--- product_id: 42045960 title: "DC 24V 2-Channel Relay Module High Low Level Triggering Bidirectional Optocoupler Isolation Load 30A DC 30V AC 250V for PLC Automation Control, Industrial System Control" brand: "knacro" price: "S/.3" currency: PEN in_stock: false url: https://www.desertcart.pe/products/42045960-dc-24v-2-channel-relay-module-high-low-level-triggering store_origin: PE region: Peru --- # 30A load capacity Dual-channel control Compact design DC 24V 2-Channel Relay Module High Low Level Triggering Bidirectional Optocoupler Isolation Load 30A DC 30V AC 250V for PLC Automation Control, Industrial System Control **Brand:** knacro **Price:** S/.3 **Availability:** ❌ Out of Stock ## Summary > 🔗 Connect with Power: Elevate your automation game! ## Quick Answers - **What is this?** DC 24V 2-Channel Relay Module High Low Level Triggering Bidirectional Optocoupler Isolation Load 30A DC 30V AC 250V for PLC Automation Control, Industrial System Control by knacro - **How much does it cost?** S/.3 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/42045960-dc-24v-2-channel-relay-module-high-low-level-triggering) ## 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 - • **Powerful Control:** Harness 30A relay capabilities for robust automation. - • **Compact & Efficient:** Space-saving dimensions (6.0cm x 5.7cm x 2.5cm) for any project. - • **Reliable Performance:** High-quality components ensure stability in industrial applications. - • **User-Friendly Design:** Easily connect with terminal leads for hassle-free setup. - • **Versatile Triggering:** Choose between high or low-level signal triggers effortlessly. ## Overview The DC 24V 2-Channel Relay Module is a high-performance control solution designed for industrial automation. With a load capacity of 30A and versatile triggering options, this module is perfect for PLC systems. Its compact design and user-friendly connections make it an essential tool for professionals seeking reliable and efficient power control. ## Description Module control side:5-wire interface, all interfaces have terminals, user-friendly wiring 1, DC +: external DC power supply positive (5V, 12V and 24V modules to choose from) 2, DC-: external DC power supply negative 3, VREF: photoelectric isolation control terminal reference ground, -If high-level control is used: This signal should be connected to the negative terminal of the user's control panel power supply -If low level control is used: This signal should be connected to the positive terminal of the user's control panel power supply CH1: relay control interface, -If VREF is connected to the power supply negative: This port is high (relative to VREF) when the corresponding relay pulls -If VREF is connected to the power supply positive: This port is low (relative to VREF) when the corresponding relay pulls Note: the isolated relay module in order to adapt to the electromagnetic environment is relatively poor or relatively high signal requirements of the occasion, if you want to achieve a complete isolation effect, the user control panel power supply (that is connected to the VERF reference power) and the relay module power supply (DC + / DC-) should be separated, if the two power supply shared ground, then the effect is not fully isolated, then the user can use the standard relay module. Relay output:6-wire interface, all interfaces have terminals, user-friendly wiring 1, NO1-NO2: relay normally open interface); 2, COM1-COM2: relay common interface; 3, NC1-NC2: relay normally closed interface ; Package Inluded: 1*DC 24V 2-Channel 30A Relay Module ## Features - Bidirectional isolation 2-Channel high-power relay control module, select the high or low signal trigger, only need 3mA current can drive control capability of 30A relay pull.The module uses high-quality relay, normally open interface Maximum load: AC 250V / 30A, DC 30V / 30A; - The module uses high-quality power relay, ultra-small package optocoupler, high-power high-voltage transistor, red and blue signal indicator, double-sided PCB board, cloth board to consider a comprehensive, stable performance can be widely used in a variety of power control The Module operating voltage 5V, 12V, 24V to choose from; - The user can select the relay control level, can be high level pull, it can be low level pull; module with current limiting resistor, you can directly use the power supply positive and negative control, you can also use the microcontroller I / O Mouth control - The user can select the relay control level, can be high level pull, it can be low level pull; module with current limiting resistor, you can directly use the power supply positive and negative control, you can also use the microcontroller I / O port control; - Power indicator (red), 2-Channel relay status indicator (blue);All interfaces can be directly connected through the terminal leads, very convenient; Module size: 6.0cm * 5.7cm * 2.5cm (L * W * H) (weight 70g);9, With four fixed bolt holes, easy to install. ## Product Details - **Contact Type:** Normally Closed - **Current Rating:** 30 Amps - **Brand:** KNACRO - **Operation Mode:** Automatic - **Coil Voltage:** 24 Volts ## Images ![DC 24V 2-Channel Relay Module High Low Level Triggering Bidirectional Optocoupler Isolation Load 30A DC 30V AC 250V for PLC Automation Control, Industrial System Control - Image 1](https://m.media-amazon.com/images/I/71wOtmMU-2L.jpg) ![DC 24V 2-Channel Relay Module High Low Level Triggering Bidirectional Optocoupler Isolation Load 30A DC 30V AC 250V for PLC Automation Control, Industrial System Control - Image 2](https://m.media-amazon.com/images/I/71Xo2nPUomL.jpg) ![DC 24V 2-Channel Relay Module High Low Level Triggering Bidirectional Optocoupler Isolation Load 30A DC 30V AC 250V for PLC Automation Control, Industrial System Control - Image 3](https://m.media-amazon.com/images/I/71Ul28W3TQL.jpg) ![DC 24V 2-Channel Relay Module High Low Level Triggering Bidirectional Optocoupler Isolation Load 30A DC 30V AC 250V for PLC Automation Control, Industrial System Control - Image 4](https://m.media-amazon.com/images/I/71KjUgHQgLL.jpg) ![DC 24V 2-Channel Relay Module High Low Level Triggering Bidirectional Optocoupler Isolation Load 30A DC 30V AC 250V for PLC Automation Control, Industrial System Control - Image 5](https://m.media-amazon.com/images/I/71fzgPa6FiL.jpg) --- ## 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.pe/products/42045960-dc-24v-2-channel-relay-module-high-low-level-triggering](https://www.desertcart.pe/products/42045960-dc-24v-2-channel-relay-module-high-low-level-triggering) --- *Product available on Desertcart Peru* *Store origin: PE* *Last updated: 2026-04-22*