{"id":6285,"date":"2025-12-11T08:16:19","date_gmt":"2025-12-11T08:16:19","guid":{"rendered":"https:\/\/technolabelectronics.com\/?post_type=product&#038;p=6285"},"modified":"2026-03-27T18:38:55","modified_gmt":"2026-03-27T18:38:55","slug":"5v-two-channel-relay-module-with-optocoupler","status":"publish","type":"product","link":"https:\/\/technolabelectronics.com\/?product=5v-two-channel-relay-module-with-optocoupler","title":{"rendered":"5V Two Channel Relay Module with Optocoupler"},"content":{"rendered":"<p>Upgrade your automation projects with this 5V 2-Channel Relay Module designed for optimum isolation and protection using onboard opto-couplers. Whether you&#8217;re working on an IoT setup, Arduino project, or home automation system, this module offers safe, reliable switching of high-voltage loads directly from a microcontroller like Arduino, ESP32, STM32, or Raspberry Pi.<\/p>\n<p>This module supports both AC and DC loads and provides active-low triggering, making it perfect for industrial and DIY automation applications.<\/p>\n<h2>Features<\/h2>\n<ul>\n<li><strong>Dual-channel relay switching \u2013<\/strong> Control 2 AC\/DC appliances or devices<\/li>\n<li><strong>5V logic compatible \u2013<\/strong> Perfect for most development boards like Arduino, ESP8266, ESP32<\/li>\n<li><strong>Optocoupler isolation \u2013<\/strong> Ensures complete electrical isolation between the control and load side<\/li>\n<li><strong>High-current relay \u2013<\/strong> Up to 10A @ 250V AC \/ 30V DC<\/li>\n<li><strong>LED indicators \u2013<\/strong> Status LEDs for power and relay switching<\/li>\n<li><strong>Screw terminal outputs \u2013<\/strong> Easy and secure connection to external devices<\/li>\n<li><strong>Active-low trigger \u2013<\/strong> Relay turns ON when control pin is LOW<\/li>\n<li><strong>Mounting holes \u2013<\/strong> Easily mount on project enclosures or panels<\/li>\n<\/ul>\n<h2>Specifications<\/h2>\n<ul>\n<li>\u00a0<strong>Operating Voltage &#8211;<\/strong> 5V DC<\/li>\n<li><strong>Channels &#8211;<\/strong> 2<\/li>\n<li><strong>Trigger Voltage &#8211;<\/strong> Low-level Trigger (Active LOW)<\/li>\n<li><strong>Relay Type &#8211;<\/strong> SRD-05VDC-SL-C<\/li>\n<li><strong>Max Switching Voltage (AC) &#8211;<\/strong> 250V @ 10A<\/li>\n<li><strong>Max Switching Voltage (DC) &#8211;<\/strong> 30V @ 10A<\/li>\n<li><strong>Optocoupler &#8211;<\/strong> PC817 or equivalent<\/li>\n<li><strong>Control Interface &#8211;<\/strong> IN1, IN2, GND, VCC<\/li>\n<li><strong>Load Output Type &#8211;<\/strong> NO (Normally Open), NC (Normally Closed), COM<\/li>\n<li><strong>Dimensions &#8211;<\/strong> Approx. 50mm x 40mm x 18mm<\/li>\n<li><strong>Indicator LEDs &#8211;<\/strong> Power LED + 2 Relay Status LEDs<\/li>\n<\/ul>\n<h2>Applications<\/h2>\n<ul>\n<li>Home automation projects<\/li>\n<li>Smart home relay control<\/li>\n<li>Security systems<\/li>\n<li>Industrial automation<\/li>\n<li>IoT and remote switching applications<\/li>\n<li>AC\/DC appliance control using Arduino, ESP32, Raspberry Pi, etc.<\/li>\n<li>College and school-level electronics projects<\/li>\n<\/ul>\n<h2>\u00a0Package Includes<\/h2>\n<ul>\n<li>1 x 5V 2-Channel Relay Module with Optocoupler<\/li>\n<li>Packed in antistatic &amp; protective packaging<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<h2>Specifications<\/h2>\n<ul>\n<li>Operating Voltage &#8211; 5V DC<\/li>\n<li>Channels &#8211; 2<\/li>\n<li>Trigger Voltage &#8211; Low-level Trigger (Active LOW)<\/li>\n<li>Relay Type &#8211; SRD-05VDC-SL-C<\/li>\n<li>Max Switching Voltage (AC) &#8211; 250V @ 10A<\/li>\n<li>Max Switching Voltage (DC) &#8211; 30V @ 10A<\/li>\n<li>Optocoupler &#8211; PC817 or equivalent<\/li>\n<li>Control Interface &#8211; IN1, IN2, GND, VCC<\/li>\n<li>Load Output Type &#8211; NO (Normally Open), NC (Normally Closed), COM<\/li>\n<li>Dimensions &#8211; Approx. 50mm x 40mm x 18mm<\/li>\n<li>Indicator LEDs &#8211; Power LED + 2 Relay Status LEDs<\/li>\n<\/ul>\n","protected":false},"featured_media":6284,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[15],"product_tag":[764,775,763,768,776,771,777,769,766,359,773,765,770,358,779,772,767,774,778],"class_list":{"0":"post-6285","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-uncategorized","7":"product_tag-2-channel-relay-module","8":"product_tag-5v-relay-board","9":"product_tag-5v-relay-module","10":"product_tag-ac-dc-load-control","11":"product_tag-arduino-automation-project","12":"product_tag-diy-electronics-module","13":"product_tag-electronic-components-india","14":"product_tag-esp32-relay-module","15":"product_tag-high-voltage-control","16":"product_tag-home-automation-relay","17":"product_tag-iot-relay-controller","18":"product_tag-optocoupler-relay-module","19":"product_tag-raspberry-pi-relay-board","20":"product_tag-relay-module-for-arduino","21":"product_tag-relay-module-with-isolation","22":"product_tag-relay-switch-module","23":"product_tag-smart-home-relay-module","24":"product_tag-srd-05vdc-sl-c","25":"product_tag-technolab-electronics-relay","27":"first","28":"instock","29":"sale","30":"taxable","31":"shipping-taxable","32":"purchasable","33":"product-type-simple"},"acf":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/technolabelectronics.com\/index.php?rest_route=\/wp\/v2\/product\/6285","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/technolabelectronics.com\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/technolabelectronics.com\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/technolabelectronics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6285"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/technolabelectronics.com\/index.php?rest_route=\/wp\/v2\/media\/6284"}],"wp:attachment":[{"href":"https:\/\/technolabelectronics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6285"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/technolabelectronics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=6285"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/technolabelectronics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=6285"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/technolabelectronics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=6285"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}