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rgba(4,27,43,.06)}.page-id-33267 .kdm-local .video-topic-grid article:hover{border-color:#7bb9d9;box-shadow:var(--shadow)}.page-id-33267 .kdm-local .video-topic-grid span{color:var(--blue)}.page-id-33267 .kdm-local .video-topic-grid p{color:var(--muted)}.page-id-33267 .kdm-local .video-topic-grid b{color:var(--navy2)}@media(max-width:900px){.page-id-33267 .kdm-local .decision-brief,.page-id-33267 .kdm-local .safety-control-layout,.page-id-33267 .kdm-local .automation-feature,.page-id-33267 .kdm-local .roles-heading{grid-template-columns:1fr}.page-id-33267 .kdm-local .control-steps article{grid-template-columns:1fr}.page-id-33267 .kdm-local .control-steps span{grid-row:auto}.page-id-33267 .kdm-local .thermal-decision-grid{grid-template-columns:1fr}.page-id-33267 .kdm-local .career-facts{grid-template-columns:1fr}.page-id-33267 .kdm-local .automation-feature>img{min-height:280px}}@media(max-width:600px){.page-id-33267 .kdm-local .decision-brief-copy,.page-id-33267 .kdm-local .decision-input{padding:28px 22px}.page-id-33267 .kdm-local .guide-master>summary{padding:24px 58px 24px 22px}.page-id-33267 .kdm-local .guide-master>summary:after{right:20px}.page-id-33267 .kdm-local .guide-master-body{padding:18px}.page-id-33267 .kdm-local .safety-priority{padding:24px}.page-id-33267 .kdm-local .control-steps article{padding:20px}.page-id-33267 .kdm-local .career-intro-copy{text-align:left}.page-id-33267 .kdm-local .career-intro-copy h2{font-size:31px}.page-id-33267 .kdm-local .equipment-source-intro{padding:18px}.page-id-33267 .kdm-local .machine-card>div{padding:20px}.page-id-33267 .kdm-local .career-facts>div{min-height:0}}.page-id-33267 .kdm-local .machine-media{height:320px;min-height:320px;max-height:320px;flex:0 0 320px}.page-id-33267 .kdm-local .machine-media img{width:100%;height:100%;aspect-ratio:auto;object-fit:cover}.page-id-33267 .kdm-local .machine-card{height:100%}@media(max-width:600px){.page-id-33267 .kdm-local .machine-media{height:240px;min-height:240px;max-height:240px;flex-basis:240px}}.page-id-33267 .kdm-local #ez-toc-container,.page-id-33267 .kdm-local #toc_container,.page-id-33267 .kdm-local .toc_container,.page-id-33267 .kdm-local .ez-toc-container{display:none!important}\n<\/style>\n<main class=\"kdm-local page-sizes\">\n<section class=\"hero sizes-hero\" id=\"top\"><img decoding=\"async\" class=\"hero-media\" src=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/08\/kdm-support-20260817-electrical-enclosure-sizes-banner.webp\" alt=\"KDM electrical enclosures in different sizes for dimension review\"><div class=\"hero-shade\"><\/div>\n<div class=\"wrap\"><div class=\"hero-copy\">\n<p class=\"eyebrow\">CUSTOM DIMENSION REVIEW<\/p>\n<h1>Electrical Enclosure Size and Dimension Review<\/h1>\n<p>Define more than height, width and depth. KDM reviews the component envelope, door access, mounting method, cable entry and thermal space before the enclosure drawing is confirmed.<\/p>\n<div class=\"actions\">\n<a class=\"btn\" href=\"#worksheet\">Open Size Worksheet<\/a><a class=\"btn ghost\" href=\"#contactPopUpForm\">Send Dimensions for Review<\/a>\n<\/div>\n<div class=\"hero-facts\">\n<div>\n<strong>H \u00d7 W \u00d7 D<\/strong><span>overall size foundation<\/span>\n<\/div>\n<div>\n<strong>10 designers<\/strong><span>current enclosure design team<\/span>\n<\/div>\n<div>\n<strong>2 working days<\/strong><span>normal initial drawing after complete inputs<\/span>\n<\/div>\n<\/div>\n<\/div><\/div><\/section>\n<nav class=\"section-nav\"><div class=\"wrap\">\n<a href=\"#worksheet\">Size worksheet<\/a><a href=\"#guide-topics\">Sizing guide<\/a><a href=\"#contact\">Send dimensions<\/a>\n<\/div><\/nav>\n<section class=\"section pale\" id=\"worksheet\"><div class=\"wrap\">\n<div class=\"section-head left\">\n<p class=\"eyebrow\">LOCAL REQUIREMENT TOOL<\/p>\n<h2>Preliminary Internal-Space Worksheet<\/h2>\n<p>Use this to organize your first discussion. The result is a simple reserve estimate, not a substitute for a component layout, thermal calculation or approved drawing.<\/p>\n<\/div>\n<form class=\"calculator\" id=\"dimension-form\">\n<div>\n<div class=\"field-grid\">\n<div class=\"field\">\n<label for=\"h\">External height (mm)<\/label><input id=\"h\" name=\"h\" type=\"number\" min=\"0\" value=\"1200\">\n<\/div>\n<div class=\"field\">\n<label for=\"w\">External width (mm)<\/label><input id=\"w\" name=\"w\" type=\"number\" min=\"0\" value=\"800\">\n<\/div>\n<div class=\"field\">\n<label for=\"d\">External depth (mm)<\/label><input id=\"d\" name=\"d\" type=\"number\" min=\"0\" value=\"400\">\n<\/div>\n<\/div>\n<div class=\"field\" style=\"margin-top:16px\">\n<label for=\"reserve\">Planning reserve for walls, doors, ducts and working space<\/label><select id=\"reserve\" name=\"reserve\"><option value=\"10\">10% preliminary reserve<\/option>\n<option value=\"15\" selected>15% preliminary reserve<\/option>\n<option value=\"20\">20% preliminary reserve<\/option>\n<option value=\"25\">25% preliminary reserve<\/option><\/select>\n<\/div>\n<p class=\"boundary\" style=\"margin-top:18px\">This percentage is only a conversation aid. Actual usable space is governed by structure, panel position, door hardware, component dimensions, wiring and the approved drawing.<\/p>\n<\/div>\n<div class=\"result-panel tool-card has-hover\">\n<span>Preliminary planning envelope<\/span><output id=\"dimension-result\">Enter H \u00d7 W \u00d7 D<\/output><p>Next, compare this envelope with the component layout and the installation opening. Do not release fabrication from this number.<\/p>\n<a class=\"btn\" href=\"#contactPopUpForm\">Send the Full Layout<\/a>\n<\/div>\n<\/form>\n<\/div><\/section>\n<section class=\"section compact guide-disclosure\" id=\"guide-topics\"><div class=\"wrap\"><details class=\"guide-master\">\n  <summary><span>COMPLETE TECHNICAL GUIDE<\/span><strong>Electrical Enclosure Sizing Guide<\/strong><small>Open the complete guide, then select any original question to read its answer, images and reference links.<\/small><\/summary>\n  <div class=\"guide-master-body\" data-original-copy=\"true\">\n<div class=\"original-guide-intro\">\n\t\t\t\t\t\t<h2 class=\"original-page-title\">Electrical Enclosure Sizes<\/h2>\n\t\t\t\t\t\t<p>If you want to buy electrical enclosure, and not sure what size you should choose for your project. KDM can consult you. You just need to tell us your requirement. Details of your project, what your enclosures are used for, better you send us your drawing or any images. KDM will provide you the best sizing guide.<\/p>\n<p>Below is FAQ about electrical enclosures size you may interest. If you cannot find the right answer,<\/p>\n\n<div id=\"kdm-formula-mount-enclosure-space-planner-v1\"><\/div>\n<div id=\"gallery-1\" class=\"gallery galleryid-33267 gallery-columns-3 gallery-size-full\">\n<figure class=\"gallery-item\">\n\t\t\t<div class=\"gallery-icon landscape\">\n\t\t\t\t<a href=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2021\/08\/Electrical-Enclosure-with-Plinth-3-1.jpg\"><img loading=\"lazy\" width=\"700\" height=\"700\" src=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2021\/08\/Electrical-Enclosure-with-Plinth-3-1.jpg\" class=\"attachment-full size-full\" alt=\"Electrical Enclosure with Plinth\" decoding=\"async\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2021\/08\/Electrical-Enclosure-with-Plinth-3-1.jpg 700w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2021\/08\/Electrical-Enclosure-with-Plinth-3-1-150x150.jpg 150w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\"><\/a>\n\t\t\t<\/div><\/figure><figure class=\"gallery-item\">\n\t\t\t<div class=\"gallery-icon landscape\">\n\t\t\t\t<a href=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2021\/08\/Electrical-Enclosure-with-Plinth-2-1.jpg\"><img loading=\"lazy\" width=\"700\" height=\"700\" src=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2021\/08\/Electrical-Enclosure-with-Plinth-2-1.jpg\" class=\"attachment-full size-full\" alt=\"Electrical Enclosure with Plinth\" decoding=\"async\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2021\/08\/Electrical-Enclosure-with-Plinth-2-1.jpg 700w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2021\/08\/Electrical-Enclosure-with-Plinth-2-1-150x150.jpg 150w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\"><\/a>\n\t\t\t<\/div><\/figure><figure class=\"gallery-item\">\n\t\t\t<div class=\"gallery-icon landscape\">\n\t\t\t\t<a href=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2021\/08\/Operation-Console-4.jpg\"><img loading=\"lazy\" width=\"700\" height=\"700\" src=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2021\/08\/Operation-Console-4.jpg\" class=\"attachment-full size-full\" alt=\"Operation Console\" decoding=\"async\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2021\/08\/Operation-Console-4.jpg 700w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2021\/08\/Operation-Console-4-150x150.jpg 150w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\"><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\n\n<h2>Electrical Enclosure Sizes: The Ultimate FAQ Guide<\/h2>\n<\/div>\n<div class=\"guide-faq-list\">\n<details class=\"guide-faq\"><summary>What is Electrical Enclosure Box?<\/summary><div class=\"guide-faq-answer\">\n<p>It is a small \u201chousing\u201d you can use in mounting electronic components such as switches, relays, motor controllers, and other related equipment. They come in different sizes and shapes, with the main role being:<\/p>\n<ul>\n<li>Protecting equipment from hostile and fluctuating environmental conditions<\/li>\n<li>Preventing unauthorized persons from accessing the equipment, thereby acting as a safety measure<\/li>\n<li>Eliminates possibilities of electric shock and other related accidents<\/li>\n<li>Helps in easy management of electrical components since you will install them in a central place<\/li>\n<\/ul>\n<p>In most cases, people refer to the electrical enclosure box as an <a href=\"https:\/\/en.wikipedia.org\/wiki\/Electrical_enclosure\"><strong><em>electrical enclosure<\/em><\/strong><\/a> or <strong><em>electrical cabinet<\/em><\/strong>.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-5256\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2019\/09\/Figure-1-Electrical-Enclosure.jpg\" alt=\"Electrical Enclosure\" width=\"470\" height=\"388\"><\/p>\n<p style=\"text-align: center\"><em>Electrical Enclosure<\/em><\/p>\n<\/div><\/details><details class=\"guide-faq\"><summary>Are there Standard Electrical Enclosure Sizes?<\/summary><div class=\"guide-faq-answer\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5257\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2019\/09\/Figure-2-Different-sizes-of-electrical-enclosure.jpg\" alt=\"Different sizes of electrical enclosure\" width=\"550\" height=\"550\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2019\/09\/Figure-2-Different-sizes-of-electrical-enclosure.jpg 550w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2019\/09\/Figure-2-Different-sizes-of-electrical-enclosure-150x150.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2019\/09\/Figure-2-Different-sizes-of-electrical-enclosure-66x66.jpg 66w\" sizes=\"auto, (max-width: 550px) 100vw, 550px\"><\/p>\n<p style=\"text-align: center\"><em>Different sizes of the electrical enclosure<\/em><\/p>\n<p>Although manufacturers tend to adopt certain designs for electrical enclosure sizes, there are no known international standards for this.<\/p>\n<p>However, the available standards focus more on the degree of protection and <a href=\"http:\/\/www.kdmsteel.com\/electrical-enclosure-safety\/\">electrical enclosure safety<\/a>.<\/p>\n<p>They include the <a href=\"https:\/\/en.wikipedia.org\/wiki\/NEMA_enclosure_types\">NEMA rating<\/a>, <a href=\"https:\/\/en.wikipedia.org\/wiki\/IP_Code\">IP rating<\/a>, <a href=\"https:\/\/marks.ul.com\/about\/ul-listing-and-classification-marks\/promotion-and-advertising-guidelines\/specific-guidelines-and-rules\/\">UL listing<\/a>, <a href=\"https:\/\/en.wikipedia.org\/wiki\/Restriction_of_Hazardous_Substances_Directive\">RoHS<\/a>, <a href=\"https:\/\/www.nfpa.org\/\">NFPA<\/a>, <a href=\"https:\/\/ec.europa.eu\/growth\/single-market\/ce-marking_en\">CE<\/a>, etc.<\/p>\n<p>For instance, electrical enclosure sizes may range from 75 x 125 x 35 to 300 x 600 x 136 mm.<\/p>\n<p>It will depend on the unique requirement specifications of the client.<\/p>\n<p>However, the electrical enclosure size should allow for safe mounting of components and the free circulation of air for <a href=\"http:\/\/www.kdmsteel.com\/electrical-enclosure-ventilation\/\">ventilation<\/a>.<\/p>\n<p>Mostly, manufacturers offer custom electrical enclosure sizes.<\/p>\n<\/div><\/details><details class=\"guide-faq\"><summary>What Does KDM Mean by Standard Enclosure Box Sizes?<\/summary><div class=\"guide-faq-answer\">\n<p><iframe loading=\"lazy\" title=\"KDM Electrical Enclosure Design Engineering and Manufacturing\" width=\"1170\" height=\"658\" src=\"https:\/\/www.youtube.com\/embed\/6eIrecxsTCs?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>These are common enclosure box sizes we have as inventories.<\/p>\n<p>We have designs and dimensions which we can quickly share with you upon request.<\/p>\n<p>At the same time, KDM machines and fabricates custom enclosure box sizes.<\/p>\n<p>You will tell us your specifications, and our technicians will send you 2D and 3D drawings with all dimensions.<\/p>\n<\/div><\/details><details class=\"guide-faq\"><summary>Are there NEMA Enclosure Sizes?<\/summary><div class=\"guide-faq-answer\">\n<p>Most people use the \u201c<strong><em>NEMA enclosure sizes<\/em><\/strong>\u201d to refer to NEMA enclosures that come in various size options.<\/p>\n<p>However, <a href=\"https:\/\/www.nema.org\/About\/pages\/default.aspx\">National Electrical Manufacturers Association<\/a> (NEMA) does not have rules and regulations about the electrical enclosure sizes.<\/p>\n<p>The main focus on NEMA is to grade different electrical enclosures depending on their level or degree of protection.<\/p>\n<p><iframe loading=\"lazy\" title=\"We Are NEMA\" width=\"1170\" height=\"658\" src=\"https:\/\/www.youtube.com\/embed\/Hu3GeiMyne4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>It evaluates electrical enclosures based on their degree to guarantee protection from certain environmental conditions and factors.<\/p>\n<p>The environmental factors may include corrosive vapor, dust, dirt, splashing water, etc.<\/p>\n<\/div><\/details><details class=\"guide-faq\"><summary>Can Electrical Panel Enclosure Sizes Affect Temperature Control?<\/summary><div class=\"guide-faq-answer\">\n<p>Yes, it can.<\/p>\n<p>For an efficient <a href=\"http:\/\/www.kdmsteel.com\/electrical-enclosure-cooling-system\/\">electrical enclosure cooling<\/a>, you need enough space for the free circulation of air.<\/p>\n<p>Therefore, as you choose electrical enclosure sizes, it should allow for the free circulation of air and installation of other cooling systems.<\/p>\n<p>More importantly, it must have enough space for the installation of electrical components and maximum heat dissipation.<\/p>\n<p>Also, remember, the surface area affects the heat load of an electrical enclosure.<\/p>\n<p>That is, to calculate the electrical enclosure conductance, you must know the surface area (which is its size).<\/p>\n<p><strong><em>Electrical Enclosure Conductance = Enclosure Surface Area \u00d7Enclosure Heat Transfer Coefficient<\/em><\/strong><\/p>\n<\/div><\/details><details class=\"guide-faq\"><summary>How do You Calculate the Standard Enclosure Surface Area?<\/summary><div class=\"guide-faq-answer\">\n<p>The procedure will depend on the design of the electrical enclosure.<\/p>\n<p>It is because some electrical enclosures will take the shape of a cuboid or any other complex shapes.<\/p>\n<p>Whichever the case, divide the electrical enclosure into distinct geometrical shapes such as rectangle, square, triangle, etc.<\/p>\n<p>Then, calculate the area of each surface, after which you will get the total sum.<\/p>\n<\/div><\/details><details class=\"guide-faq\"><summary>Does Electrical Enclosure Size Determine the Enclosure Cooling System?<\/summary><div class=\"guide-faq-answer\">\n<p>Yes, it does.<\/p>\n<p>It plays a fundamental role when calculating electrical enclosure heat load.<\/p>\n<p>Heat load is a key factor when choosing type, size, design, and efficiency of the electrical enclosure cooling system.<\/p>\n<\/div><\/details><details class=\"guide-faq\"><summary>What are Main Dimensions in Electrical Enclosure Sizing?<\/summary><div class=\"guide-faq-answer\">\n<p>Every dimension is important, and they vary from one electrical enclosure design to another.<\/p>\n<p>However, you can describe enclosure in terms of <strong><em>length and width<\/em><\/strong> when considering dimensions of each outer panel.<\/p>\n<p>Moreover, you should have the dimensions of the ventilation systems and cable holes.<\/p>\n<p>The orientation, whether vertical or horizontal, is important when classifying the electrical enclosure.<\/p>\n<\/div><\/details><details class=\"guide-faq\"><summary>How Big Should Electrical Enclosure Size Be?<\/summary><div class=\"guide-faq-answer\">\n<p>It will depend on the number of components you want to install in the electrical enclosure.<\/p>\n<p>When choosing an electrical enclosure size, you can consider:<\/p>\n<ul>\n<li>Options for cable management system \u2013 the cables must allow for a free flow of air<\/li>\n<li>Installation of enclosure heating or cooling systems<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5258\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2019\/09\/Figure-3-Electrical-enclosure-system.jpg\" alt=\"Electrical enclosure system\" width=\"600\" height=\"401\"><\/p>\n<p style=\"text-align: center\"><em>Electrical enclosure system<\/em><\/p>\n<\/div><\/details><details class=\"guide-faq\"><summary>Does KDM Help in Calculating Electrical Enclosure Sizes?<\/summary><div class=\"guide-faq-answer\">\n<p>Absolutely!<\/p>\n<p>KDM technicians will help you in all aspects of electrical enclosure sizing and dimensions.<\/p>\n<p>You can provide us with the following information:<\/p>\n<p><strong>i.<\/strong> How many components do you want to install in the electrical enclosure<\/p>\n<p><strong>ii.<\/strong> Where you want to install the electrical enclosure (it will help us establish the NEMA &amp; IP rating among other quality standards)<\/p>\n<p><strong>iii.<\/strong> Types of components to install (it will help us determine the cooling systems)<\/p>\n<p><strong>iv.<\/strong> Any design you have in mind<\/p>\n<p>At KDM, we help our clients in concept development, CAD drawing through to the fabrication and surface finishing.<\/p>\n<\/div><\/details><details class=\"guide-faq\"><summary>Does KDM have Electrical Enclosure Size Limitations?<\/summary><div class=\"guide-faq-answer\">\n<p>No.<\/p>\n<p>At KDM, we manufacture all designs and sizes of electrical enclosures; from smaller to larger electrical enclosures.<\/p>\n<p>You can tell us the size of the electrical enclosure you need \u2013 the 2D and 3D drawings will be ready with one day.<\/p>\n<p>KDM does not have minimum and maximum sizes for electrical enclosures.<\/p>\n<p>We customize our electrical enclosure sizes depending on the specific needs of customers.<\/p>\n<p><a href=\"http:\/\/www.kdmsteel.com\/contact\/\">Talk to us today<\/a>, for custom electrical enclosure sizes.<\/p>\n\t\t\t\t\t<\/div><\/details>\n<\/div>\n<\/div>\n<\/details><\/div><\/section>\n<section class=\"cta\" id=\"contact\"><img decoding=\"async\" class=\"cta-media\" src=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2026\/08\/kdm-support-20260817-electrical-enclosure-sizes-05.webp\" alt=\"KDM dimension and drawing review for a custom electrical enclosure\"><div class=\"cta-shade\"><\/div>\n<div class=\"wrap\">\n<p class=\"eyebrow\">DIMENSION REVIEW<\/p>\n<h2>Send the Component Layout, Not Only H \u00d7 W \u00d7 D<\/h2>\n<p>Include the installation opening, component datasheets, cable-entry zones, door access, environment, material and quantity. KDM will first confirm whether the information is sufficient for a drawing review.<\/p>\n<a class=\"btn\" href=\"#contactPopUpForm\">Send Dimensions for Review<\/a>\n<\/div><\/section>\n<\/main>\n<script>document.querySelectorAll('.section-nav a').forEach(link=>link.addEventListener('click',()=>document.querySelectorAll('.section-nav a').forEach(item=>item.classList.toggle('active',item===link))));\ndocument.querySelectorAll('[data-filter-group]').forEach(group=>{const target=document.querySelector(group.dataset.target);group.addEventListener('click',event=>{const button=event.target.closest('button[data-filter]');if(!button)return;group.querySelectorAll('button').forEach(item=>item.classList.toggle('active',item===button));target.querySelectorAll('[data-category]').forEach(card=>card.hidden=button.dataset.filter!=='all'&&!card.dataset.category.split(' ').includes(button.dataset.filter));});});\ndocument.querySelectorAll('[data-tabs]').forEach(tabs=>tabs.addEventListener('click',event=>{const button=event.target.closest('button[data-tab]');if(!button)return;tabs.querySelectorAll('button').forEach(item=>item.classList.toggle('active',item===button));document.querySelectorAll(`[data-tab-panel=\"${tabs.dataset.tabs}\"]`).forEach(panel=>panel.classList.toggle('active',panel.dataset.panel===button.dataset.tab));}));\nconst dimensionForm=document.querySelector('#dimension-form');if(dimensionForm){const update=()=>{const h=Number(dimensionForm.h.value)||0,w=Number(dimensionForm.w.value)||0,d=Number(dimensionForm.d.value)||0,reserve=Number(dimensionForm.reserve.value)||0;const output=document.querySelector('#dimension-result');if(!h||!w||!d){output.textContent='Enter H \u00d7 W \u00d7 D';return;}const ih=Math.max(0,Math.round(h*(1-reserve\/100))),iw=Math.max(0,Math.round(w*(1-reserve\/100))),id=Math.max(0,Math.round(d*(1-reserve\/100)));output.textContent=`${ih} \u00d7 ${iw} \u00d7 ${id} mm`;};dimensionForm.addEventListener('input',update);update();}\nconst thermalForm=document.querySelector('#thermal-form');if(thermalForm){const update=()=>{const heat=Number(thermalForm.heat.value)||0,ambient=Number(thermalForm.ambient.value)||0,target=Number(thermalForm.target.value)||0,sealed=thermalForm.sealed.value;let text='Enter the main thermal inputs for a review path.';if(heat&&ambient&&target){if(ambient>=target||heat>500)text='Active thermal-management review is likely required; confirm heat load, environment and enclosure rating before selecting hardware.';else if(sealed==='yes')text='A sealed design may need a heat exchanger, cooling unit or larger surface area. Vent openings should not be added without checking the required protection level.';else text='Passive dissipation or filtered airflow may be review options, subject to dust, moisture and required protection.';}document.querySelector('#thermal-result').textContent=text;};thermalForm.addEventListener('input',update);update();}\nconst equipmentSearch=document.querySelector('#equipment-search');if(equipmentSearch){const filter=()=>{const q=equipmentSearch.value.trim().toLowerCase(),dept=document.querySelector('#equipment-dept').value;document.querySelectorAll('#equipment-table tbody tr').forEach(row=>row.hidden=Boolean((q&&!row.textContent.toLowerCase().includes(q))||(dept!=='all'&&row.dataset.dept!==dept)));};equipmentSearch.addEventListener('input',filter);document.querySelector('#equipment-dept').addEventListener('change',filter);}\nconst videoPlayer=document.querySelector('#featured-video');if(videoPlayer){document.querySelectorAll('.video-card[data-video]').forEach(card=>card.addEventListener('click',()=>{document.querySelectorAll('.video-card').forEach(item=>item.classList.toggle('active',item===card));videoPlayer.src=`https:\/\/www.youtube.com\/embed\/${card.dataset.video}?rel=0`;document.querySelector('#featured-video-title').textContent=card.dataset.title;}));}\nconst videoModal=document.querySelector('[data-video-modal]');if(videoModal){const frame=videoModal.querySelector('[data-modal-video-frame]'),title=videoModal.querySelector('#modal-video-title');const closeVideo=()=>{videoModal.hidden=true;frame.src='about:blank';document.body.classList.remove('video-modal-open');};document.querySelectorAll('.js-video-open[data-video]').forEach(link=>link.addEventListener('click',event=>{event.preventDefault();event.stopImmediatePropagation();title.textContent=link.dataset.videoTitle||'KDM Manufacturing Video';frame.src=`https:\/\/www.youtube.com\/embed\/${link.dataset.video}?autoplay=1&rel=0`;videoModal.hidden=false;document.body.classList.add('video-modal-open');videoModal.querySelector('.video-modal-close').focus();},true));videoModal.querySelectorAll('[data-video-close]').forEach(button=>button.addEventListener('click',closeVideo));document.addEventListener('keydown',event=>{if(event.key==='Escape'&&!videoModal.hidden)closeVideo();});}\ndocument.addEventListener('click',event=>{const link=event.target.closest('.guide-master a[href^=\"#\"]');if(!link)return;const target=document.querySelector(link.getAttribute('href'));if(!target?.classList.contains('guide-faq'))return;link.closest('.guide-master').open=true;target.open=true;});\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>CUSTOM DIMENSION REVIEW Electrical Enclosure Size and Dimension Review Define more than height, width and depth. KDM reviews the component envelope, door access, mounting method, cable entry and thermal space before the enclosure drawing is confirmed. Open Size WorksheetSend Dimensions for Review H \u00d7 W \u00d7 Doverall size foundation 10 designerscurrent enclosure design team 2 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"unboxed","site-sidebar-style":"unboxed","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"disabled","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-33267","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Electrical Enclosure Sizes- What Dimension You Should Choose for Enclosure<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kdmsteel.com\/ja\/\u96fb\u6c17\u7b50\u4f53\u306e\u30b5\u30a4\u30ba\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Electrical Enclosure Sizes- What Dimension You Should Choose for Enclosure\" \/>\n<meta property=\"og:description\" content=\"CUSTOM DIMENSION REVIEW Electrical Enclosure Size and Dimension Review Define more than height, width and depth. KDM reviews the component envelope, door access, mounting method, cable entry and thermal space before the enclosure drawing is confirmed. 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