Pcs 830 Tie Points & 400 Tie Points & 126 Pcs Flexible Breadboard Jumper Wires --- ## 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.hk/products/536656994-4pcs-dc-5v-relay-module-1-channel-relay-switch-board](https://www.desertcart.hk/products/536656994-4pcs-dc-5v-relay-module-1-channel-relay-switch-board) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-05-16*