{"id":275,"date":"2025-08-06T03:49:59","date_gmt":"2025-08-06T03:49:59","guid":{"rendered":"https:\/\/plcautomations.com\/products\/?post_type=product&#038;p=275"},"modified":"2025-08-08T07:37:56","modified_gmt":"2025-08-08T07:37:56","slug":"omron-h3dk-m2-ac-dc24-240-0-1-s-1200-h-22-5-mm-24-240-vac-dc-8-mode-din-rail-mount-dpdt-h3dk-series-timer-omron-automation-and-safety","status":"publish","type":"product","link":"https:\/\/plcautomations.com\/products\/product\/omron-h3dk-m2-ac-dc24-240-0-1-s-1200-h-22-5-mm-24-240-vac-dc-8-mode-din-rail-mount-dpdt-h3dk-series-timer-omron-automation-and-safety\/","title":{"rendered":"OMRON H3DK-M2 AC\/DC24-240 0.1 S-1200 H, 22.5 MM, 24-240 VAC\/DC, 8 Mode, DIN Rail Mount, DPDT, H3DK Series, Timer OMRON Automation and Safety"},"content":{"rendered":"<p>The <strong>Omron H3DK-M2<\/strong> is a versatile <strong>multifunction timer<\/strong> from Omron\u2019s <strong>H3DK Series<\/strong>, offering a broad range of timing functions suited for industrial automation and control. This <strong>DIN rail-mounted<\/strong> timer provides <strong>8 selectable modes<\/strong>, supports <strong>24-240 VAC\/DC<\/strong> voltage input, and offers <strong>DPDT contacts<\/strong>. It is designed for high reliability and flexibility, making it ideal for a variety of industrial and automation applications.<\/p>\n<hr \/>\n<h3><strong>Pros of the Omron H3DK-M2 Timer<\/strong><\/h3>\n<ol>\n<li><strong>Wide Voltage Compatibility (24-240 VAC\/DC)<\/strong>:\n<ul>\n<li>The <strong>H3DK-M2<\/strong> can handle both <strong>AC and DC<\/strong> voltage inputs, with a wide operating voltage range from <strong>24V to 240V<\/strong>. This makes it adaptable for various industrial environments where different types of power supplies are used.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Eight Selectable Modes<\/strong>:\n<ul>\n<li>The <strong>8 modes<\/strong> (including <strong>ON delay<\/strong>, <strong>OFF delay<\/strong>, <strong>interval<\/strong>, and <strong>pulse timing<\/strong>) allow the timer to be used in a variety of automation and control applications. The flexibility of these modes makes the timer suitable for multiple tasks, such as controlling motor start\/stop times, machine cycles, and lighting systems.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Compact DIN Rail Mounting<\/strong>:\n<ul>\n<li>The <strong>22.5mm width<\/strong> and <strong>DIN rail mounting<\/strong> allow for easy installation in industrial control panels and electrical racks, saving space and simplifying the wiring and setup of complex systems. DIN rail mounting also makes it easier to integrate the timer into existing panel setups.<\/li>\n<\/ul>\n<\/li>\n<li><strong>DPDT (Double Pole Double Throw) Contacts<\/strong>:\n<ul>\n<li>The <strong>DPDT<\/strong> contacts provide the flexibility to control multiple circuits (both NO and NC) simultaneously. This is particularly useful in applications where two separate actions need to be controlled by the same timing function.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Wide Time Range (0.1s to 1200 hours)<\/strong>:\n<ul>\n<li>The <strong>H3DK-M2<\/strong> offers a <strong>wide time range<\/strong>, from as little as <strong>0.1 seconds<\/strong> up to <strong>1200 hours<\/strong>, making it suitable for both <strong>quick tasks<\/strong> (like delays in switching) and <strong>long-term operations<\/strong> (like periodic cycles or time-based controls).<\/li>\n<\/ul>\n<\/li>\n<li><strong>High Precision and Reliability<\/strong>:\n<ul>\n<li>Omron\u2019s <strong>H3DK Series<\/strong> timers are known for <strong>high precision<\/strong> and reliability. The <strong>H3DK-M2<\/strong> provides accurate timing, making it a dependable component in industrial automation systems where timing accuracy is critical for process control.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Durability for Harsh Environments<\/strong>:\n<ul>\n<li>Built to endure the challenges of industrial environments, the <strong>H3DK-M2<\/strong> timer is highly <strong>durable<\/strong> and can withstand the shocks, vibrations, and temperature fluctuations common in industrial settings.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Easy Configuration<\/strong>:\n<ul>\n<li>With <strong>simple adjustment methods<\/strong>, such as <strong>dip switches<\/strong> or <strong>manual setting<\/strong> for time and mode, the <strong>H3DK-M2<\/strong> is relatively easy to configure, even for complex applications. Users don\u2019t need advanced programming knowledge to set it up.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<hr \/>\n<h3><strong>Cons of the Omron H3DK-M2 Timer<\/strong><\/h3>\n<ol>\n<li><strong>No Built-In Display<\/strong>:\n<ul>\n<li>The <strong>H3DK-M2<\/strong> does not come with a <strong>digital display<\/strong> to show the remaining time or the current status of the timer. This can make monitoring and troubleshooting a bit more challenging, especially when trying to adjust or fine-tune the settings in real time.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Limited Digital Communication<\/strong>:\n<ul>\n<li>Unlike newer models, the <strong>H3DK-M2<\/strong> does not support <strong>digital communication protocols<\/strong> like <strong>Modbus<\/strong>, <strong>Ethernet\/IP<\/strong>, or <strong>IO-Link<\/strong>. This means it cannot be directly integrated into advanced, digitally networked control systems. For more connected and digital applications, a more advanced timer or controller may be required.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Mechanical Relays (Wear and Tear)<\/strong>:\n<ul>\n<li>The <strong>DPDT relays<\/strong> are mechanical, which means they can wear out over time with frequent switching. In high-cycle applications, mechanical relays may have a <strong>limited lifespan<\/strong> compared to solid-state relays. This could lead to <strong>maintenance costs<\/strong> and potential downtime.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Complex Setup for New Users<\/strong>:\n<ul>\n<li>While the <strong>H3DK-M2<\/strong> is flexible with its modes and timing range, the <strong>initial setup<\/strong> can be tricky for users who are not familiar with the <strong>multifunction timers<\/strong>. The multiple settings and mode options can be overwhelming, especially for beginners without prior experience in using industrial timers.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Not Suitable for High-Speed Switching<\/strong>:\n<ul>\n<li>The timer is best suited for standard timing tasks but is not designed for <strong>high-speed switching<\/strong> or applications requiring <strong>extremely fast switching times<\/strong>. For applications requiring <strong>microsecond precision<\/strong> or ultra-fast response times, other solutions might be more appropriate.<\/li>\n<\/ul>\n<\/li>\n<li><strong>No Power-Fail Protection<\/strong>:\n<ul>\n<li>The <strong>H3DK-M2<\/strong> does not include built-in <strong>power-fail recovery<\/strong> features. If there\u2019s a power interruption, the timer may reset, and the timing will be lost, potentially affecting the operation of your system. In critical systems, an additional backup or fail-safe mechanism may be necessary.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Fixed Relay Output (No Programmable Logic)<\/strong>:\n<ul>\n<li>The timer is limited to relay output, meaning that for more advanced control and feedback, you would need to pair it with other devices. If you require <strong>programmable logic<\/strong> or <strong>intelligent control features<\/strong>, the <strong>H3DK-M2<\/strong> does not offer those capabilities on its own.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<hr \/>\n<h3><strong>Q&amp;A Section<\/strong><\/h3>\n<p><strong>Q: Can the Omron H3DK-M2 be used for controlling motors in an industrial environment?<\/strong><br \/>\nA: Yes, the <strong>H3DK-M2<\/strong> can be used for motor control, especially in <strong>delayed start<\/strong> or <strong>stop<\/strong> applications. Its <strong>ON delay<\/strong> or <strong>OFF delay<\/strong> modes are suitable for controlling motors by introducing a time delay before switching the motor on or off. However, if your application requires very precise speed or position control, you might need more advanced controllers.<\/p>\n<p><strong>Q: How do I configure the timing settings on the H3DK-M2?<\/strong><br \/>\nA: The <strong>H3DK-M2<\/strong> has <strong>manual settings<\/strong> for both time and mode selection. It uses <strong>dip switches<\/strong> for easy configuration. Simply select the mode you need (e.g., ON delay, OFF delay, interval) and adjust the timing range using the dip switches or controls on the timer. The process is relatively simple but requires some familiarity with the different modes.<\/p>\n<p><strong>Q: Can the H3DK-M2 be used in outdoor environments?<\/strong><br \/>\nA: The <strong>H3DK-M2<\/strong> is designed for industrial applications, but you should consider its <strong>environmental protection level<\/strong> and <strong>location<\/strong>. If exposed to extreme weather conditions (e.g., heavy rain, high humidity, or dust), you may need to install it in a <strong>protected enclosure<\/strong>. It is not inherently weatherproof and should be shielded from harsh external conditions.<\/p>\n<p><strong>Q: Can I connect the H3DK-M2 timer to a PLC or automation system?<\/strong><br \/>\nA: While the <strong>H3DK-M2<\/strong> is an excellent choice for basic automation and control, it lacks <strong>digital communication capabilities<\/strong> like <strong>Modbus<\/strong>, <strong>Ethernet\/IP<\/strong>, or <strong>IO-Link<\/strong>. For integration with a <strong>PLC<\/strong> or advanced automation system, you would need additional components or a more advanced timer with networking support.<\/p>\n<p><strong>Q: What are the key applications for the H3DK-M2 timer?<\/strong><br \/>\nA: The <strong>H3DK-M2<\/strong> is used in a variety of applications where timing control is necessary, including:<\/p>\n<ul>\n<li><strong>Motor controls<\/strong><\/li>\n<li><strong>Lighting systems<\/strong><\/li>\n<li><strong>Cycle timing<\/strong><\/li>\n<li><strong>Pump operations<\/strong><\/li>\n<li><strong>Alarm systems<\/strong><\/li>\n<li><strong>Switching delays in industrial machinery<\/strong><\/li>\n<\/ul>\n<p><strong>Q: Is the H3DK-M2 suitable for high-frequency switching applications?<\/strong><br \/>\nA: The <strong>H3DK-M2<\/strong> is not designed for <strong>high-frequency switching<\/strong> applications due to its mechanical relay contacts. If you require rapid or continuous switching, you may want to consider <strong>solid-state relays<\/strong> or other timers that are specifically built for high-cycle environments.<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<div id=\"productOverview_feature_div\" class=\"celwidget\" data-feature-name=\"productOverview\" data-csa-c-type=\"widget\" data-csa-c-content-id=\"productOverview\" data-csa-c-slot-id=\"productOverview_feature_div\" data-csa-c-asin=\"B00DKYKMGK\" data-csa-c-is-in-initial-active-row=\"false\" data-csa-c-id=\"i0hmz-vkf87v-l99qx2-pqhrum\" data-cel-widget=\"productOverview_feature_div\">\n<div class=\"a-section a-spacing-small a-spacing-top-small\">\n<table class=\"a-normal a-spacing-micro\">\n<tbody>\n<tr class=\"a-spacing-small po-color\">\n<td class=\"a-span3\"><span class=\"a-size-base a-text-bold\">Color<\/span><\/td>\n<td class=\"a-span9\"><span class=\"a-size-base po-break-word\">Silver<\/span><\/td>\n<\/tr>\n<tr class=\"a-spacing-small po-brand\">\n<td class=\"a-span3\"><span class=\"a-size-base a-text-bold\">Brand<\/span><\/td>\n<td class=\"a-span9\"><span class=\"a-size-base po-break-word\">Omron<\/span><\/td>\n<\/tr>\n<tr class=\"a-spacing-small po-item_weight\">\n<td class=\"a-span3\"><span class=\"a-size-base a-text-bold\">Item Weight<\/span><\/td>\n<td class=\"a-span9\"><span class=\"a-size-base po-break-word\">1 Pounds<\/span><\/td>\n<\/tr>\n<tr class=\"a-spacing-small po-number_of_settings\">\n<td class=\"a-span3\"><span class=\"a-size-base a-text-bold\">Number of settings<\/span><\/td>\n<td class=\"a-span9\"><span class=\"a-size-base po-break-word\">1<\/span><\/td>\n<\/tr>\n<tr class=\"a-spacing-small po-manufacturer\">\n<td class=\"a-span3\"><span class=\"a-size-base a-text-bold\">Manufacturer<\/span><\/td>\n<td class=\"a-span9\"><span class=\"a-size-base po-break-word\">OMRON<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<div 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data-feature-name=\"featurebullets\" data-csa-c-type=\"widget\" data-csa-c-content-id=\"featurebullets\" data-csa-c-slot-id=\"featurebullets_feature_div\" data-csa-c-asin=\"B00DKYKMGK\" data-csa-c-is-in-initial-active-row=\"false\" data-csa-c-id=\"doytzu-ekx5c9-d2nk9j-t5xlay\" data-cel-widget=\"featurebullets_feature_div\">\n<div id=\"feature-bullets\" class=\"a-section a-spacing-medium a-spacing-top-small\">\n<hr class=\"a-divider-normal\" aria-hidden=\"true\" \/>\n<h1 class=\"a-size-base-plus a-text-bold\">About this item<\/h1>\n<ul class=\"a-unordered-list a-vertical a-spacing-mini\">\n<li class=\"a-spacing-mini\"><span class=\"a-list-item\">0.1 S-1200 H<\/span><\/li>\n<li class=\"a-spacing-mini\"><span class=\"a-list-item\">22.5 MM<\/span><\/li>\n<li class=\"a-spacing-mini\"><span class=\"a-list-item\">24-240 VAC\/DC<\/span><\/li>\n<li class=\"a-spacing-mini\"><span class=\"a-list-item\">8 MODE<\/span><\/li>\n<li class=\"a-spacing-mini\"><span class=\"a-list-item\">DIN RAIL MOUNT<\/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\">Product Dimensions \u200f : \u200e\u00a0<\/span>48 x 12 x 48 inches; 1 Pounds<\/span><\/li>\n<li><span class=\"a-list-item\"><span class=\"a-text-bold\">Item model number \u200f : \u200e\u00a0<\/span>H3DK-M2 AC\/DC24-240<\/span><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"featured_media":276,"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-275","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 H3DK-M2 AC\/DC24-240 0.1 S-1200 H, 22.5 MM, 24-240 VAC\/DC, 8 Mode, DIN Rail Mount, DPDT, H3DK Series, Timer OMRON Automation and Safety - Products<\/title>\n<meta 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