--- product_id: 95074465 title: "DC 12V 30A 2-Channel Relay Module High Or Low Level Triggering with Optocoupler Isolation Load 30A DC 30V AC 250V for PLC Automation Control, Industrial System Control" brand: "knacro" price: "NT$76" currency: TWD in_stock: false reviews_count: 1 url: https://www.desertcart.tw/products/95074465-dc-12v-30a-2-channel-relay-module-high-or-low store_origin: TW region: Taiwan --- # 30A max load DC 30V/AC 250V Optocoupler isolation DC 12V 30A 2-Channel Relay Module High Or Low Level Triggering with Optocoupler Isolation Load 30A DC 30V AC 250V for PLC Automation Control, Industrial System Control **Brand:** knacro **Price:** NT$76 **Availability:** ❌ Out of Stock ## Summary > 🔧 Unleash Your Automation Potential! ## Quick Answers - **What is this?** DC 12V 30A 2-Channel Relay Module High Or Low Level Triggering with Optocoupler Isolation Load 30A DC 30V AC 250V for PLC Automation Control, Industrial System Control by knacro - **How much does it cost?** NT$76 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/95074465-dc-12v-30a-2-channel-relay-module-high-or-low) ## Best For - knacro enthusiasts ## Why This Product - Trusted knacro brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safety First:** Designed with isolation slots to meet international safety standards. - • **Experiment Ready:** Perfect for electronic enthusiasts and circuit modification projects. - • **Powerful Performance:** Control up to 30A with ease, perfect for demanding applications. - • **Versatile Applications:** Ideal for PLC automation, industrial systems, and home automation. - • **User-Friendly Indicators:** Each channel features an LED indicator for real-time status monitoring. ## Overview The DC 12V 30A 2-Channel Relay Module is engineered for high-performance control in various applications, featuring robust load handling capabilities and optocoupler isolation for enhanced safety and reliability. Ideal for both industrial and home automation, this module is a must-have for tech enthusiasts and professionals alike. ## Description Supply voltage: DC 12V ; Quiescent current: 5mA; Maximum operating current: 80ma(12v) ; Trigger mode: high and low level trigger; Load voltage: DC 30V / AC 250V; Load current: 30A; Relay life: more than 100,000 times; Product weight: 200g ); Size: 70 * 72 * 22mm ; Mounting hole size: 67.5*69.5MM (LxW); Module Interface Description: 1. DC +: DC power supply positive; 2. DC -: DC power supply module negative; 3. IN: Signal input terminal(support High/Low Level switch freely); 4. Normally open (NO): Relay normally open; 5. Common terminal (COM): Relay common; 6. Normally closed terminal (NC): relay normally closed terminal; Trigger voltage range: DC 12V: Low-level trigger: 0-5V relay ON; 6-12V relay OFF; High-level trigger: 6-12V relay ON; 0-5.5V relay OFF; Package Included: 1x 30A Relay Module Review: Works great - Had this running for over a month now and it works great. Using this to control fans in a Reptile box ## Features - Using high-power relay, the maximum control load DC 30V 30A / AC 250V 30A; - With each optocoupler isolation, anti-interference ability. - In line with international safety standards, the control area and the load area with isolation slot. - Each channle has a relay on LED indication. - Product Applications: PLC automation equipment control, industrial system control, logistics network control, home intelligent product control, electronic enthusiasts to develop experiments, all kinds of circuit modification. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07896HXV9 | | Best Sellers Rank | #2,501,964 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #12,408 in Power Converters | | Brand | KNACRO | | Brand Name | KNACRO | | Coil Voltage | 12 Volts | | Connector Type | Screw | | Contact Current Rating | 30 Amps | | Contact Type | Normally Closed | | Current Rating | 30 Amps | | Customer Reviews | 5.0 out of 5 stars 3 Reviews | | Manufacturer | KNACRO | | Maximum Switching Current | 30 Amps | | Maximum Switching Voltage | 250 Volts | | Minimum Switching Voltage | 5 Volts (DC) | | Mounting Type | DIN Rail Mount | | Operation Mode | Automatic | | Part Number | 2-Channel Relay Module | | Specification Met | Ul, Iec/En 60947 | | UPC | 736364870798 | ## Product Details - **Connector Type:** Screw - **Contact Type:** Normally Closed - **Current Rating:** 30 Amps - **Mounting Type:** DIN Rail Mount - **Brand:** KNACRO ## Images ![DC 12V 30A 2-Channel Relay Module High Or Low Level Triggering with Optocoupler Isolation Load 30A DC 30V AC 250V for PLC Automation Control, Industrial System Control - Image 1](https://m.media-amazon.com/images/I/81VQBK39A1L.jpg) ![DC 12V 30A 2-Channel Relay Module High Or Low Level Triggering with Optocoupler Isolation Load 30A DC 30V AC 250V for PLC Automation Control, Industrial System Control - Image 2](https://m.media-amazon.com/images/I/817H534uROL.jpg) ![DC 12V 30A 2-Channel Relay Module High Or Low Level Triggering with Optocoupler Isolation Load 30A DC 30V AC 250V for PLC Automation Control, Industrial System Control - Image 3](https://m.media-amazon.com/images/I/81RBx41SDDL.jpg) ![DC 12V 30A 2-Channel Relay Module High Or Low Level Triggering with Optocoupler Isolation Load 30A DC 30V AC 250V for PLC Automation Control, Industrial System Control - Image 4](https://m.media-amazon.com/images/I/81QR9noz3QL.jpg) ![DC 12V 30A 2-Channel Relay Module High Or Low Level Triggering with Optocoupler Isolation Load 30A DC 30V AC 250V for PLC Automation Control, Industrial System Control - Image 5](https://m.media-amazon.com/images/I/81IP9l42FvL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works great *by J***E on January 13, 2024* Had this running for over a month now and it works great. Using this to control fans in a Reptile box ## Frequently Bought Together - KNACRO DC 12V 30A 2-Channel Relay Module High Or Low Level Triggering with Optocoupler Isolation Load 30A DC 30V AC 250V for PLC Automation Control, Industrial System Control - NOYITO 30A 4 Channel Relay Module High Low Level Trigger with Optocoupler Isolation Load DC 30V AC 250V 30A for PLC Automation Equipment Control, Industrial Control (4-Channel 5V) - 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.tw/products/95074465-dc-12v-30a-2-channel-relay-module-high-or-low](https://www.desertcart.tw/products/95074465-dc-12v-30a-2-channel-relay-module-high-or-low) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-05-16*