{"id":18728,"date":"2026-10-26T09:00:00","date_gmt":"2026-10-26T08:00:00","guid":{"rendered":"https:\/\/tps-elektronik.com\/?p=18728"},"modified":"2026-10-15T10:24:54","modified_gmt":"2026-10-15T08:24:54","slug":"what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings","status":"publish","type":"post","link":"https:\/\/tps-elektronik.com\/en\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\/","title":{"rendered":"What Is a DIN Rail Power Supply Supplier for Building Automation Systems? and Why Is High Efficiency Critical for Reducing Energy Costs in Smart Buildings?"},"content":{"rendered":"<article class=\"blog-post\" lang=\"en\"><header>\n<p>System integrators, panel builders, and procurement teams in building automation rarely fail because they lack a control system design. They lose time\u2014and operating budget\u2014when the DIN rail power supply in a smart building control cabinet consumes more energy in no-load and part-load conditions than the entire control system it powers.<br \/>TPS Elektronik&#8217;s <a href=\"https:\/\/tps-elektronik.com\/en\/services\/ems\/mechatronics\/\">DIN rail power supply solutions for building automation<\/a> built to eliminate that risk: high-efficiency 24V DC outputs, low no-load power consumption, KNX bus compatibility, and compliance documentation aligned with EU Ecodesign requirements.<\/p>\n<p><a class=\"cta-primary\" href=\"https:\/\/tps-elektronik.com\/en\/services\/ems\/mechatronics\/\">Discuss your building automation power requirements with TPS \u2192<\/a><\/p>\n<\/header><nav class=\"toc\" aria-label=\"Table of contents\">\n<h2 id=\"toc\">Table of contents<\/h2>\n<ol>\n<li><a href=\"#what-is-din-rail-psu\">What is a DIN rail power supply for building automation?<\/a>\n<ol>\n<li><a href=\"#why-building-automation-differs\">Why building automation PSUs differ from general industrial supplies<\/a><\/li>\n<li><a href=\"#knx-requirements\">KNX bus power supply requirements<\/a><\/li>\n<\/ol>\n<\/li>\n<li><a href=\"#energy-efficiency\">Why high efficiency reduces energy costs in smart buildings<\/a>\n<ol>\n<li><a href=\"#no-load-losses\">No-load and standby losses: the hidden operating cost<\/a><\/li>\n<li><a href=\"#ecodesign\">EU Ecodesign Regulation 2019\/1782 and Efficiency Level VI<\/a><\/li>\n<\/ol>\n<\/li>\n<li><a href=\"#tps-solution\">TPS DIN rail power supply solutions for building automation<\/a><\/li>\n<li><a href=\"#faq\">FAQ<\/a><\/li>\n<\/ol>\n<\/nav>\n<section id=\"what-is-din-rail-psu\">\n<h2>1. What is a DIN rail power supply for building automation?<\/h2>\n<p>A <strong>DIN rail power supply<\/strong> for building automation is a compact, rail-mounted AC\/DC converter that delivers regulated DC voltage\u2014typically 24V DC\u2014to building control systems including HVAC controllers, lighting control modules, KNX bus devices, and access control systems. It mounts on standard 35mm DIN rail inside building control panels, occupying minimal cabinet space while providing the power backbone for the entire automation system.<\/p>\n<p>Buildings account for nearly 40% of global energy consumption, with approximately 40% of that consumed by HVAC systems and 15% by lighting. This concentration of energy demand means that every percentage point of efficiency improvement in building control infrastructure has a measurable impact on operating costs.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-18854\" src=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/10\/DIN-Rail-Power-Supply-Building-Automation-Control-Panel-1-1.jpg\" alt=\"DIN Rail Power Supply Building Automation Control Panel\" width=\"1920\" height=\"1079\" \/><\/p>\n<h3 id=\"why-building-automation-differs\">1.1 Why building automation PSUs differ from general industrial supplies<\/h3>\n<p>Building automation power supplies must satisfy requirements that general industrial DIN rail supplies often overlook:<\/p>\n<ul>\n<li><strong>DIN 43880 compliance<\/strong>: Building automation panels frequently use standardized enclosure dimensions defined by DIN 43880. Which requiring power supplies with specific height and width profiles that fit alongside circuit breakers and bus modules.<\/li>\n<li><strong>EN 61558-2-16 certification<\/strong>: This safety standard for switch mode power supply units with built-in transformers allows the PSU to be used without an external isolation transformer in control circuits, simplifying panel design and reducing component count.<\/li>\n<li><strong>Household approval (EN 60335)<\/strong>: For residential building automation applications, the power supply must be certified for household use. A requirement that industrial-only supplies do not meet.<\/li>\n<li><strong>Low no-load power consumption<\/strong>: Building automation systems operate continuously for years, often at low load. A power supply drawing 1W at no-load across 1,000 installed units wastes 8,760 kWh annually\u2014enough energy to power an average home for several months.<\/li>\n<\/ul>\n<h3 id=\"knx-requirements\">1.2 KNX bus power supply requirements<\/h3>\n<p>KNX is a widely adopted open standard for building automation, enabling seamless integration of lighting, heating, air conditioning, blinds, security, and energy management systems. The KNX power supplies generate the 30V DC SELV bus voltage and must incorporate an integrated choke to allow data communication on the same pair of conductors that carries power.<\/p>\n<p>KNX power supply variants are specified by their rated output current: 160mA, 320mA, 640mA, and 1,280mA. The 640mA and 1,280mA variants are most common in commercial building installations where a single line segment powers up to 64 KNX devices. Advanced KNX power supplies with active chokes dynamically adapt to the connected load. Which increasing bus efficiency and supporting transmission rates up to 1,900mA without magnetic saturation affecting communication.<\/p>\n<p><a class=\"cta-primary\" href=\"https:\/\/tps-elektronik.com\/en\/services\/ems\/mechatronics\/\">Explore TPS building automation power solutions \u2192<\/a><\/p>\n<\/section>\n<section id=\"energy-efficiency\">\n<h2>2. Why high efficiency reduces energy costs in smart buildings<\/h2>\n<p>The energy cost of a building automation power supply is not limited to its rated output power. It includes the energy consumed at no-load, the losses during part-load operation (which dominates building automation duty cycles). And the heat generated inside the control cabinet that must be removed by additional cooling.<\/p>\n<h3 id=\"no-load-losses\">2.1 No-load and standby losses: the hidden operating cost<\/h3>\n<p>Building automation power supplies spend the majority of their operational life at low load. HVAC controllers may draw full power only during peak demand periods; lighting controllers are largely idle during daylight hours; access control systems are intermittent. Yet the power supply itself operates continuously, and its no-load power consumption accumulates relentlessly.<\/p>\n<p>The difference between a power supply with 1W no-load consumption and one with 0.1W no-load consumption is 0.9W per unit. Across a building with 50 control panels, that is 45W of continuous wasted power\u2014394 kWh per year. Across a portfolio of 100 buildings, the waste exceeds 39 MWh annually. High-efficiency DIN rail power supplies achieve no-load losses as low as 0.1W to 0.3W, reducing this waste by 70% to 90%.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-18849\" src=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/10\/DIN-Rail-Power-Supply-No-Load-Consumption-Energy-Savings-2.jpg\" alt=\"DIN Rail Power Supply No-Load Consumption Energy Savings\" width=\"1920\" height=\"1079\" \/><\/p>\n<p>Part-load efficiency is equally important. A power supply that achieves 90% efficiency at full load but only 75% at 20% load\u2014a typical operating condition for building automation\u2014wastes more energy over a year than one rated at 88% full-load efficiency but 85% at 20% load. The EU Ecodesign Regulation 2019\/1782 addresses this by defining efficiency requirements across the load range, not just at full load.<\/p>\n<h3 id=\"ecodesign\">2.2 EU Ecodesign Regulation 2019\/1782 and Efficiency Level VI<\/h3>\n<p>Commission Regulation (EU) 2019\/1782 lays down ecodesign requirements for external power supplies, establishing maximum no-load power consumption and minimum average active efficiency thresholds. While the regulation formally applies to external power supplies, its efficiency framework has been adopted as the de facto benchmark for DIN rail power supplies in building automation.<\/p>\n<p>The equivalent U.S. standard is DOE Level VI, which sets similar requirements for external power supplies. DIN rail PSUs meeting Efficiency Level VI and Ecodesign requirements typically achieve:<\/p>\n<ul>\n<li>No-load power consumption \u22640.3W, with leading models achieving \u22640.1W<\/li>\n<li>Average active efficiency \u226587% across 25-100% load range<\/li>\n<li>Efficiency at 10% load \u226575%<\/li>\n<\/ul>\n<p>TPS&#8217;s DIN rail power supply portfolio is designed to meet these requirements, with models achieving efficiency levels that reduce both operating cost and internal cabinet heat generation.<\/p>\n<p>For a deeper examination of custom power supply design, see the <a href=\"https:\/\/tps-elektronik.com\/en\/custom-power-supply\/\">custom power supply resource<\/a> and the <a href=\"https:\/\/tps-elektronik.com\/en\/case-studies\/custom-power-supply-design-and-battery-test-systems\/\">custom power supply design case study<\/a>.<\/p>\n<p><a class=\"cta-primary\" href=\"https:\/\/tps-elektronik.com\/en\/services\/ems\/mechatronics\/\">Request a high-efficiency DIN rail PSU quotation \u2192<\/a><\/p>\n<\/section>\n<section id=\"tps-solution\">\n<h2>3. TPS DIN rail power supply solutions for building automation<\/h2>\n<p>TPS Elektronik operates as a <strong>DIN rail power supply supplier<\/strong> with a portfolio specifically configured for building automation and smart building applications. The product range includes the GP Series (10-100W), Pro Series (30-130W), and Peak-DR+ Series (100-320W), all supporting wide temperature operation.<\/p>\n<div class=\"product-tabs\">\n<div class=\"tab-nav\"><button class=\"tab-btn active\" data-tab=\"tab-ba\">Building Automation<\/button><br \/><button class=\"tab-btn\" data-tab=\"tab-knx\">KNX Bus Supply<\/button><br \/><button class=\"tab-btn\" data-tab=\"tab-hvac\">HVAC Control<\/button><\/div>\n<div id=\"tab-ba\" class=\"tab-content\">\n<h3>Building Automation Controllers<\/h3>\n<p>TPS DIN rail power supplies for building automation controllers deliver 24V DC with efficiency up to 87% and no-load consumption below 0.3W. The compact housing dimensions fit standard DIN 43880 enclosures alongside KNX modules and circuit breakers. Models are available with EN 61558-2-16 certification for direct control circuit use without external isolation transformers.<\/p>\n<\/div>\n<div id=\"tab-knx\" class=\"tab-content\" style=\"display: none;\">\n<h3>KNX Bus Power Supply<\/h3>\n<p>KNX-compatible power supplies generate the 30V DC SELV bus voltage with integrated choke for data communication. Available in 640mA and 1,280mA variants for commercial building installations. Active choke technology dynamically adapts to connected load, maintaining communication integrity up to 1,900mA transmission.<\/p>\n<\/div>\n<div id=\"tab-hvac\" class=\"tab-content\" style=\"display: none;\">\n<h3>HVAC Control Systems<\/h3>\n<p>HVAC controllers require reliable 24V DC power with wide temperature tolerance and resistance to mains fluctuations. TPS DIN rail power supplies for HVAC applications support wide-range AC input (85-264VAC) and operate from -25\u00b0C to +70\u00b0C, ensuring reliable operation in rooftop units, mechanical rooms, and other challenging environments.<\/p>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-18844\" src=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/10\/KNX-DIN-Rail-Power-Supply-Building-Automation-Architecture-3.jpg\" alt=\"KNX DIN Rail Power Supply Building Automation Architecture\" width=\"1920\" height=\"1079\" \/><\/p>\n<p>For related custom power supply and control system design resources, see the <a href=\"https:\/\/tps-elektronik.com\/en\/buck-boost-converter-design-pcb-layout-reliability\/\">buck-boost converter design guide<\/a> and the <a href=\"https:\/\/tps-elektronik.com\/en\/circuit-breaker-panel-design-software-design-pattern-ecad-mcad-fpga-integration\/\">circuit breaker panel design resource<\/a>.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-18839\" src=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/10\/DIN-Rail-Power-Supply-Supplier-RFQ-Engineering-Support-4.jpg\" alt=\"DIN Rail Power Supply Supplier RFQ Engineering Support\" width=\"1920\" height=\"1079\" \/><\/p>\n<p>To streamline quotation for <strong>DIN rail power supply supplier<\/strong> requirements, provide the following information:<\/p>\n<ul>\n<li><strong>Application type<\/strong>: Building automation controller, KNX bus, HVAC, lighting control, or access control<\/li>\n<li><strong>Output voltage and current<\/strong>: Required voltage (12V, 24V, 48V) and continuous current rating<\/li>\n<li><strong>Efficiency requirements<\/strong>: Target no-load consumption and part-load efficiency<\/li>\n<li><strong>Certification needs<\/strong>: EN 61558-2-16, EN 60335 (household), KNX compatibility, UL\/CE<\/li>\n<li><strong>Mounting and dimensions<\/strong>: DIN 43880 compatibility, available cabinet width<\/li>\n<li><strong>Quantity and project scale<\/strong>: Prototype, pilot, and series production volumes<\/li>\n<\/ul>\n<p><a class=\"cta-primary\" href=\"https:\/\/tps-elektronik.com\/en\/services\/ems\/mechatronics\/\">Submit your DIN rail PSU RFQ \u2192<\/a><\/p>\n<\/section>\n<section id=\"faq\">\n<h2>4. FAQ<\/h2>\n<div>\n<h3>What is the difference between a building automation DIN rail PSU and a general industrial power supply?<\/h3>\n<div>\n<div>Building automation DIN rail power supplies typically require additional certifications (EN 61558-2-16, EN 60335 for household use), DIN 43880 enclosure compatibility, and lower no-load power consumption. They also frequently need KNX bus compatibility with integrated chokes for data communication on the power conductors.<\/div>\n<\/div>\n<h3>Why does no-load power consumption matter for building automation?<\/h3>\n<div>\n<div>Building automation power supplies operate continuously, often at low load. A power supply drawing 1W at no-load across 1,000 units wastes 8,760 kWh annually. High-efficiency models with \u22640.3W no-load consumption reduce this waste by 70% or more, delivering measurable energy cost savings across a building portfolio.<\/div>\n<\/div>\n<h3>What KNX power supply current rating do I need?<\/h3>\n<div>\n<div>KNX power supply variants are specified at 160mA, 320mA, 640mA, and 1,280mA. For commercial building installations with up to 64 KNX devices per line segment, a 640mA or 1,280mA supply is typically required. The 1,280mA variant may not be paralleled with additional KNX power supplies.<\/div>\n<\/div>\n<h3>Does TPS provide DIN rail power supplies with KNX compatibility?<\/h3>\n<div>\n<div>TPS can supply KNX-compatible DIN rail power supplies with integrated chokes for 30V DC bus voltage and data communication. The <a href=\"https:\/\/tps-elektronik.com\/en\/services\/ems\/mechatronics\/\">mechatronics service<\/a> supports KNX power supply selection and configuration for building automation projects.<\/div>\n<\/div>\n<\/div>\n<\/section>\n<footer style=\"background: #2d5797; padding: 30px; border-radius: 14px; margin-top: 40px;\">\n<p style=\"color: #ffffff; font-size: 16px; line-height: 1.6; margin: 0;\"><strong>Ready to reduce energy costs in your smart building projects?<\/strong><br \/>Contact TPS Elektronik for high-efficiency DIN rail power supplies with low no-load consumption, KNX compatibility, and EN 61558-2-16 certification\u2014from prototype to series production.<br \/><a style=\"color: #ffffff; font-weight: 600; text-decoration: underline;\" href=\"https:\/\/tps-elektronik.com\/en\/services\/ems\/mechatronics\/\">Request your DIN rail PSU consultation \u2192<\/a><\/p>\n<\/footer><\/article>\n\n<style id=\"wpforms-css-vars-4659-block-538e0a28-067b-4d4d-81ea-7014b41dda9d\">\n\t\t\t\t#wpforms-4659.wpforms-block-538e0a28-067b-4d4d-81ea-7014b41dda9d {\n\t\t\t\t--wpforms-field-size-input-height: 43px;\n--wpforms-field-size-input-spacing: 15px;\n--wpforms-field-size-font-size: 16px;\n--wpforms-field-size-line-height: 19px;\n--wpforms-field-size-padding-h: 14px;\n--wpforms-field-size-checkbox-size: 16px;\n--wpforms-field-size-sublabel-spacing: 5px;\n--wpforms-field-size-icon-size: 1;\n--wpforms-label-size-font-size: 16px;\n--wpforms-label-size-line-height: 19px;\n--wpforms-label-size-sublabel-font-size: 14px;\n--wpforms-label-size-sublabel-line-height: 17px;\n--wpforms-button-size-font-size: 17px;\n--wpforms-button-size-height: 41px;\n--wpforms-button-size-padding-h: 15px;\n--wpforms-button-size-margin-top: 10px;\n\t\t\t}\n\t\t\t<\/style><div class=\"wpforms-container wpforms-container-full wpforms-block wpforms-block-538e0a28-067b-4d4d-81ea-7014b41dda9d wpforms-render-modern\" id=\"wpforms-4659\"><form id=\"wpforms-form-4659\" class=\"wpforms-validate wpforms-form wpforms-ajax-form\" data-formid=\"4659\" method=\"post\" enctype=\"multipart\/form-data\" action=\"\/en\/wp-json\/wp\/v2\/posts\/18728\" data-token=\"214b2921af0efeb5daab2cdffcbcc98e\" data-token-time=\"1793012406\"><noscript class=\"wpforms-error-noscript\">Please enable JavaScript in your browser to complete this form.<\/noscript><div id=\"wpforms-error-noscript\" style=\"display: none;\">Please enable JavaScript in your browser to complete this form.<\/div><div class=\"wpforms-field-container\">\t\t<div id=\"wpforms-4659-field_5-container\"\n\t\t\tclass=\"wpforms-field wpforms-field-text\"\n\t\t\tdata-field-type=\"text\"\n\t\t\tdata-field-id=\"5\"\n\t\t\t>\n\t\t\t<label class=\"wpforms-field-label\" for=\"wpforms-4659-field_5\" >Message Company Name<\/label>\n\t\t\t<input type=\"text\" id=\"wpforms-4659-field_5\" class=\"wpforms-field-medium\" name=\"wpforms[fields][5]\" >\n\t\t<\/div>\n\t\t<div id=\"wpforms-4659-field_1-container\" class=\"wpforms-field wpforms-field-name\" data-field-id=\"1\"><fieldset><legend class=\"wpforms-field-label\">Name <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span><\/legend><div class=\"wpforms-field-row wpforms-field-large\"><div class=\"wpforms-field-row-block wpforms-first wpforms-one-half\"><input type=\"text\" id=\"wpforms-4659-field_1\" class=\"wpforms-field-name-first wpforms-field-required\" name=\"wpforms[fields][1][first]\" aria-errormessage=\"wpforms-4659-field_1-error\" required><label for=\"wpforms-4659-field_1\" class=\"wpforms-field-sublabel after\">First<\/label><\/div><div class=\"wpforms-field-row-block wpforms-one-half\"><input type=\"text\" id=\"wpforms-4659-field_1-last\" class=\"wpforms-field-name-last wpforms-field-required\" name=\"wpforms[fields][1][last]\" aria-errormessage=\"wpforms-4659-field_1-last-error\" required><label for=\"wpforms-4659-field_1-last\" class=\"wpforms-field-sublabel after\">Last<\/label><\/div><\/div><\/fieldset><\/div><div id=\"wpforms-4659-field_4-container\" class=\"wpforms-field wpforms-field-text\" data-field-id=\"4\"><label class=\"wpforms-field-label\" for=\"wpforms-4659-field_4\">Company <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span><\/label><input type=\"text\" id=\"wpforms-4659-field_4\" class=\"wpforms-field-large wpforms-field-required\" name=\"wpforms[fields][4]\" aria-errormessage=\"wpforms-4659-field_4-error\" required><\/div><div id=\"wpforms-4659-field_2-container\" class=\"wpforms-field wpforms-field-email\" data-field-id=\"2\"><label class=\"wpforms-field-label\" for=\"wpforms-4659-field_2\">Email <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span><\/label><input type=\"email\" id=\"wpforms-4659-field_2\" class=\"wpforms-field-large wpforms-field-required\" name=\"wpforms[fields][2]\" spellcheck=\"false\" aria-errormessage=\"wpforms-4659-field_2-error\" required><\/div><div id=\"wpforms-4659-field_3-container\" class=\"wpforms-field wpforms-field-textarea\" data-field-id=\"3\"><label class=\"wpforms-field-label\" for=\"wpforms-4659-field_3\">Comment or Message<\/label><textarea id=\"wpforms-4659-field_3\" class=\"wpforms-field-medium\" name=\"wpforms[fields][3]\" aria-errormessage=\"wpforms-4659-field_3-error\" ><\/textarea><\/div><div id=\"wpforms-4659-field_6-container\" class=\"wpforms-field wpforms-field-checkbox\" data-field-id=\"6\"><fieldset><legend class=\"wpforms-field-label wpforms-label-hide\" aria-hidden=\"false\">Checkbox <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span><\/legend><ul id=\"wpforms-4659-field_6\" class=\"wpforms-field-required\"><li class=\"choice-1 depth-1 wpforms-selected\"><input type=\"checkbox\" id=\"wpforms-4659-field_6_1\" name=\"wpforms[fields][6][]\" value=\"I agree to the processing of my information for the purpose of creating a quote.\" aria-errormessage=\"wpforms-4659-field_6_1-error\" aria-describedby=\"wpforms-4659-field_6-description\" required  checked='checked'><label class=\"wpforms-field-label-inline\" for=\"wpforms-4659-field_6_1\">I agree to the processing of my information for the purpose of creating a quote.<\/label><\/li><\/ul><div id=\"wpforms-4659-field_6-description\" class=\"wpforms-field-description\">For information see Privacy.<\/div><\/fieldset><\/div><script>\n\t\t\t\t( function() {\n\t\t\t\t\tconst style = document.createElement( 'style' );\n\t\t\t\t\tstyle.appendChild( document.createTextNode( '#wpforms-4659-field_5-container { position: absolute !important; overflow: hidden !important; display: inline !important; height: 1px !important; width: 1px !important; z-index: -1000 !important; padding: 0 !important; } #wpforms-4659-field_5-container input { visibility: hidden; } #wpforms-conversational-form-page #wpforms-4659-field_5-container label { counter-increment: none; }' ) );\n\t\t\t\t\tdocument.head.appendChild( style );\n\t\t\t\t\tdocument.currentScript?.remove();\n\t\t\t\t} )();\n\t\t\t<\/script><\/div><!-- .wpforms-field-container --><div class=\"wpforms-recaptcha-container wpforms-is-turnstile\" ><div class=\"wpforms-turnstile\" data-sitekey=\"0x4AAAAAAFUTE-Rr1O4nxKnU\" data-action=\"FormID-4659\"><\/div><input type=\"text\" name=\"g-recaptcha-hidden\" class=\"wpforms-recaptcha-hidden\" style=\"position:absolute!important;clip:rect(0,0,0,0)!important;height:1px!important;width:1px!important;border:0!important;overflow:hidden!important;padding:0!important;margin:0!important;\" data-rule-turnstile=\"1\"><\/div><div class=\"wpforms-submit-container\" ><input type=\"hidden\" name=\"wpforms[id]\" value=\"4659\"><input type=\"hidden\" name=\"wpforms[time_token]\" value=\"1793012406.3fc3fa669a07b12b494438e70faf2c3d78a2e6087aafb13bd1916d152a774db2\"><input type=\"hidden\" name=\"page_title\" value=\"\"><input type=\"hidden\" name=\"page_url\" value=\"https:\/\/tps-elektronik.com\/en\/wp-json\/wp\/v2\/posts\/18728\"><input type=\"hidden\" name=\"url_referer\" value=\"\"><button type=\"submit\" name=\"wpforms[submit]\" id=\"wpforms-submit-4659\" class=\"wpforms-submit\" data-alt-text=\"Sending...\" data-submit-text=\"Submit\" aria-live=\"assertive\" value=\"wpforms-submit\">Submit<\/button><img decoding=\"async\" src=\"https:\/\/tps-elektronik.com\/wp-content\/plugins\/wpforms-lite\/assets\/images\/submit-spin.svg\" class=\"wpforms-submit-spinner\" style=\"display: none;\" width=\"26\" height=\"26\" alt=\"Loading\"><\/div><\/form><\/div>  <!-- .wpforms-container -->\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>System integrators, panel builders, and procurement teams in building automation rarely fail because they lack a control system design. They lose time\u2014and operating budget\u2014when the DIN rail power supply in a smart building control cabinet consumes more energy in no-load and part-load conditions than the entire control system it powers.TPS Elektronik&#8217;s DIN rail power supply\u2026 <a href=\"https:\/\/tps-elektronik.com\/en\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\/\">Read More &raquo;<\/a><\/p>\n","protected":false},"author":9,"featured_media":18854,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[58],"tags":[],"class_list":["post-18728","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>TPS DIN Rail Power Supply Supplier - TPS<\/title>\n<meta name=\"description\" content=\"DIN rail power supply supplier for building automation ensures smart building energy efficiency. Low no-load power, Level VI compliance.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tps-elektronik.com\/en\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TPS DIN Rail Power Supply Supplier - TPS\" \/>\n<meta property=\"og:description\" content=\"DIN rail power supply supplier for building automation ensures smart building energy efficiency. Low no-load power, Level VI compliance.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tps-elektronik.com\/en\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\/\" \/>\n<meta property=\"og:site_name\" content=\"TPS\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-26T08:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/10\/DIN-Rail-Power-Supply-Building-Automation-Control-Panel-1-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1079\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Tang Marcus\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Tang Marcus\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\\\/\"},\"author\":{\"name\":\"Tang Marcus\",\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/#\\\/schema\\\/person\\\/2c19fd053095d0c1ae253e8e62427b8c\"},\"headline\":\"What Is a DIN Rail Power Supply Supplier for Building Automation Systems? and Why Is High Efficiency Critical for Reducing Energy Costs in Smart Buildings?\",\"datePublished\":\"2026-10-26T08:00:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\\\/\"},\"wordCount\":1560,\"image\":{\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/tps-elektronik.com\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/DIN-Rail-Power-Supply-Building-Automation-Control-Panel-1-1.jpg\",\"articleSection\":[\"News\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\\\/\",\"url\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\\\/\",\"name\":\"TPS DIN Rail Power Supply Supplier - TPS\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/tps-elektronik.com\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/DIN-Rail-Power-Supply-Building-Automation-Control-Panel-1-1.jpg\",\"datePublished\":\"2026-10-26T08:00:00+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/#\\\/schema\\\/person\\\/2c19fd053095d0c1ae253e8e62427b8c\"},\"description\":\"DIN rail power supply supplier for building automation ensures smart building energy efficiency. Low no-load power, Level VI compliance.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\\\/#primaryimage\",\"url\":\"https:\\\/\\\/tps-elektronik.com\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/DIN-Rail-Power-Supply-Building-Automation-Control-Panel-1-1.jpg\",\"contentUrl\":\"https:\\\/\\\/tps-elektronik.com\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/DIN-Rail-Power-Supply-Building-Automation-Control-Panel-1-1.jpg\",\"width\":1920,\"height\":1079,\"caption\":\"DIN Rail Power Supply Building Automation Control Panel\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Startseite\",\"item\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"What Is a DIN Rail Power Supply Supplier for Building Automation Systems? and Why Is High Efficiency Critical for Reducing Energy Costs in Smart Buildings?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/\",\"name\":\"TPS\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/tps-elektronik.com\\\/en\\\/#\\\/schema\\\/person\\\/2c19fd053095d0c1ae253e8e62427b8c\",\"name\":\"Tang Marcus\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"TPS DIN Rail Power Supply Supplier - TPS","description":"DIN rail power supply supplier for building automation ensures smart building energy efficiency. Low no-load power, Level VI compliance.","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:\/\/tps-elektronik.com\/en\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\/","og_locale":"en_US","og_type":"article","og_title":"TPS DIN Rail Power Supply Supplier - TPS","og_description":"DIN rail power supply supplier for building automation ensures smart building energy efficiency. Low no-load power, Level VI compliance.","og_url":"https:\/\/tps-elektronik.com\/en\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\/","og_site_name":"TPS","article_published_time":"2026-10-26T08:00:00+00:00","og_image":[{"width":1920,"height":1079,"url":"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/10\/DIN-Rail-Power-Supply-Building-Automation-Control-Panel-1-1.jpg","type":"image\/jpeg"}],"author":"Tang Marcus","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Tang Marcus","Est. reading time":"8 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/tps-elektronik.com\/en\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\/#article","isPartOf":{"@id":"https:\/\/tps-elektronik.com\/en\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\/"},"author":{"name":"Tang Marcus","@id":"https:\/\/tps-elektronik.com\/en\/#\/schema\/person\/2c19fd053095d0c1ae253e8e62427b8c"},"headline":"What Is a DIN Rail Power Supply Supplier for Building Automation Systems? and Why Is High Efficiency Critical for Reducing Energy Costs in Smart Buildings?","datePublished":"2026-10-26T08:00:00+00:00","mainEntityOfPage":{"@id":"https:\/\/tps-elektronik.com\/en\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\/"},"wordCount":1560,"image":{"@id":"https:\/\/tps-elektronik.com\/en\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\/#primaryimage"},"thumbnailUrl":"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/10\/DIN-Rail-Power-Supply-Building-Automation-Control-Panel-1-1.jpg","articleSection":["News"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/tps-elektronik.com\/en\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\/","url":"https:\/\/tps-elektronik.com\/en\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\/","name":"TPS DIN Rail Power Supply Supplier - TPS","isPartOf":{"@id":"https:\/\/tps-elektronik.com\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/tps-elektronik.com\/en\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\/#primaryimage"},"image":{"@id":"https:\/\/tps-elektronik.com\/en\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\/#primaryimage"},"thumbnailUrl":"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/10\/DIN-Rail-Power-Supply-Building-Automation-Control-Panel-1-1.jpg","datePublished":"2026-10-26T08:00:00+00:00","author":{"@id":"https:\/\/tps-elektronik.com\/en\/#\/schema\/person\/2c19fd053095d0c1ae253e8e62427b8c"},"description":"DIN rail power supply supplier for building automation ensures smart building energy efficiency. Low no-load power, Level VI compliance.","breadcrumb":{"@id":"https:\/\/tps-elektronik.com\/en\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/tps-elektronik.com\/en\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/tps-elektronik.com\/en\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\/#primaryimage","url":"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/10\/DIN-Rail-Power-Supply-Building-Automation-Control-Panel-1-1.jpg","contentUrl":"https:\/\/tps-elektronik.com\/wp-content\/uploads\/2026\/10\/DIN-Rail-Power-Supply-Building-Automation-Control-Panel-1-1.jpg","width":1920,"height":1079,"caption":"DIN Rail Power Supply Building Automation Control Panel"},{"@type":"BreadcrumbList","@id":"https:\/\/tps-elektronik.com\/en\/what-is-a-din-rail-power-supply-supplier-for-building-automation-systems-and-why-is-high-efficiency-critical-for-reducing-energy-costs-in-smart-buildings\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Startseite","item":"https:\/\/tps-elektronik.com\/en\/"},{"@type":"ListItem","position":2,"name":"What Is a DIN Rail Power Supply Supplier for Building Automation Systems? and Why Is High Efficiency Critical for Reducing Energy Costs in Smart Buildings?"}]},{"@type":"WebSite","@id":"https:\/\/tps-elektronik.com\/en\/#website","url":"https:\/\/tps-elektronik.com\/en\/","name":"TPS","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/tps-elektronik.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/tps-elektronik.com\/en\/#\/schema\/person\/2c19fd053095d0c1ae253e8e62427b8c","name":"Tang Marcus"}]}},"_links":{"self":[{"href":"https:\/\/tps-elektronik.com\/en\/wp-json\/wp\/v2\/posts\/18728","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tps-elektronik.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tps-elektronik.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tps-elektronik.com\/en\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/tps-elektronik.com\/en\/wp-json\/wp\/v2\/comments?post=18728"}],"version-history":[{"count":3,"href":"https:\/\/tps-elektronik.com\/en\/wp-json\/wp\/v2\/posts\/18728\/revisions"}],"predecessor-version":[{"id":18861,"href":"https:\/\/tps-elektronik.com\/en\/wp-json\/wp\/v2\/posts\/18728\/revisions\/18861"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tps-elektronik.com\/en\/wp-json\/wp\/v2\/media\/18854"}],"wp:attachment":[{"href":"https:\/\/tps-elektronik.com\/en\/wp-json\/wp\/v2\/media?parent=18728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tps-elektronik.com\/en\/wp-json\/wp\/v2\/categories?post=18728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tps-elektronik.com\/en\/wp-json\/wp\/v2\/tags?post=18728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}