{"id":20487,"date":"2026-10-31T10:22:02","date_gmt":"2026-10-31T02:22:02","guid":{"rendered":"https:\/\/www.wehopower.com\/news\/24v-din-rail-power-supply-115v-230v-common-bom\/"},"modified":"2026-10-31T10:22:02","modified_gmt":"2026-10-31T02:22:02","slug":"24v-din-rail-power-supply-115v-230v-common-bom","status":"publish","type":"news","link":"https:\/\/www.wehopower.com\/tl\/news\/24v-din-rail-power-supply-115v-230v-common-bom\/","title":{"rendered":"24 V DIN Rail Power Supply: Release One BOM for 115 V and 230 V"},"content":{"rendered":"<div class=\"weho-blog-content\">\n<p><strong>For one 24 V DIN rail power supply BOM used in both 115 V and 230 V equipment, compare the documented output capability at each input condition before approving a common part.<\/strong> A broad AC input range says which supply conditions the unit accepts. It does not necessarily promise the same output current throughout that range.<\/p>\n<details class=\"article-toc\" open>\n<summary>On this page<\/summary>\n<ol class=\"toc-list\">\n<li><a href=\"#read-the-two-rows-for-the-exact-output-variant\">Read the two rows for the exact output variant<\/a><\/li>\n<li><a href=\"#test-a-common-load-against-both-entries\">Test a common load against both entries<\/a><\/li>\n<li><a href=\"#choose-the-bom-action-before-ordering-common-stock\">Choose the BOM action before ordering common stock<\/a><\/li>\n<li><a href=\"#carry-the-same-conditions-into-sample-validation\">Carry the same conditions into sample validation<\/a><\/li>\n<li><a href=\"#keep-the-incoming-check-tied-to-the-approved-configuration\">Keep the incoming check tied to the approved configuration<\/a><\/li>\n<\/ol>\n<\/details>\n<p>This is a release task for an export-equipment engineer or buyer: can the same identified assembly support the same controlled load in both market configurations? Keep the input-conditioned current table with the BOM instead of relying on the wattage in the series name.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Talaan ng mga Nilalaman<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">I-toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.wehopower.com\/tl\/news\/24v-din-rail-power-supply-115v-230v-common-bom\/#Read_the_two_rows_for_the_exact_output_variant\" >Read the two rows for the exact output variant<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.wehopower.com\/tl\/news\/24v-din-rail-power-supply-115v-230v-common-bom\/#Test_a_common_load_against_both_entries\" >Test a common load against both entries<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.wehopower.com\/tl\/news\/24v-din-rail-power-supply-115v-230v-common-bom\/#Choose_the_BOM_action_before_ordering_common_stock\" >Choose the BOM action before ordering common stock<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.wehopower.com\/tl\/news\/24v-din-rail-power-supply-115v-230v-common-bom\/#Carry_the_same_conditions_into_sample_validation\" >Carry the same conditions into sample validation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.wehopower.com\/tl\/news\/24v-din-rail-power-supply-115v-230v-common-bom\/#Keep_the_incoming_check_tied_to_the_approved_configuration\" >Keep the incoming check tied to the approved configuration<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"read-the-two-rows-for-the-exact-output-variant\"><span class=\"ez-toc-section\" id=\"Read_the_two_rows_for_the_exact_output_variant\"><\/span>Read the two rows for the exact output variant<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The <a href=\"https:\/\/www.wehopower.com\/tl\/product\/silm-size-hdr-150-150w-din-rail-switching-power-supply\/\" data-link-role=\"product\" data-model=\"HDR-150-24\">WEHO HDR-150-24<\/a> illustrates the document check. In the publicly linked <a href=\"https:\/\/www.wehopower.com\/wp-content\/uploads\/2025\/07\/HDR-1502.pdf\">HDR-1502.pdf specification<\/a>, its 24 V column lists <strong>0\u20135.31 A at 115 V AC<\/strong> and <strong>0\u20136.25 A at 230 V AC<\/strong>. Those two entries must remain associated with their stated input conditions.<\/p>\n<figure class=\"product-reference product-scene\" id=\"figure-hdr150-product\"><a class=\"product-image scene-product-image\" href=\"https:\/\/www.wehopower.com\/tl\/product\/silm-size-hdr-150-150w-din-rail-switching-power-supply\/\" aria-label=\"HDR-150-24 product details\"><img loading=\"lazy\" src=\"https:\/\/www.wehopower.com\/wp-content\/uploads\/2026\/10\/72-hdr150-product-scene-edge-v7.jpg\" width=\"1254\" height=\"1254\" alt=\"24 V DIN Rail Power Supply: Release One BOM for 115 V and 230 V  title=\" decoding=\"async\" 24 din rail power supply: release one bom for 115 and 230 title =\"\"><\/a><figcaption>Application illustration; exact original product photograph retained, environment AI-assisted, not a customer installation or test. HDR-150-24 retains the rail already visible in its original photograph. The OEM preparation scene does not establish operation under either input condition.<\/figcaption><div class=\"image-actions\"><a href=\"https:\/\/www.wehopower.com\/wp-content\/uploads\/2026\/10\/72-hdr150-product-original.jpg\">View unchanged original product photograph<\/a><a href=\"https:\/\/www.wehopower.com\/wp-content\/uploads\/2026\/10\/72-hdr150-product-scene-edge-v7.jpg\">View full-size application illustration<\/a><a href=\"https:\/\/www.wehopower.com\/tl\/product\/silm-size-hdr-150-150w-din-rail-switching-power-supply\/\">HDR-150-24 product details<\/a><a href=\"https:\/\/www.wehopower.com\/wp-content\/uploads\/2026\/10\/72-hdr150-product-scene-edge-v7-layers.svg\">Inspect illustration layers (SVG)<\/a><a href=\"https:\/\/www.wehopower.com\/wp-content\/uploads\/2025\/07\/HDR-1502.pdf\">HDR-150-24 documentation<\/a><\/div>\n<\/figure>\n<p>The photographed nameplate also marks <strong>5.31 A, 127.4 W max. for 100\u2013120 VAC<\/strong> and <strong>6.25 A, 150 W max. for 200\u2013240 VAC<\/strong>. HDR-1502.pdf presents its current rows at the nominal 115 V AC and 230 V AC checkpoints. Keep each source&#8217;s stated input conditions with its entry; a photograph does not replace the applicable specification or fill gaps between documented operating conditions. If a delivered label, quotation or another revision states a different current or ambient limit, obtain clarification for that exact assembly before release. Do not choose whichever document gives the larger number.<\/p>\n<h2 id=\"test-a-common-load-against-both-entries\"><span class=\"ez-toc-section\" id=\"Test_a_common_load_against_both_entries\"><\/span>Test a common load against both entries<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Hypothetical project example:<\/strong> an equipment design requires a maximum simultaneous steady current of 5.50 A at 24 V, or 132 W. Assume that this is the complete load budget before checking startup, temperature or other limits. This figure is an example requirement, not a test result or a rating assigned to the product.<\/p>\n<div class=\"weho-table-wrap\" tabindex=\"0\" role=\"region\" aria-label=\"Scrollable article table\">\n<table>\n<thead>\n<tr>\n<th>Input condition in HDR-1502.pdf<\/th>\n<th>Listed 24 V output current<\/th>\n<th>Comparison with the assumed 5.50 A load<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>115 V AC<\/td>\n<td>5.31 A<\/td>\n<td>Load exceeds the entry by 0.19 A, equivalent to 4.56 W at 24 V<\/td>\n<\/tr>\n<tr>\n<td>230 V AC<\/td>\n<td>6.25 A<\/td>\n<td>Arithmetic difference is 0.75 A, equivalent to 18 W at 24 V<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>On this document basis, the 115 V configuration fails the initial current screen. The 230 V configuration clears only that screen; the 0.75 A difference is not a general reserve or proof of thermal suitability. Consequently, the assumed 5.50 A equipment load cannot be approved for both configurations by citing this table alone.<\/p>\n<p>At 24 V, the 115 V entry corresponds to 24 \u00d7 5.31 = <strong>127.44 W<\/strong>, while the 230 V entry corresponds to 150 W. These calculations explain why the series&#8217; 150 W description cannot be treated as an unconditional output allowance. The article does not infer a current limit at an unlisted intermediate input voltage.<\/p>\n<figure class=\"article-relation concept-diagram\" id=\"figure-two-input-release\"><a href=\"https:\/\/www.wehopower.com\/wp-content\/uploads\/2026\/10\/72-two-input-release-v10.svg\" aria-label=\"Open full-size A common BOM must clear both input conditions diagram\"><picture><source media=\"(max-width:640px)\" srcset=\"https:\/\/www.wehopower.com\/wp-content\/uploads\/2026\/10\/72-two-input-release-v10-mobile.svg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.wehopower.com\/wp-content\/uploads\/2026\/10\/72-two-input-release-v10.svg\" width=\"1200\" height=\"451\" alt=\"24 V DIN Rail Power Supply: Release One BOM for 115 V and 230 V  title=\" 24 din rail power supply: release one bom for 115 and 230 title =\"\"><\/picture><\/a><figcaption>Concept release comparison; the 5.50 A project load is hypothetical. The source document entries are 5.31 A at 115 V AC and 6.25 A at 230 V AC for its HDR-150-24 column.<\/figcaption><a class=\"diagram-original\" href=\"https:\/\/www.wehopower.com\/wp-content\/uploads\/2026\/10\/72-two-input-release-v10.svg\">Open full-size diagram<\/a><\/figure>\n<h2 id=\"choose-the-bom-action-before-ordering-common-stock\"><span class=\"ez-toc-section\" id=\"Choose_the_BOM_action_before_ordering_common_stock\"><\/span>Choose the BOM action before ordering common stock<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>There are several possible responses to a failed input-condition screen. Engineering could reduce the controlled load if the equipment requirements allow it, review a different candidate with documented capability at both inputs, or maintain separately qualified configurations. The decision belongs in the release record; purchasing should not create it by accepting a higher-wattage description in a quotation.<\/p>\n<p>If one common source is still the goal, request the maximum permitted continuous current over the project&#8217;s actual AC range, temperature and mounting conditions. Identify any required settings or installation restrictions. A general statement that a unit operates on both market voltages does not close an output-capability question.<\/p>\n<h2 id=\"carry-the-same-conditions-into-sample-validation\"><span class=\"ez-toc-section\" id=\"Carry_the_same_conditions_into_sample_validation\"><\/span>Carry the same conditions into sample validation<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Define the source conditions at the power supply terminals, including the relevant normal input extremes for each equipment configuration. A nominal 115 V bench test and a nominal 230 V test are useful checkpoints, but do not by themselves cover all permitted supply conditions. Use the manufacturer&#8217;s confirmed operating envelope to choose the remaining points.<\/p>\n<p>Retain the assembled enclosure, mounting orientation, nearby heat sources and load state in the record. Record startup and the equipment&#8217;s required sequence separately from continuous-current capability. A successful room-temperature start does not resolve the maximum sustained load in a closed cabinet.<\/p>\n<div class=\"weho-table-wrap\" tabindex=\"0\" role=\"region\" aria-label=\"Scrollable article table\">\n<table>\n<thead>\n<tr>\n<th>Common-BOM evidence<\/th>\n<th>Required association<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Identity<\/td>\n<td>Exact model, delivered assembly revision, nameplate and controlling specification<\/td>\n<\/tr>\n<tr>\n<td>Electrical envelope<\/td>\n<td>Each market&#8217;s AC conditions and maximum simultaneous DC demand<\/td>\n<\/tr>\n<tr>\n<td>Installation envelope<\/td>\n<td>Mounting, cooling conditions, ambient assumptions and permitted current<\/td>\n<\/tr>\n<tr>\n<td>Validation<\/td>\n<td>Test configuration, observations and disposition for each market variant<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 id=\"keep-the-incoming-check-tied-to-the-approved-configuration\"><span class=\"ez-toc-section\" id=\"Keep_the_incoming_check_tied_to_the_approved_configuration\"><\/span>Keep the incoming check tied to the approved configuration<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Give receiving inspection the identity and document references used in the decision. An exterior similarity or unchanged family name is insufficient if the source revision or input-dependent rating changes. Keep any manufacturer clarification with the approved part record so the next buyer does not reopen the same ambiguity.<\/p>\n<p><a href=\"https:\/\/www.wehopower.com\/tl\/contact\/\">Ask WEHO to review your 115 V and 230 V load matrix<\/a> with the proposed HDR-150-24 revision. Include the complete current schedule and installation conditions. Request an identified capability record before deciding whether a shared BOM or separate qualified configurations are appropriate.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Check the current entry at each AC input condition before approving one 24 V source for both market configurations. A 150 W family name does not settle that release.<\/p>","protected":false},"author":2,"featured_media":20453,"parent":0,"menu_order":75,"comment_status":"","ping_status":"","template":"","format":"standard","meta":{"_acf_changed":false,"_joinchat":[],"footnotes":""},"news_category":[284],"class_list":["post-20487","news","type-news","status-publish","format-standard","has-post-thumbnail","hentry","news_category-product-articles","entry"],"acf":[],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.wehopower.com\/tl\/wp-json\/wp\/v2\/news\/20487","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wehopower.com\/tl\/wp-json\/wp\/v2\/news"}],"about":[{"href":"https:\/\/www.wehopower.com\/tl\/wp-json\/wp\/v2\/types\/news"}],"author":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/tl\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/tl\/wp-json\/wp\/v2\/comments?post=20487"}],"version-history":[{"count":0,"href":"https:\/\/www.wehopower.com\/tl\/wp-json\/wp\/v2\/news\/20487\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/tl\/wp-json\/wp\/v2\/media\/20453"}],"wp:attachment":[{"href":"https:\/\/www.wehopower.com\/tl\/wp-json\/wp\/v2\/media?parent=20487"}],"wp:term":[{"taxonomy":"news_category","embeddable":true,"href":"https:\/\/www.wehopower.com\/tl\/wp-json\/wp\/v2\/news_category?post=20487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}