{"id":407,"date":"2025-08-14T09:12:14","date_gmt":"2025-08-14T09:12:14","guid":{"rendered":"https:\/\/plcautomations.com\/products\/?post_type=product&#038;p=407"},"modified":"2026-02-02T06:13:09","modified_gmt":"2026-02-02T06:13:09","slug":"omron-g2r-1-snd-dc24s-general-purpose-relay-led-indicator-and-diode-plug-in-terminals-single-pole-double-throw-contacts-21-6-ma-rated-load-current-24-vdc-rated-load-voltage-omron-automation-and","status":"publish","type":"product","link":"https:\/\/plcautomations.com\/products\/product\/omron-g2r-1-snd-dc24s-general-purpose-relay-led-indicator-and-diode-plug-in-terminals-single-pole-double-throw-contacts-21-6-ma-rated-load-current-24-vdc-rated-load-voltage-omron-automation-and\/","title":{"rendered":"Omron G2R-1-SND DC24(S) General Purpose Relay, LED Indicator and Diode, Plug-In Terminals, Single Pole Double Throw Contacts, 21.6 mA Rated Load Current, 24 VDC Rated Load Voltage OMRON Automation and Safety"},"content":{"rendered":"<p>The <strong>Omron G2R-1-SND DC24(S)<\/strong> is a <strong>general-purpose relay<\/strong> with an integrated <strong>LED indicator<\/strong> and a <strong>diode<\/strong>, designed for use in control circuits, automation, and industrial applications. It features <strong>plug-in terminals<\/strong> and provides <strong>single-pole double-throw (SPDT)<\/strong> contacts, making it highly versatile for switching and control tasks.<\/p>\n<hr \/>\n<h2>\u2705 <strong>Pros<\/strong><\/h2>\n<h3>1. <strong>Integrated LED Indicator<\/strong><\/h3>\n<ul>\n<li>The <strong>LED indicator<\/strong> provides a visual cue to show when the relay is <strong>energized<\/strong>, which simplifies troubleshooting and monitoring, especially in <strong>complex control systems<\/strong>.<\/li>\n<\/ul>\n<h3>2. <strong>Built-in Diode for Protection<\/strong><\/h3>\n<ul>\n<li>The <strong>diode<\/strong> protects the relay\u2019s <strong>coil circuit<\/strong> by suppressing voltage spikes caused by inductive loads (like motors or solenoids), preventing damage to the relay and connected components.<\/li>\n<\/ul>\n<h3>3. <strong>SPDT Contacts for Versatility<\/strong><\/h3>\n<ul>\n<li>The <strong>single-pole double-throw (SPDT)<\/strong> configuration allows the relay to control <strong>two independent circuits<\/strong> or switch between two different states, offering more flexibility in design.<\/li>\n<\/ul>\n<h3>4. <strong>Compact and Easy to Install<\/strong><\/h3>\n<ul>\n<li><strong>Plug-in terminals<\/strong> make installation quick and simple, reducing wiring time and allowing for easy replacement or maintenance. The compact design fits into smaller spaces in control panels.<\/li>\n<\/ul>\n<h3>5. <strong>Wide Voltage Range (24 VDC)<\/strong><\/h3>\n<ul>\n<li>The relay is <strong>rated for 24 VDC<\/strong>, which is common in many <strong>industrial control systems<\/strong> and <strong>automation equipment<\/strong>, making it compatible with a broad range of applications.<\/li>\n<\/ul>\n<h3>6. <strong>Reliable Performance<\/strong><\/h3>\n<ul>\n<li>The <strong>G2R-1-SND<\/strong> relay is known for <strong>durability and longevity<\/strong>, making it a reliable choice for tasks that require consistent and frequent switching cycles.<\/li>\n<\/ul>\n<hr \/>\n<h2>\u274c <strong>Cons<\/strong><\/h2>\n<h3>1. <strong>Limited Load Capacity<\/strong><\/h3>\n<ul>\n<li>With a <strong>21.6 mA rated load current<\/strong> and a <strong>24 VDC rated voltage<\/strong>, this relay is suitable for <strong>low to moderate load switching<\/strong> but may not be ideal for high-power applications or heavy-duty industrial systems requiring higher current ratings.<\/li>\n<\/ul>\n<h3>2. <strong>No Overload Protection<\/strong><\/h3>\n<ul>\n<li>The relay lacks <strong>built-in overload protection<\/strong>. If used in high-load environments, external protection devices, such as <strong>fuses<\/strong> or <strong>circuit breakers<\/strong>, will be necessary to safeguard the system.<\/li>\n<\/ul>\n<h3>3. <strong>Limited to DC Circuits<\/strong><\/h3>\n<ul>\n<li>This relay is specifically designed for <strong>DC (24 V)<\/strong> systems and cannot be used in <strong>AC circuits<\/strong> without additional components or different relay configurations.<\/li>\n<\/ul>\n<h3>4. <strong>Mechanical Wear Over Time<\/strong><\/h3>\n<ul>\n<li>As an <strong>electromechanical relay<\/strong>, the <strong>G2R-1-SND<\/strong> is susceptible to wear and tear over time due to its <strong>moving parts<\/strong> (contacts and coil). For high-frequency switching or long-term use, regular inspection and maintenance are required.<\/li>\n<\/ul>\n<h3>5. <strong>Current Rating May Be Too Low for Certain Applications<\/strong><\/h3>\n<ul>\n<li>For applications requiring <strong>higher currents<\/strong> (above the rated 21.6 mA), you may need to look for a relay with a higher current rating, as this model is designed for <strong>medium- or low-power<\/strong> use.<\/li>\n<\/ul>\n<hr \/>\n<h2>\ud83d\udcac <strong>Q&amp;A<\/strong><\/h2>\n<h3><strong>Q: Can I use this relay to control high-power devices?<\/strong><\/h3>\n<p><strong>A:<\/strong> The <strong>G2R-1-SND<\/strong> relay is suitable for controlling low to medium-power devices, but it may not be ideal for <strong>high-power machinery<\/strong> or systems that require switching <strong>larger currents<\/strong>. For higher-power applications, consider relays with higher current ratings or specific power relay models.<\/p>\n<hr \/>\n<h3><strong>Q: Is the LED indicator visible in bright environments?<\/strong><\/h3>\n<p><strong>A:<\/strong> The <strong>LED indicator<\/strong> is typically <strong>bright enough<\/strong> for most environments, but its visibility could be reduced in extremely <strong>bright or direct light<\/strong> conditions. It&#8217;s primarily useful in standard industrial environments for visual confirmation that the relay is energized.<\/p>\n<hr \/>\n<h3><strong>Q: What does the diode do, and is it essential?<\/strong><\/h3>\n<p><strong>A:<\/strong> The <strong>diode<\/strong> acts as a <strong>flyback diode<\/strong> (or <strong>freewheeling diode<\/strong>) to protect the relay from voltage spikes generated by <strong>inductive loads<\/strong> (like motors or solenoids). It&#8217;s essential if you&#8217;re switching inductive loads, as it prevents <strong>damage<\/strong> to the relay&#8217;s contacts and coil from voltage surges.<\/p>\n<hr \/>\n<h3><strong>Q: Can I use this relay for AC circuits?<\/strong><\/h3>\n<p><strong>A:<\/strong> The <strong>G2R-1-SND<\/strong> is designed for <strong>DC circuits only<\/strong>, with a <strong>24 VDC<\/strong> rating. If you need a relay for <strong>AC applications<\/strong>, you&#8217;ll need to select a relay designed for AC voltage or use an <strong>AC\/DC hybrid relay<\/strong>.<\/p>\n<hr \/>\n<h3><strong>Q: Is this relay easy to replace or install?<\/strong><\/h3>\n<p><strong>A:<\/strong> Yes, the <strong>plug-in terminals<\/strong> make installation and replacement <strong>quick and easy<\/strong>. It&#8217;s perfect for applications where you may need to frequently replace or service the relay without complex wiring.<\/p>\n<hr \/>\n<h3><strong>Q: Can I use this relay in an outdoor or harsh environment?<\/strong><\/h3>\n<p><strong>A:<\/strong> The <strong>G2R-1-SND<\/strong> is designed for standard <strong>indoor industrial use<\/strong>. For harsh outdoor environments, especially those involving extreme <strong>temperature fluctuations, moisture, or dirt<\/strong>, you may need additional <strong>protective housing<\/strong> or <strong>enclosures<\/strong> to ensure the relay remains functional and safe.<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<ul class=\"a-unordered-list a-vertical a-spacing-mini\">\n<li class=\"a-spacing-mini\"><span class=\"a-list-item\">Electric relay for receiving and controlling electric signals in low current applications<\/span><\/li>\n<li class=\"a-spacing-mini\"><span class=\"a-list-item\">Plug-in terminals for socket installation<\/span><\/li>\n<li class=\"a-spacing-mini\"><span class=\"a-list-item\">SPDT for simple change-over switching<\/span><\/li>\n<li class=\"a-spacing-mini\"><span class=\"a-list-item\">Built-in LED indicator alerts users to operating status<\/span><\/li>\n<li class=\"a-spacing-mini\"><span class=\"a-list-item\">UL recognized for safety, CSA, IEC, VDE, and CE certified for quality assurance<\/span><\/li>\n<\/ul>\n<hr class=\"a-divider-normal bucketDivider\" aria-hidden=\"true\" \/>\n<h2>Product details<\/h2>\n<div id=\"detailBullets_feature_div\">\n<ul class=\"a-unordered-list a-nostyle a-vertical a-spacing-none detail-bullet-list\">\n<li><span class=\"a-list-item\"><span class=\"a-text-bold\">Is Discontinued By Manufacturer \u200f : \u200e\u00a0<\/span>No<\/span><\/li>\n<li><span class=\"a-list-item\"><span class=\"a-text-bold\">Product Dimensions \u200f : \u200e\u00a0<\/span>2 x 2 x 1 inches; 0.01 ounces<\/span><\/li>\n<li><span class=\"a-list-item\"><span class=\"a-text-bold\">Item model number \u200f : \u200e\u00a0<\/span>reles industriales<\/span><\/li>\n<\/ul>\n<h2 class=\"default\">Product Description<\/h2>\n<div id=\"productDescription\" class=\"a-section a-spacing-small\">\n<p>&nbsp;<\/p>\n<p>This Omron G2R-1-SND DC24(S) general purpose relay has a built in LED indicator with a diode, plug-in terminals for a socket connection, single pole double throw (SPDT) contacts and is suitable for use with low voltage applications. This relay has an input current rating of 21.6 mA with a maximum load rating of 24VDC at 10 amp, and input of 24VDC. It has a built-in LED operation indicator to alert users to the operating status, a diode for surge suppression, and a nameplate for labeling. This general purpose relay is suitable for use in HVAC, appliance and security applications.<\/p>\n<h5>Specifications<\/h5>\n<p>Contact FormSPDTInput Current Rating21.6 mAInput Voltage24VDCLoad Rating24VDC, 10 ampOperating Temperature-40 to +70 degrees CEnclosure TypeUnsealedEnclosure Dimensions*35.5 x 13 x 29mm (H x W x D)Standards MetUL (Underwriter&#8217;s Laboratories)<br \/>\nCSA (Canadian Standards Association)<br \/>\nVDE (Electrical, Electronic &amp; Information Technologies)<br \/>\nIEC (International Electrotechnical Commission)<br \/>\nCE (European Conformity)<br \/>\n*H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.<\/p>\n<p>Relay switches (also called an electrical relay or an electrical relay switch) use a small amount of power to control a larger source of power connected to electrical devices such as car motors, computers, and lighting installations. A basic relay switch has a control circuit with an electromagnetic coil and a load circuit with contacts and a lever. When current flows into the relay switch, it moves through the coil and a magnetic field is created, which causes the lever in the load circuit to move between contacts, either turning the device on or off. In a normally open (NO) relay switch, when power is supplied to the relay, the load circuit is closed and the power source connected to the relay is turned on. In a normally closed (NC) relay switch, when power is supplied to the relay, the load circuit is open and the power source connected to the relay is turned off. In other types of relay switches, non-moving parts such as transistors or semiconductors can be used as the control circuit to operate the switching mechanism. Relay switches can be controlled with an external switch, such as a light switch, or they can be connected to an automatically switched power source, such as a car ignition. One relay can operate multiple switches, and multiple relays can be operated with a single switch, with each relay operating independently from the other relays in the system.<\/p>\n<\/div>\n<\/div>\n","protected":false},"featured_media":408,"comment_status":"open","ping_status":"closed","template":"","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":""},"product_brand":[33],"product_cat":[27],"product_tag":[28,36,37],"class_list":{"0":"post-407","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-omron","7":"product_cat-omron","8":"product_tag-omron","9":"product_tag-plcautomation","10":"product_tag-plcautomations","12":"first","13":"instock","14":"shipping-taxable","15":"product-type-external"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Omron G2R-1-SND DC24(S) General Purpose Relay, LED Indicator and Diode, Plug-In Terminals, Single Pole Double Throw Contacts, 21.6 mA Rated Load Current, 24 VDC Rated Load Voltage OMRON Automation and Safety - Products<\/title>\n<meta name=\"description\" content=\"Omron G2R-1-SND DC24(S) General Purpose Relay LED Indicator and Diode Plug-In Terminals Single Pole Double Throw Contacts 21.6 mA Rated Load Current 24 VDC Rated Load Voltage OMRON Automation and Safety The Omron G2R-1-SND DC24(S) is a general-purpose relay with an integrated LED indicator and a diode, designed for use in control circuits, automation, and industrial applications. It features plug-in terminals and provides single-pole double-throw (SPDT) contacts, making it highly versatile for switching and control tasks.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/plcautomations.com\/products\/product\/omron-g2r-1-snd-dc24s-general-purpose-relay-led-indicator-and-diode-plug-in-terminals-single-pole-double-throw-contacts-21-6-ma-rated-load-current-24-vdc-rated-load-voltage-omron-automation-and\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Omron G2R-1-SND DC24(S) General Purpose Relay, LED Indicator and Diode, Plug-In Terminals, Single Pole Double Throw Contacts, 21.6 mA Rated Load Current, 24 VDC Rated Load Voltage OMRON Automation and Safety - Products\" \/>\n<meta property=\"og:description\" content=\"Omron G2R-1-SND DC24(S) General Purpose Relay LED Indicator and Diode Plug-In Terminals Single Pole Double Throw Contacts 21.6 mA Rated Load Current 24 VDC Rated Load Voltage OMRON Automation and Safety The Omron G2R-1-SND DC24(S) is a general-purpose relay with an integrated LED indicator and a diode, designed for use in control circuits, automation, and industrial applications. 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