--- product_id: 437149783 title: "10Pcs 1 Channel DC 3V/3.3V Relay Power Switch Module with Optocoupler Relay Module Isolated Drive Control Board for IOT ESP8266 Microcontrollers Development Board 3v Logic Level Boards" brand: "shutao" price: "₱2132" currency: PHP in_stock: true category: "Shutao" url: https://www.desertcart.ph/products/437149783-10pcs-1-channel-dc-3v-3-3v-relay-power-switch store_origin: PH region: Philippines --- # 10A high current rating Photocoupler isolation for interference-free control Sub-20ms fast response time 10Pcs 1 Channel DC 3V/3.3V Relay Power Switch Module with Optocoupler Relay Module Isolated Drive Control Board for IOT ESP8266 Microcontrollers Development Board 3v Logic Level Boards **Brand:** shutao **Price:** ₱2132 **Availability:** ✅ In Stock ## Summary > ⚡ Switch smarter, not harder — power your IoT with precision and speed! ## Quick Answers - **What is this?** 10Pcs 1 Channel DC 3V/3.3V Relay Power Switch Module with Optocoupler Relay Module Isolated Drive Control Board for IOT ESP8266 Microcontrollers Development Board 3v Logic Level Boards by shutao - **How much does it cost?** ₱2132 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/437149783-10pcs-1-channel-dc-3v-3-3v-relay-power-switch) ## Best For - shutao enthusiasts ## Why This Product - Trusted shutao brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Durable relay life rated for 100,000+ cycles means your projects stay rock solid. - • **Powerful 10A Switching:** Handles heavy loads up to 250VAC/30VDC with ease, perfect for demanding IoT projects. - • **Lightning-Fast Response:** Under 20 milliseconds switching speed keeps your automation seamless and snappy. - • **Flexible Dual Power Input:** Choose shared or separate power supplies for ultimate convenience and stability. - • **Interference-Proof Control:** Optocoupler isolation ensures your microcontroller signals stay clean and reliable. ## Overview This 10-pack of 1-channel 3V/3.3V relay modules features photocoupler isolation for high anti-interference control, supports dual power supply inputs, and delivers a robust 10A switching capacity. Designed for microcontrollers like ESP8266, it offers fast sub-20ms response times and a long relay lifespan exceeding 100,000 cycles, making it ideal for reliable IoT and embedded system applications. ## Description desertcart.com: 10Pcs 1 Channel DC 3V/3.3V Relay Power Switch Module with Optocoupler Relay Module Isolated Drive Control Board for IOT ESP8266 Microcontrollers Development Board 3v Logic Level Boards : Electronics ## Features - 3V 1 channel relay interface board support photocoupler isolation control,has the output signal indicator,the signal input port can connect SCM IO port, high level signal drive - Relay board provides a single relay that can be controlled by any 3V/3.3V digital input from your microcontroller IO, support dual power supply input ensure high anti-interference ability,high reliability of photoelectric isolation protection - 3V/3.3V power relay module supports photocoupler isolation control and dual power supply input ensure high anti-interference ability. with diode continuous flow protection,response time is less than 20 milliseconds,long life of relay can be absorbed 100,000 times continuously. - You can select whether the relay and the signal use the same power supply or not by removing the jumper caps on the pins. And It is better to share the same power supply, because that is more convenient for using. - Relay Module: SRD-DC03V-SL-C; Channel: 1 channel; Working Voltage: DC 3-3.3V; Compatible Load: 10A 250VAC / 10A 30VDC; Single Socket Length: 7.5mm ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09W9M83DL | | Best Sellers Rank | #3,898 in Single Board Computers (Computers & Accessories) | | Brand Name | Shutao | | Coil Resistance | 65 Milliohms | | Coil Voltage | 3 Volts | | Connector Type | Rotary Crimping Terminals | | Contact Current Rating | 10 Amps | | Contact Material | Silver Alloy | | Contact Type | Normally Closed | | Current Rating | 10 Amps | | Customer Reviews | 3.6 3.6 out of 5 stars (20) | | Manufacturer | Shutao | | Maximum Switching Current | 10 Amps | | Maximum Switching Voltage | 250 Volts | | Minimum Switching Voltage | 250 Volts | | Model | 13384-1 | | Mounting Type | Socket Mount | | Operation Mode | Automatic | | Part Number | 13384-1 | | UPC | 701715510838 | | Unit Count | 10.0 Count | | Wattage | 138 Milliwatts | ## Product Details - **Connector Type:** Rotary Crimping Terminals - **Contact Material:** Silver Alloy - **Contact Type:** Normally Closed - **Current Rating:** 10 Amps - **Mounting Type:** Socket Mount ## Images ![10Pcs 1 Channel DC 3V/3.3V Relay Power Switch Module with Optocoupler Relay Module Isolated Drive Control Board for IOT ESP8266 Microcontrollers Development Board 3v Logic Level Boards - Image 1](https://m.media-amazon.com/images/I/81lbJoqfuIL.jpg) ![10Pcs 1 Channel DC 3V/3.3V Relay Power Switch Module with Optocoupler Relay Module Isolated Drive Control Board for IOT ESP8266 Microcontrollers Development Board 3v Logic Level Boards - Image 2](https://m.media-amazon.com/images/I/61hsJw4HpeL.jpg) ![10Pcs 1 Channel DC 3V/3.3V Relay Power Switch Module with Optocoupler Relay Module Isolated Drive Control Board for IOT ESP8266 Microcontrollers Development Board 3v Logic Level Boards - Image 3](https://m.media-amazon.com/images/I/715NyeLXumL.jpg) ![10Pcs 1 Channel DC 3V/3.3V Relay Power Switch Module with Optocoupler Relay Module Isolated Drive Control Board for IOT ESP8266 Microcontrollers Development Board 3v Logic Level Boards - Image 4](https://m.media-amazon.com/images/I/711UdkQK5uL.jpg) ![10Pcs 1 Channel DC 3V/3.3V Relay Power Switch Module with Optocoupler Relay Module Isolated Drive Control Board for IOT ESP8266 Microcontrollers Development Board 3v Logic Level Boards - Image 5](https://m.media-amazon.com/images/I/71pjYrHejpL.jpg) ## Frequently Bought Together - 10Pcs 1 Channel DC 3V/3.3V Relay Power Switch Module with Optocoupler Relay Module Isolated Drive Control Board for IOT ESP8266 Microcontrollers Development Board 3v Logic Level Boards - KeeYees 10pcs 4 Channels IIC I2C Logic Level Converter Bi-Directional Module 3.3V to 5V Shifter for Arduino (Pack of 10) - 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 --- ## 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.ph/products/437149783-10pcs-1-channel-dc-3v-3-3v-relay-power-switch](https://www.desertcart.ph/products/437149783-10pcs-1-channel-dc-3v-3-3v-relay-power-switch) --- *Product available on Desertcart Philippines* *Store origin: PH* *Last updated: 2026-07-17*