{"id":5360,"date":"2020-06-16T09:27:41","date_gmt":"2020-06-16T09:27:41","guid":{"rendered":"https:\/\/blog.uk.tdk-lambda.com\/uk\/?p=5360"},"modified":"2021-05-11T14:56:25","modified_gmt":"2021-05-11T14:56:25","slug":"what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules","status":"publish","type":"post","link":"https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/","title":{"rendered":"What is the internal voltage drop in DRM40 DIN rail redundancy modules?"},"content":{"rendered":"\r\n<p>The <a href=\"https:\/\/www.emea.lambda.tdk.com\/uk\/products\/product-details.aspx?scid=1415\">DRM40 series of 20-40A DIN rail redundancy power modules<\/a> use MOSFETs to block reverse currents for a low 200mV voltage drop. With a 40A load, the power loss is just 8W.<\/p>\r\n\r\n\r\n\r\n<p>A low internal voltage drop in a redundancy module is important for two reasons. It saves on energy costs, and reduces the voltage drop between the power supply and the load. A large voltage drop may require time-wasting adjustment of the power supply output voltages to compensate.<\/p>\r\n\r\n\r\n\r\n<p>More information about the key features and specifications are on the DRM40 datasheet found via this link: <a href=\"http:\/\/www.emea.lambda.tdk.com\/uk\/drm40\">www.emea.lambda.tdk.com\/uk\/drm40<\/a><\/p>\r\n\r\n\r\n\r\n<p><a href=\"https:\/\/www.emea.lambda.tdk.com\/uk\/products\/acdc-power-supplies\/?type=din-rail\">Click here<\/a> to find out more about TDK-Lambda\u2019s DIN rail ranges of AC-DC power supplies or you can narrow your search by using our <a href=\"https:\/\/www.emea.lambda.tdk.com\/uk\/products\/quick-product-finder.aspx\">Quick Product Finder<\/a>.<\/p>\r\n\r\n\r\n\r\n<p>If you have a question you\u2019d like to ask TDK-Lambda, <a href=\"https:\/\/www.emea.lambda.tdk.com\/uk\/faq\/ask.aspx\">please feel free to use the online FAQ form<\/a> and we\u2019ll get back to you with an answer to your question as soon as possible.<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>The DRM40 series of 20-40A DIN rail redundancy power modules use MOSFETs to block reverse currents for a low 200mV voltage drop. With a 40A load, the power loss is just 8W. A low internal voltage drop in a redundancy module is important for two reasons. It saves on energy costs, and reduces the voltage [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[107,1,22],"tags":[95],"class_list":["post-5360","post","type-post","status-publish","format-standard","hentry","category-drm40","category-power-supply-basics","category-products","tag-videos"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is the internal voltage drop in DRM40 DIN rail redundancy modules?<\/title>\n<meta name=\"description\" content=\"This blog looks at the internal voltage drop in TDK-Lambda&#039;s DRM40 DIN rail redundancy modules and explains why it matters.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is the internal voltage drop in DRM40 DIN rail redundancy modules?\" \/>\n<meta property=\"og:description\" content=\"This blog looks at the internal voltage drop in TDK-Lambda&#039;s DRM40 DIN rail redundancy modules and explains why it matters.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/\" \/>\n<meta property=\"og:site_name\" content=\"TDK-Lambda UK Blog\" \/>\n<meta property=\"article:published_time\" content=\"2020-06-16T09:27:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-05-11T14:56:25+00:00\" \/>\n<meta name=\"author\" content=\"Martin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Martin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/\"},\"author\":{\"name\":\"Martin\",\"@id\":\"https:\/\/blog.uk.tdk-lambda.com\/uk\/#\/schema\/person\/fed179538fc02d371b380786926a5095\"},\"headline\":\"What is the internal voltage drop in DRM40 DIN rail redundancy modules?\",\"datePublished\":\"2020-06-16T09:27:41+00:00\",\"dateModified\":\"2021-05-11T14:56:25+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/\"},\"wordCount\":181,\"commentCount\":0,\"keywords\":[\"Videos\"],\"articleSection\":[\"DRM40\",\"Power Supply Basics\",\"Products\"],\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/\",\"url\":\"https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/\",\"name\":\"What is the internal voltage drop in DRM40 DIN rail redundancy modules?\",\"isPartOf\":{\"@id\":\"https:\/\/blog.uk.tdk-lambda.com\/uk\/#website\"},\"datePublished\":\"2020-06-16T09:27:41+00:00\",\"dateModified\":\"2021-05-11T14:56:25+00:00\",\"author\":{\"@id\":\"https:\/\/blog.uk.tdk-lambda.com\/uk\/#\/schema\/person\/fed179538fc02d371b380786926a5095\"},\"description\":\"This blog looks at the internal voltage drop in TDK-Lambda's DRM40 DIN rail redundancy modules and explains why it matters.\",\"breadcrumb\":{\"@id\":\"https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/blog.uk.tdk-lambda.com\/uk\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"What is the internal voltage drop in DRM40 DIN rail redundancy modules?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blog.uk.tdk-lambda.com\/uk\/#website\",\"url\":\"https:\/\/blog.uk.tdk-lambda.com\/uk\/\",\"name\":\"TDK-Lambda UK Blog\",\"description\":\"TDK-Lambda EMEA Power Supply News\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/blog.uk.tdk-lambda.com\/uk\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/blog.uk.tdk-lambda.com\/uk\/#\/schema\/person\/fed179538fc02d371b380786926a5095\",\"name\":\"Martin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/secure.gravatar.com\/avatar\/2e1621406d4b5f8cbbb63de8b89774d92b1d23f8204d4605e75dc6599e961bcb?s=96&d=mm&r=g\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/2e1621406d4b5f8cbbb63de8b89774d92b1d23f8204d4605e75dc6599e961bcb?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/2e1621406d4b5f8cbbb63de8b89774d92b1d23f8204d4605e75dc6599e961bcb?s=96&d=mm&r=g\",\"caption\":\"Martin\"},\"url\":\"https:\/\/blog.uk.tdk-lambda.com\/uk\/author\/martin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"What is the internal voltage drop in DRM40 DIN rail redundancy modules?","description":"This blog looks at the internal voltage drop in TDK-Lambda's DRM40 DIN rail redundancy modules and explains why it matters.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/","og_locale":"en_GB","og_type":"article","og_title":"What is the internal voltage drop in DRM40 DIN rail redundancy modules?","og_description":"This blog looks at the internal voltage drop in TDK-Lambda's DRM40 DIN rail redundancy modules and explains why it matters.","og_url":"https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/","og_site_name":"TDK-Lambda UK Blog","article_published_time":"2020-06-16T09:27:41+00:00","article_modified_time":"2021-05-11T14:56:25+00:00","author":"Martin","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Martin","Estimated reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/#article","isPartOf":{"@id":"https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/"},"author":{"name":"Martin","@id":"https:\/\/blog.uk.tdk-lambda.com\/uk\/#\/schema\/person\/fed179538fc02d371b380786926a5095"},"headline":"What is the internal voltage drop in DRM40 DIN rail redundancy modules?","datePublished":"2020-06-16T09:27:41+00:00","dateModified":"2021-05-11T14:56:25+00:00","mainEntityOfPage":{"@id":"https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/"},"wordCount":181,"commentCount":0,"keywords":["Videos"],"articleSection":["DRM40","Power Supply Basics","Products"],"inLanguage":"en-GB","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/","url":"https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/","name":"What is the internal voltage drop in DRM40 DIN rail redundancy modules?","isPartOf":{"@id":"https:\/\/blog.uk.tdk-lambda.com\/uk\/#website"},"datePublished":"2020-06-16T09:27:41+00:00","dateModified":"2021-05-11T14:56:25+00:00","author":{"@id":"https:\/\/blog.uk.tdk-lambda.com\/uk\/#\/schema\/person\/fed179538fc02d371b380786926a5095"},"description":"This blog looks at the internal voltage drop in TDK-Lambda's DRM40 DIN rail redundancy modules and explains why it matters.","breadcrumb":{"@id":"https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/blog.uk.tdk-lambda.com\/uk\/2020\/06\/16\/what-is-the-internal-voltage-drop-in-drm40-din-rail-redundancy-modules\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/blog.uk.tdk-lambda.com\/uk\/"},{"@type":"ListItem","position":2,"name":"What is the internal voltage drop in DRM40 DIN rail redundancy modules?"}]},{"@type":"WebSite","@id":"https:\/\/blog.uk.tdk-lambda.com\/uk\/#website","url":"https:\/\/blog.uk.tdk-lambda.com\/uk\/","name":"TDK-Lambda UK Blog","description":"TDK-Lambda EMEA Power Supply News","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/blog.uk.tdk-lambda.com\/uk\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-GB"},{"@type":"Person","@id":"https:\/\/blog.uk.tdk-lambda.com\/uk\/#\/schema\/person\/fed179538fc02d371b380786926a5095","name":"Martin","image":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/secure.gravatar.com\/avatar\/2e1621406d4b5f8cbbb63de8b89774d92b1d23f8204d4605e75dc6599e961bcb?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/2e1621406d4b5f8cbbb63de8b89774d92b1d23f8204d4605e75dc6599e961bcb?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/2e1621406d4b5f8cbbb63de8b89774d92b1d23f8204d4605e75dc6599e961bcb?s=96&d=mm&r=g","caption":"Martin"},"url":"https:\/\/blog.uk.tdk-lambda.com\/uk\/author\/martin\/"}]}},"_links":{"self":[{"href":"https:\/\/blog.uk.tdk-lambda.com\/uk\/wp-json\/wp\/v2\/posts\/5360","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.uk.tdk-lambda.com\/uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.uk.tdk-lambda.com\/uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.uk.tdk-lambda.com\/uk\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.uk.tdk-lambda.com\/uk\/wp-json\/wp\/v2\/comments?post=5360"}],"version-history":[{"count":0,"href":"https:\/\/blog.uk.tdk-lambda.com\/uk\/wp-json\/wp\/v2\/posts\/5360\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.uk.tdk-lambda.com\/uk\/wp-json\/wp\/v2\/media?parent=5360"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.uk.tdk-lambda.com\/uk\/wp-json\/wp\/v2\/categories?post=5360"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.uk.tdk-lambda.com\/uk\/wp-json\/wp\/v2\/tags?post=5360"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}