--- product_id: 806856510 title: "3-Channel DC 5V General Purpose Relay Module with Optocoupler Isolation, 7A AC/DC Load Control, Compact 63x42x18mm for Arduino-Compatible Microcontroller Projects(5V)" brand: "ranrao" price: "Bs.277" currency: BOB in_stock: true category: "Ranrao" url: https://www.desertcart.bo/products/806856510-3-channel-dc-5v-general-purpose-relay-module-with-optocoupler store_origin: BO region: Bolivia --- # 7A max current per channel Compact 63x42x18mm footprint Optocoupler isolation for safety 3-Channel DC 5V General Purpose Relay Module with Optocoupler Isolation, 7A AC/DC Load Control, Compact 63x42x18mm for Arduino-Compatible Microcontroller Projects(5V) **Brand:** ranrao **Price:** Bs.277 **Availability:** βœ… In Stock ## Summary > πŸ”Œ Power your projects with precision and protection β€” don’t get left in the dark! ## Quick Answers - **What is this?** 3-Channel DC 5V General Purpose Relay Module with Optocoupler Isolation, 7A AC/DC Load Control, Compact 63x42x18mm for Arduino-Compatible Microcontroller Projects(5V) by ranrao - **How much does it cost?** Bs.277 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/806856510-3-channel-dc-5v-general-purpose-relay-module-with-optocoupler) ## Best For - ranrao enthusiasts ## Why This Product - Trusted ranrao brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Space-Saving Design:** Slim 63x42x18mm module fits effortlessly into tight enclosures and sleek DIY setups. - β€’ **Low Power Triggering:** Consumes just 5mA to activate, perfect for energy-conscious and battery-powered projects. - β€’ **Optocoupler Isolation:** Protects sensitive microcontrollers by electrically isolating control and load circuits. - β€’ **Robust 7A Load Control:** Handles AC up to 250V and DC up to 30V, powering motors, lights, and more with confidence. - β€’ **Universal 3.3V & 5V Compatibility:** Seamlessly integrates with Arduino & Raspberry Pi projects for ultimate flexibility. ## Overview This 3-channel relay module offers six independent relay controls across two boards, compatible with both 3.3V and 5V microcontrollers. Featuring optocoupler isolation for enhanced safety, it supports switching AC loads up to 250V and DC loads up to 30V at 7A per channel. Its compact 63x42x18mm size and low 5mA trigger current make it ideal for efficient, space-conscious automation in Arduino, Raspberry Pi, robotics, and home automation projects. ## Description Features:*Versatile Compatibility: This relay module is compatible with both 3.3V and 5V control signals, making it for IDEAL for a wide range of applications, particularly with for ARDUINO boards,flexibility in your projects. *Optocoupler Isolation: The module features optocoupler insulation which provides enhanced safety by high voltages from affecting the controlling circuit, thus protecting your components from damage. *Compact Size: Measuring just 63mm x 42mm x 18mm, this relay expansion board is designed to fit easily into tight spaces, allowing for neat and efficient wiring in your electronic setups. *High Current Handling: Capable of controlling AC loads up to 250V and DC loads up to 30V with a maximum current rating of 7A, this relay module is suitable for driving various electrical appliances and devices. *Low Trigger Current: With a trigger current of only 5mA required for operation, this relay module is energy-efficient and can be activated using low-power microcontrollers, making it perfect for battery-powered projects. Specifications:* Part Name: Relay Module* Material: Plastic* Size: 63*42*18mm* Color: BluePower Supply Voltage: 5V, 12VTrigger Level: 5V Version: 3V-7V TriggerTrigger Current: Approximately 5mA (For 3.3V microcontroller control, IO push-pull output function is required)Control Voltage: AC 0-250V or DC 0-30VControl Current: 0-7APackage Content:2*Relay Module ## Features - [PACKAGE CONTENTS] Package contains two 3-channel relay modules, offering six independent relay channels to expand switches and automate multiple circuits in , Pi, robotics and home automation projects. - [3-CHANNEL 3V/5V COMPATIBILITY] Each relay board accepts both 3.3V and 5V control signals so it pairs with and common microcontrollers; for 3.3V systems a push-pull IO output is required for reliable triggering. - [OPTOCOUPLER ISOLATION] Built-in optocouplers separate the low-voltage control side from the relay side to reduce interference and help sensitive electronics when switching higher voltages. - [POWER & LOAD CAPACITY] Boards operate from a 5V supply (12V option supported) and switch AC loads up to 250V or DC loads up to 30V with a per-channel current rating up to 7A, suitable for lighting, motors and control circuits within these limits. - [COMPACT SIZE & LOW TRIGGER CURRENT] Slim 63 x 42 x 18 mm footprint fits tight enclosures and routing; low trigger current around 5 mA makes these modules compatible with low-power microcontrollers while minimizing control-side power draw. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0GPPBNZYK | | Batteries Required? | No | | Batteries included? | No | | Colour | as picture show | | Date First Available | 23 Feb. 2026 | | Item Weight | 70 g | | Item model number | V93NAOL74Y8HD9ZST2C30A9 | | Manufacturer | RANRAO | | Material | Plastic | | Part number | V93NAOL74Y8HD9ZST2C30A9 | | Product Dimensions | 7 x 5 x 5 cm; 70 g | | Size | 5V | ## Images ![3-Channel DC 5V General Purpose Relay Module with Optocoupler Isolation, 7A AC/DC Load Control, Compact 63x42x18mm for Arduino-Compatible Microcontroller Projects(5V) - Image 1](https://m.media-amazon.com/images/I/51gp0AAfUvL.jpg) ## Available Options This product comes in different **Size** options. --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.bo/products/806856510-3-channel-dc-5v-general-purpose-relay-module-with-optocoupler](https://www.desertcart.bo/products/806856510-3-channel-dc-5v-general-purpose-relay-module-with-optocoupler) --- *Product available on Desertcart Bolivia* *Store origin: BO* *Last updated: 2026-05-26*