--- product_id: 119725150 title: "HiLetgo 5V 1 Channel Relay Module With OPTO Isolation Support High or Low Level Trigger" brand: "hiletgo" price: "฿1617" currency: THB in_stock: true reviews_count: 5 category: "Hi Letgo" url: https://www.desertcart.co.th/products/119725150-hiletgo-5v-1-channel-relay-module-with-opto-isolation-support store_origin: TH region: Thailand --- # 10A max current load High/Low level trigger selectable SMD optocoupler isolation HiLetgo 5V 1 Channel Relay Module With OPTO Isolation Support High or Low Level Trigger **Brand:** hiletgo **Price:** ฿1617 **Availability:** ✅ In Stock ## Summary > 🔌 Elevate your automation game with precision and protection! ## Quick Answers - **What is this?** HiLetgo 5V 1 Channel Relay Module With OPTO Isolation Support High or Low Level Trigger by hiletgo - **How much does it cost?** ฿1617 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/119725150-hiletgo-5v-1-channel-relay-module-with-opto-isolation-support) ## Best For - hiletgo enthusiasts ## Why This Product - Trusted hiletgo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Fault-tolerant design keeps relay stable even if control line breaks—reliability you can trust. - • **Next-Level Safety:** SMD optocoupler isolation ensures ultra-low 5mA trigger current and protects your circuits. - • **Flexible Trigger Modes:** Easily switch between high or low level triggers with a simple jumper for ultimate control. - • **Powerhouse Performance:** Handles up to 10A at 250V AC or 30V DC for robust device control. - • **User-Friendly Indicators:** Dual LED indicators show power status (green) and relay activation (red) at a glance. ## Overview The HiLetgo 5V 1 Channel Relay Module is a compact, surface-mount device designed for reliable switching with a maximum load of 10A at 250V AC or 30V DC. Featuring SMD optocoupler isolation for low trigger current and enhanced circuit safety, it supports both high and low level trigger modes selectable via jumper. Equipped with clear power and relay status LEDs, plus a fault-tolerant design, this module is perfect for professional-grade automation and remote control projects. ## Description 5V 1 Channel Relay Module With OPTO Isolation Support High or Low Level Trigger Description 1. normally open interfaces Maximum load : AC 250V/10A DC 30V/10A 2. Using SMD OPTOCOUPLER isolation the trigger current only 5mA 3. The module have 5V 9V 12V and 24V are available 4. The module can be set to high or low triggered by jumper 5. Fault-tolerant design even if the control line is broken the relay will maintain; 6. Has the power indicator (green) and relay status indicator (red) 7. Size: 50*26*18.5mm 8. Has four mounting bolts holes hole 3.1mm 44.5*20.5mm pitch Interface: Input: VCC: Relay power supply + GND: Relay power supply - IN: Signal trigger input (High or Low Level Signal select via jumper) Output: NO: Relay normally open. COM: Relay Common Pin NC: Relay normally closed. High or Low Level Trigger Select: 1. Use High Level Trigger When ¡°IN¡± input High Level Signal the ¡°NO¡± connect with ¡±COM¡± When ¡°IN¡± input Low Level Signal the ¡°NC¡± connect with ¡°COM¡± 2. Use Low Level Trigger When ¡°IN¡± input Low Level Signal the ¡°NO¡± connect with ¡±COM¡± When ¡°IN¡± input High Level Signal the ¡°NC¡± connect with ¡°COM¡± 3. High or Low Level Trigger Select Jumper connect with L Low Level Trigger Jumper connect with H High Level Trigger 0 ## Features - HiLetgo 5V 1 Channel Relay Module - The module voltage is 5V - Using SMD OPTOCOUPLER isolation ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00LW15A4W | | Best Sellers Rank | #242,036 in Home Improvement ( See Top 100 in Home Improvement ) #79 in Modules | | Brand | HiLetgo | | Brand Name | HiLetgo | | Coil Voltage | 5 Volts | | Connector Type | Screw | | Contact Current Rating | 10 Amps | | Contact Material | Silver Alloy | | Contact Type | Normally Closed | | Current Rating | 10 Amps | | Customer Reviews | 4.6 out of 5 stars 1,120 Reviews | | Manufacturer | HiLetgo | | Maximum Switching Current | 10 Amps | | Maximum Switching Voltage | 250 Volts | | Model Number | 3-01-0340 | | Mounting Type | Surface Mount | | Operation Mode | Automatic | | Part Number | 3-01-0340 | | Specification Met | ma, vcc | | UPC | 702082655948 | | Unit Count | 1 Count | | Wattage | 5 Watts | ## Product Details - **Connector Type:** Screw - **Contact Material:** Silver Alloy - **Contact Type:** Normally Closed - **Current Rating:** 10 Amps - **Mounting Type:** Surface Mount ## Images ![HiLetgo 5V 1 Channel Relay Module With OPTO Isolation Support High or Low Level Trigger - Image 1](https://m.media-amazon.com/images/I/61Ynyg4Sd8L.jpg) ![HiLetgo 5V 1 Channel Relay Module With OPTO Isolation Support High or Low Level Trigger - Image 2](https://m.media-amazon.com/images/I/61Y67RDLHlL.jpg) ![HiLetgo 5V 1 Channel Relay Module With OPTO Isolation Support High or Low Level Trigger - Image 3](https://m.media-amazon.com/images/I/61zFlPTLLWL.jpg) ![HiLetgo 5V 1 Channel Relay Module With OPTO Isolation Support High or Low Level Trigger - Image 4](https://m.media-amazon.com/images/I/61rpvqFoLcL.jpg) ![HiLetgo 5V 1 Channel Relay Module With OPTO Isolation Support High or Low Level Trigger - Image 5](https://m.media-amazon.com/images/I/51+Du5sRIiL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by J***B on 19 October 2025* ### ⭐⭐⭐⭐⭐ Review *by R***H on 30 December 2024* ### ⭐⭐⭐⭐ Review *by G***E on 24 April 2022* ## Frequently Bought Together - HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High 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 - Arduino Uno REV3 [A000066] – ATmega328P Microcontroller, 16MHz, 14 Digital I/O Pins, 6 Analog Inputs, 32KB Flash, USB Connectivity, Compatible with Arduino IDE for DIY Projects and Prototyping --- ## 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.co.th/products/119725150-hiletgo-5v-1-channel-relay-module-with-opto-isolation-support](https://www.desertcart.co.th/products/119725150-hiletgo-5v-1-channel-relay-module-with-opto-isolation-support) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-30*