--- product_id: 456524925 title: "1-Channel 12V Relay Module with optocoupler Isolation Supports high and Low Level triggering (Pack of 10)" brand: "huarew" price: "€ 33.25" currency: EUR in_stock: true category: "Huarew" url: https://www.desertcart.at/products/456524925-1-channel-12v-relay-module-with-optocoupler-isolation-supports-high store_origin: AT region: Austria --- # 10A max load power Dual LED status indicators Optocoupler isolation 1-Channel 12V Relay Module with optocoupler Isolation Supports high and Low Level triggering (Pack of 10) **Brand:** huarew **Price:** € 33.25 **Availability:** ✅ In Stock ## Summary > ⚡ Control with Confidence, Switch with Style! ## Quick Answers - **What is this?** 1-Channel 12V Relay Module with optocoupler Isolation Supports high and Low Level triggering (Pack of 10) by huarew - **How much does it cost?** € 33.25 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/456524925-1-channel-12v-relay-module-with-optocoupler-isolation-supports-high) ## Best For - huarew enthusiasts ## Why This Product - Trusted huarew brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Powerhouse Performance:** Handles up to 10A at 250VAC/30VDC for robust control. - • **Safe & Sound Switching:** Optocoupler isolation protects your microcontroller from harmful current spikes. - • **Plug & Play Convenience:** Humanized design with clear input/output terminals for effortless wiring. - • **Versatile Compatibility:** Perfectly suited for all single-chip microcomputers and diverse power control projects. - • **Visual Status Assurance:** Dual LED indicators keep you instantly informed—green for power, red for relay action. ## Overview This 1-channel 12V relay module pack of 10 features optocoupler isolation for safe switching, supports both high and low-level TTL triggers, and handles up to 10A load at 250VAC/30VDC. Equipped with dual LED indicators and a user-friendly interface, it’s ideal for microcontroller-based power control applications. ## Description Specifications: Material: PCB Control signal: TTL Trigger current: 5mA Operating voltage: 12V Maximum load: AC 250V/10A, DC 30V/10A Maximum Switching voltage: 250VAC, 30V Trigger voltage: 0-1.5V (LOW); 3-5V (HIGH) LED Indicators: Power Indicator: Green Relay status display: red Relay output: 1. NO: The relay is normally open, the relay is suspended before it is closed, and it is short-circuited with COM after it is closed. 2. COM: relay common interface 3. NC: The relay is normally closed interface, the relay is short-circuited with COM before it is pulled in, and it is left in the air after it is pulled in. Package includes: 10 x 1 channel 12V relay module with optocoupler. ## Features - Convenience: The relay board is designed with 1 interface, humanized design, input and output terminals, and convenient wiring. - With indicator light: with power supply and working dual indicator lights. Power indicator (green), relay status indicator (red) - Insulation design: The relay board is insulated with a patch optocoupler, and the insulation circuit prevents the relay switching current from damaging the E/A port. - High quality: The module adopts normally open interface, high quality relay, the maximum load of the relay module: AC 250V/10A, DC 30V/10A. - Wide range of applications: suitable for all kinds of single-chip microcomputers, and can be widely used in various power control occasions. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B4W7VDL7 | | Best Sellers Rank | #57,798 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #28 in Electromechanical Relays | | Brand Name | HUAREW | | Coil Voltage | 12 Volts | | Connector Type | Solder | | Contact Current Rating | 10 Amps | | Contact Material | Silver | | Contact Type | Normally Closed | | Current Rating | 10 Amps | | Customer Reviews | 4.5 4.5 out of 5 stars (58) | | Manufacturer | HUAREW | | Maximum Switching Current | 10 Amps | | Maximum Switching Voltage | 250 Volts | | Minimum Switching Voltage | 30 Volts | | Model | HR-RELAY-12V | | Mounting Type | PCB Mount | | Operation Mode | 12v | | Part Number | HR-RELAY-12V | | UPC | 762917148854 | | Unit Count | 10.0 Count | | Wattage | 6 Milliwatts | ## Product Details - **Connector Type:** Solder - **Contact Material:** Silver - **Contact Type:** Normally Closed - **Current Rating:** 10 Amps - **Mounting Type:** PCB Mount ## Images ![1-Channel 12V Relay Module with optocoupler Isolation Supports high and Low Level triggering (Pack of 10) - Image 1](https://m.media-amazon.com/images/I/81lMh7FyzhL.jpg) ## Available Options This product comes in different **Style** options. --- ## 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/456524925-1-channel-12v-relay-module-with-optocoupler-isolation-supports-high](https://www.desertcart.at/products/456524925-1-channel-12v-relay-module-with-optocoupler-isolation-supports-high) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-08-18*