What Is a DIN Rail? The Complete Guide to Types, Standards, and Installation<\/title>\n<\/head>\n<body>\n\n<div class=\"bd-post\">\n <style>\n @import url('https:\/\/fonts.googleapis.com\/css2?family=Manrope:wght@400;600;700&family=Roboto:wght@600;700&display=swap');\n\n .bd-post {\n --prose-width: 720px;\n --gap-attach: 16px;\n --gap-normal: 32px;\n --gap-section: 48px;\n --pad-compact: 16px;\n --pad-standard: 24px;\n \/* Palette tokens \u2014 plan-gate validated *\/\n --body-bg: #FFFFFF;\n --text-primary: #333333;\n --text-secondary: #6E6E6E;\n --accent-text: #0D3972;\n --accent: #479DE2;\n --warm: #FD9649;\n --card-fill: #F4F9FC;\n --card-border: #C0C0C0;\n --card-text: #333333;\n --card-secondary: #6E6E6E;\n --card-accent: #0D3972;\n --inverse-bg: #1E1E1E;\n --inverse-text: #FFFFFF;\n --inverse-secondary: #B0B0B0;\n --inverse-accent: #479DE2;\n --panel-fill: #FAFAFA;\n --th-bg: #F0F4F8;\n --heading-ink: #000000;\n --row-hover: #F8FAFC;\n --positive: #1B7A3D;\n --negative: #C0392B;\n --btn-white: #FFFFFF;\n --btn-ink: #0D3972;\n font-family: \"Manrope\", sans-serif;\n font-size: 16px;\n font-weight: 400;\n line-height: 1.6;\n color: var(--text-primary);\n background: var(--body-bg);\n padding: 40px;\n max-width: 100%;\n box-sizing: border-box;\n }\n .bd-post a { overflow-wrap: anywhere; 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}\n .bd-post h1 { font-size: 26px; }\n .bd-post h2 { font-size: 26px; margin-top: 32px; }\n .bd-post h3 { font-size: 20px; margin-top: 24px; }\n .bd-post .bp-1-quickref { grid-template-columns: 1fr; }\n .bd-post .bp-3-dosdonts { grid-template-columns: 1fr; }\n .bd-post .bp-2-row { flex-wrap: wrap; }\n .bd-post .bp-2-env { min-width: 100%; }\n .bd-post .bp-cta-end { padding: var(--pad-standard) 20px; }\n .bd-post .bp-cta-end-title { font-size: 20px; }\n .bd-post .bp-cta-end-btn { font-size: 16px; padding: 12px 24px; }\n }\n <\/style>\n\n <article class=\"bd-post-article\">\n\n<h1><\/h1>\n\n<h2 id=\"what-is\">What Is a DIN Rail?<\/h2>\n\n<p>A <strong>DIN rail<\/strong> is a standardized metal mounting rail used inside electrical enclosures and control cabinets to hold circuit breakers, power supplies, relays, terminal blocks, PLCs, and other industrial control equipment. Instead of drilling individual mounting holes for every component, engineers snap devices onto the rail \u2014 saving time, saving space, and making future modifications trivial.<\/p>\n\n<p>The name comes from the <strong>Deutsches Institut f\u00fcr Normung<\/strong> \u2014 the German Institute for Standardization. What began as a German engineering solution in 1928, developed jointly by Phoenix Electrical Supply Company and the utility RWE, was refined through the 1950s into the profiles we use today and eventually adopted as international standards under the IEC.<\/p>\n\n<p>Think of a DIN rail as the chassis of a control panel. It provides mechanical support only \u2014 it is not designed to carry electrical current as a busbar, though it can serve as a chassis ground connection when properly bonded. An estimated 70% or more of the components inside a typical industrial control cabinet mount onto DIN rails. Without this simple piece of formed metal, panel building would be slower, bulkier, and far less modular.<\/p>\n\n<h2 id=\"types\">DIN Rail Types and Their Dimensions<\/h2>\n\n<p>The first question after “what is it?” is always “which type do I need?” The answer depends on what you’re mounting \u2014 and for 90% of applications, there’s one clear answer. Before diving into each type, here’s the framework: <strong>the components dictate the rail<\/strong>. Check the mounting specification on any industrial device you’re installing \u2014 it will tell you which profile it’s designed for.<\/p>\n\n<h3>TS35 Top Hat Rail \u2014 The Industry Standard<\/h3>\n\n<p>Walk past any control panel in any factory on any continent, and the rail you’ll see is almost certainly the TS35 \u2014 35 millimeters wide with a distinctive hat-shaped cross-section. It is the universal mounting interface for modern industrial control components.<\/p>\n\n<p>The TS35 comes in two depth variants under <strong>IEC 60715<\/strong>. The standard <strong>TH35-7.5<\/strong> measures 35 mm wide by 7.5 mm deep and handles the vast majority of control devices: miniature circuit breakers (MCBs), PLC CPU and I\/O modules, terminal blocks, slim relays, signal converters, and standard DIN-rail power supplies. When components get heavier \u2014 large contactors, multi-output power supplies above 240W, or installations subject to continuous vibration \u2014 the deeper <strong>TH35-15<\/strong> (35 \u00d7 15 mm) provides the extra rigidity needed. A practical rule of thumb: if a single component weighs more than about 1 kilogram, or if the cabinet will be mounted on moving machinery, use the 15 mm deep rail.<\/p>\n\n<p>One concept worth understanding is the <strong>module width system<\/strong>. Devices designed for TS35 rails follow a modular pitch where <strong>1 module (1M) equals 18 millimeters<\/strong>. A single-pole MCB occupies 1M (18 mm), a three-pole breaker takes 3M (54 mm), and a compact PLC might span 4M (72 mm). This system lets panel builders plan layouts by counting modules \u2014 no measuring tape required.<\/p>\n\n<p>TS35 rails are available in <strong>perforated<\/strong> (pre-punched with mounting slots) and <strong>unperforated<\/strong> versions. Perforated rail simplifies attachment to the backplate because the slots double as screw holes; unperforated rail provides a cleaner surface when using separate mounting brackets.<\/p>\n\n<h3>TS15 Miniature Top Hat Rail<\/h3>\n\n<p>When cabinet space is tight \u2014 a compact junction box, a retrofit into an older enclosure with limited real estate \u2014 the <strong>TS15<\/strong> rail offers a slimmed-down alternative at 15 mm wide by 5.5 mm deep. Governed by EN 50045 (BS 6273, DIN 46277-2), the TS15 is designed for small relays, sensor interface modules, and lightweight terminal blocks.<\/p>\n\n<p>The trade-off is load capacity. TS15 rails should not carry components exceeding roughly 0.5 kg. If you have the space, TS35 is always the better choice \u2014 but when every millimeter counts, TS15 solves a real problem.<\/p>\n\n<h3>C-Section and G-Type Rails \u2014 Legacy and Heavy-Duty<\/h3>\n\n<p>These are the rails you’ll encounter in older installations rather than new designs. <strong>C-section rails<\/strong> (standardized under the now-abrogated EN 50024) have a symmetrical C-shaped cross-section at 32 mm wide, available in four heights: C20 (20 mm), C30 (30 mm), C40 (40 mm), and C50 (50 mm). <strong>G-type rails<\/strong> (formerly EN 50035, BS 5825, DIN 46277-1) feature an asymmetrical G-shaped profile \u2014 32 mm wide by 15 mm deep \u2014 with the deeper side mounted at the bottom so equipment hooks over the top lip and rotates into place.<\/p>\n\n<p>Both types have been superseded by the IEC 60715 TS35 standard for new designs. However, if you maintain or retrofit equipment built before roughly the early 2000s, you may still find C- and G-rails inside. Be aware that many modern compact components will not fit these profiles without adapters.<\/p>\n\n\n<div class=\"bp-1-quickref bd-reveal\">\n <div class=\"bp-1-item\">\n <div class=\"bp-1-type\">TS35 Top Hat<\/div>\n <div class=\"bp-1-dims\">35 \u00d7 7.5 <span>mm<\/span><\/div>\n <div class=\"bp-1-use\">Standard for MCBs, PLCs, relays, terminal blocks, power supplies \u2014 the universal default. Also available in 15 mm deep version for heavy components.<\/div>\n <div class=\"bp-1-verdict\"><svg width=\"14\" height=\"14\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -3px; margin-right: 3px;\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg>Use for 90% of applications<\/div>\n <\/div>\n <div class=\"bp-1-item\">\n <div class=\"bp-1-type\">TS15 Miniature<\/div>\n <div class=\"bp-1-dims\">15 \u00d7 5.5 <span>mm<\/span><\/div>\n <div class=\"bp-1-use\">Compact junction boxes, tight retrofit spaces. For small relays and lightweight terminals only. Load limit ~0.5 kg.<\/div>\n <div class=\"bp-1-verdict\"><svg width=\"14\" height=\"14\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -3px; margin-right: 3px;\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg>Use only when space is critical<\/div>\n <\/div>\n <div class=\"bp-1-item\">\n <div class=\"bp-1-type\">C-Section<\/div>\n <div class=\"bp-1-dims\">32 <span>mm wide, C20\u2013C50 heights<\/span><\/div>\n <div class=\"bp-1-use\">Legacy installations, heavier loads. Symmetrical C-profile. Standard EN 50024 now abrogated \u2014 modern components may need adapters.<\/div>\n <div class=\"bp-1-verdict\"><svg width=\"14\" height=\"14\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -3px; margin-right: 3px;\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg>Legacy only; avoid for new builds<\/div>\n <\/div>\n <div class=\"bp-1-item\">\n <div class=\"bp-1-type\">G-Type<\/div>\n <div class=\"bp-1-dims\">32 \u00d7 15 <span>mm<\/span><\/div>\n <div class=\"bp-1-use\">Heavy-duty legacy equipment. Asymmetric G-profile, deep side down. Standard EN 50035 abrogated. Rare in modern panels.<\/div>\n <div class=\"bp-1-verdict\"><svg width=\"14\" height=\"14\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -3px; margin-right: 3px;\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg>Legacy heavy-duty; avoid for new builds<\/div>\n <\/div>\n<\/div>\n\n<h2 id=\"standards\">The Standards That Define DIN Rails<\/h2>\n\n<p>If every manufacturer built their own mounting system, a Siemens breaker wouldn’t fit on the same rail as an Allen-Bradley contactor. The reason they do \u2014 and the reason DIN rail became a global standard rather than a German curiosity \u2014 is standardization.<\/p>\n\n<p>The governing document today is <strong>IEC 60715<\/strong> (published as EN 60715 in Europe), whose full title is <em>Dimensions of low-voltage switchgear and controlgear \u2014 Standardized mounting on rails for mechanical support of electrical devices<\/em>. The current edition, published in 2017, defines the dimensional and functional requirements that ensure any compliant component from any manufacturer will mount securely on any compliant rail, anywhere in the world.<\/p>\n\n<div class=\"table-wrapper\">\n<table>\n<thead><tr><th>Est\u00e1ndar<\/th><th>Rail Type<\/th><th>Status<\/th><th>Notes<\/th><\/tr><\/thead>\n<tbody>\n<tr><td><strong>IEC\/EN 60715<\/strong><\/td><td>TS35 (35\u00d77.5 \/ 35\u00d715)<\/td><td>Actual<\/td><td>Global standard; superseded all older EN 50022 variants<\/td><\/tr>\n<tr><td>EN 50045<\/td><td>TS15 (15\u00d75.5)<\/td><td>Actual<\/td><td>Miniature rail standard<\/td><\/tr>\n<tr><td>EN 50022<\/td><td>TS35 top hat rail<\/td><td>Superseded<\/td><td>Replaced by IEC 60715<\/td><\/tr>\n<tr><td>EN 50035<\/td><td>G-type rail (G32)<\/td><td>Abrogated<\/td><td>No longer maintained; legacy equipment only<\/td><\/tr>\n<tr><td>EN 50024<\/td><td>C-section (C20\u2013C50)<\/td><td>Abrogated<\/td><td>No longer maintained; legacy equipment only<\/td><\/tr>\n<tr><td>EN 50023<\/td><td>75 mm wide top hat<\/td><td>Current (niche)<\/td><td>Rarely encountered outside specialized equipment<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n<p>If you remember one standard, make it <strong>IEC 60715<\/strong>. It governs the rail that carries over 90% of the world’s DIN-rail-mounted industrial components.<\/p>\n\n<h2 id=\"materials\">DIN Rail Materials and Construction Quality<\/h2>\n<img decoding=\"async\" src=\"https:\/\/www.omch.com\/wp-content\/uploads\/2026\/07\/Gemini_Generated_Image_q2wnzfq2wnzfq2wn.webp\" alt=\"\u63cf\u8ff0\u6587\u5b57\" class=\"bd-post-image\" loading=\"lazy\">\n\n<p>Here’s a blind spot in most DIN rail guides: they tell you about types and dimensions, but almost nobody talks about what the rail is actually made of \u2014 and material choice matters more than most engineers realize. The wrong material won’t stop your panel from working on day one. It’ll fail silently three years later, when corrosion has locked your circuit breakers onto a rail that won’t release them.<\/p>\n\n<p>There are three material families worth knowing, and the choice between them determines how long your rail lasts, what environments it can survive, and what you’ll pay.<\/p>\n\n<h3>Galvanized Steel \u2014 The Default Choice<\/h3>\n\n<p>Roughly 90% of DIN rails sold worldwide are cold-rolled carbon steel with a protective zinc coating. The base material \u2014 typically DC01 or DX51D grade steel (European designation) or Q195\/Q235 (Chinese standard) \u2014 is formed into the hat, C, or G profile at a thickness of 1.0 to 1.5 millimeters, then electroplated with a zinc layer 5 to 12 micrometers thick.<\/p>\n\n<p>That thin zinc layer does the heavy lifting against rust. In a standard indoor industrial environment \u2014 a climate-controlled factory floor, a commercial building’s electrical room \u2014 galvanized DIN rail can easily last 15 to 20 years without meaningful corrosion. The zinc sacrifices itself electrochemically before the steel underneath can oxidize.<\/p>\n\n<p>Where galvanized steel falls short is humidity and chemical exposure. In outdoor enclosures, coastal installations, food processing plants with washdown procedures, or any environment with airborne chlorides, that 5\u201312 \u03bcm zinc layer gets consumed in years rather than decades. The standard salt spray test benchmark for basic electroplated DIN rail is 48 to 96 hours of neutral salt spray (NSS) \u2014 adequate for indoor use, inadequate for harsh environments.<\/p>\n\n<h3>Stainless Steel \u2014 For Harsh Environments<\/h3>\n\n<p>When the installation environment turns aggressive \u2014 think offshore platforms, pharmaceutical cleanrooms, wastewater treatment plants, or anything within a kilometer of saltwater \u2014 stainless steel DIN rail stops being a premium option and becomes a necessity.<\/p>\n\n<p>Two grades dominate industrial DIN rail applications. <strong>AISI 304<\/strong> stainless steel (18\u201320% chromium, 8\u201310.5% nickel) handles most non-chloride corrosive environments and provides excellent durability in food, beverage, and general chemical processing settings. <strong>AISI 316<\/strong> stainless steel adds 2\u20133% molybdenum to the alloy, specifically to resist pitting corrosion from chlorides \u2014 this is the grade you want for marine environments, coastal installations, and any application involving salt spray or seawater exposure.<\/p>\n\n<p>Stainless DIN rail typically carries no additional surface coating \u2014 the material itself is the corrosion protection. In salt spray testing, stainless DIN rail can exceed 200 hours of NSS exposure without significant rust, compared to the 48\u201396 hours typical of galvanized steel. The cost premium is real \u2014 expect to pay roughly three to five times the price of equivalent galvanized rail \u2014 but in a corrosive environment, that premium buys you a 20-year service life instead of a 3-year replacement cycle.<\/p>\n\n<h3>Aluminum and Copper \u2014 Niche Applications<\/h3>\n\n<p>Two materials round out the options, though neither is common in general-purpose panel building. <strong>Aluminum DIN rail<\/strong> (typically 6063-T5 alloy with anodized finish) weighs roughly one-third as much as steel \u2014 a meaningful advantage in aircraft, rail vehicles, and mobile equipment where every kilogram counts. Its natural oxide layer provides decent corrosion resistance without additional plating. <strong>Copper DIN rail<\/strong> occupies a tiny niche where the rail itself doubles as a grounding busbar, leveraging copper’s superior conductivity \u2014 but the cost and lower mechanical strength make it impractical for general mounting use.<\/p>\n\n<p>For 99% of applications, the choice is binary: galvanized steel for indoor control panels, stainless steel for anything exposed to moisture or chemicals.<\/p>\n\n\n<div class=\"bp-2-chooser bd-reveal\">\n <div class=\"bp-2-title\">\n <svg width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><line x1=\"12\" y1=\"16\" x2=\"12\" y2=\"12\"\/><line x1=\"12\" y1=\"8\" x2=\"12.01\" y2=\"8\"\/><\/svg>\n Which Material for Your Environment?\n <\/div>\n <div class=\"bp-2-row\">\n <span class=\"bp-2-env\">Indoor \/ Climate-Controlled<\/span>\n <span class=\"bp-2-pick\">Galvanized Steel<\/span>\n <span class=\"bp-2-reason\">15\u201320 year life, best value for 90% of installations<\/span>\n <svg class=\"bp-2-icon\" width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg>\n <\/div>\n <div class=\"bp-2-row\">\n <span class=\"bp-2-env\">Outdoor \/ Coastal \/ Washdown<\/span>\n <span class=\"bp-2-pick\">Stainless Steel 316<\/span>\n <span class=\"bp-2-reason\">Molybdenum alloy resists chloride pitting \u2014 mandatory near saltwater<\/span>\n <svg class=\"bp-2-icon\" width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg>\n <\/div>\n <div class=\"bp-2-row\">\n <span class=\"bp-2-env\">Food \/ Pharma \/ Chemical<\/span>\n <span class=\"bp-2-pick\">Stainless Steel 304<\/span>\n <span class=\"bp-2-reason\">Excellent non-chloride corrosion resistance, no coating to degrade<\/span>\n <svg class=\"bp-2-icon\" width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg>\n <\/div>\n<\/div>\n\n<h2 id=\"installation\">How to Install DIN Rail Correctly<\/h2>\n\n<p>Knowing what DIN rail to buy is half the equation. Installing it properly \u2014 cutting it to length without creating a safety hazard, mounting it level and at the right spacing, and grounding it so it actually protects people \u2014 is where panel quality is won or lost.<\/p>\n\n<p>Three phases, each with its own set of non-negotiable details.<\/p>\n\n<h3>Cutting and Preparing the Rail<\/h3>\n\n<p>DIN rail typically arrives in 1-meter or 2-meter standard lengths, and your first job is cutting it to fit the enclosure backplate. The tool choice matters less than the technique: a hacksaw with a fine-tooth blade (24\u201332 teeth per inch) works for occasional jobs; a bandsaw gives cleaner, squarer cuts for production work; an angle grinder with a cutoff wheel is fast but generates heat that can damage the zinc coating near the cut edge. Dedicated DIN rail shears produce the cleanest result, but the cost only justifies itself in high-volume panel shops.<\/p>\n\n<p>Three rules separate a professional cut from a dangerous one. <strong>En primer lugar<\/strong>, mark your cut line with a square \u2014 a cut that’s even 2 degrees off perpendicular will leave your rail sitting crooked against the backplate. <strong>Second<\/strong>, deburr every cut edge. A sharp burr from a saw cut will slice through wire insulation and human skin with equal efficiency \u2014 a few passes with a fine-tooth file or a hand deburring tool takes ten seconds and eliminates the hazard. Never use a grinding wheel for deburring; the friction heat burns through the zinc plating and creates a bare steel spot that will rust within months. <strong>Third<\/strong>, verify the final length with a tolerance of \u00b10.5 mm \u2014 a rail cut too short leaves a gap at the end, and one cut too long won’t fit.<\/p>\n\n<h3>Mounting, Spacing, and Layout<\/h3>\n\n<p>With the rail cut to length, secure it to the enclosure backplate with screws through the rail’s mounting slots. Space the fasteners every 200 to 250 millimeters along the rail, with a screw at each end as a minimum \u2014 an unsupported rail end will flex under component weight and eventually fatigue the mounting clips of every device attached to it. Use a spirit level during installation. A DIN rail that’s even slightly tilted creates a slope that components can slowly creep down under vibration, and terminal blocks on an angled rail experience uneven clamping force.<\/p>\n\n<p>Between rows of DIN rail, leave 50 to 100 millimeters of clear space for wire duct (trunking). The duct carries field wiring across the panel, and skimping on duct space means overcrowded channels, difficult maintenance, and heat buildup. Above the tallest component on each rail, leave at least 25 to 50 millimeters before the next duct or rail \u2014 this is the space needed to snap components on and off without fighting adjacent structures.<\/p>\n\n<p>Heat-generating devices \u2014 power supplies, contactors, solid-state relays \u2014 need breathing room. Leave 5 to 10 millimeters of air gap between these components and their neighbors. And in every panel design, reserve 20 to 25 percent of the total rail length as empty space for future expansion. A fully populated panel looks tidy, but it forces expensive rework when the customer adds equipment two years later.<\/p>\n\n<h3>Grounding and End Stops<\/h3>\n\n<p>The most dangerous assumption in panel building is that bolting a DIN rail to a metal backplate automatically grounds it. It doesn’t. Paint, anodizing, zinc plating, and oxide layers all act as electrical insulators between the rail and the backplate. Even if a multimeter shows continuity at rest, that path may fail under fault current.<\/p>\n\n<p>The correct approach is explicit: install a dedicated grounding conductor \u2014 minimum 2.5 mm\u00b2 copper per IEC 61439-1 \u2014 from the DIN rail to the enclosure’s ground busbar, using a DIN-rail ground terminal block with an integrated metal spring contact that bites through the rail’s surface coating. These terminals are color-coded green-and-yellow for instant identification.<\/p>\n\n<p>Equally non-negotiable: <strong>end stops<\/strong> (also called end clamps or end brackets) at both ends of every component row. Without them, devices can slide along the rail during transport, under vibration from nearby machinery, or simply from thermal expansion and contraction cycles. A pair of end stops costs a few dollars. Finding a PLC that vibrated off its rail and tore out its field wiring during transit costs hundreds in troubleshooting time \u2014 and your reputation. Both UL 508A and IEC standards require mechanical retention at both ends of every mounted component group.<\/p>\n\n\n<div class=\"bp-3-dosdonts bd-reveal\">\n <div class=\"bp-3-do\">\n <h4><svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -2px; margin-right: 4px;\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/><polyline points=\"22 4 12 14.01 9 11.01\"\/><\/svg> Do<\/h4>\n <div class=\"bp-3-item\"><svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"color: var(--positive);\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span>Deburr every cut edge with a fine file<\/span><\/div>\n <div class=\"bp-3-item\"><svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"color: var(--positive);\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span>Use a spirit level \u2014 rail must be perfectly horizontal<\/span><\/div>\n <div class=\"bp-3-item\"><svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"color: var(--positive);\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span>Install end stops at both ends of every component row<\/span><\/div>\n <div class=\"bp-3-item\"><svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"color: var(--positive);\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span>Bond rail to ground busbar with dedicated 2.5 mm\u00b2+ conductor<\/span><\/div>\n <\/div>\n <div class=\"bp-3-dont\">\n <h4><svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -2px; margin-right: 4px;\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><line x1=\"15\" y1=\"9\" x2=\"9\" y2=\"15\"\/><line x1=\"9\" y1=\"9\" x2=\"15\" y2=\"15\"\/><\/svg> Don’t<\/h4>\n <div class=\"bp-3-item\"><svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"color: var(--negative);\"><line x1=\"18\" y1=\"6\" x2=\"6\" y2=\"18\"\/><line x1=\"6\" y1=\"6\" x2=\"18\" y2=\"18\"\/><\/svg><span>Skip deburring \u2014 sharp edges cut wires and hands<\/span><\/div>\n <div class=\"bp-3-item\"><svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"color: var(--negative);\"><line x1=\"18\" y1=\"6\" x2=\"6\" y2=\"18\"\/><line x1=\"6\" y1=\"6\" x2=\"18\" y2=\"18\"\/><\/svg><span>Assume metal-to-metal contact = automatic ground<\/span><\/div>\n <div class=\"bp-3-item\"><svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"color: var(--negative);\"><line x1=\"18\" y1=\"6\" x2=\"6\" y2=\"18\"\/><line x1=\"6\" y1=\"6\" x2=\"18\" y2=\"18\"\/><\/svg><span>Overfill wire ducts beyond 40% horizontal \/ 50% vertical<\/span><\/div>\n <div class=\"bp-3-item\"><svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"color: var(--negative);\"><line x1=\"18\" y1=\"6\" x2=\"6\" y2=\"18\"\/><line x1=\"6\" y1=\"6\" x2=\"18\" y2=\"18\"\/><\/svg><span>Fill 100% of rail length \u2014 leave 20\u201325% for future expansion<\/span><\/div>\n <\/div>\n<\/div>\n\n<h2 id=\"applications\">What Mounts on a DIN Rail? Applications and Selection Guide<\/h2>\n\n<img decoding=\"async\" src=\"https:\/\/www.omch.com\/wp-content\/uploads\/2026\/07\/Gemini_Generated_Image_iwfpe5iwfpe5iwfp.webp\" alt=\"\u63cf\u8ff0\u6587\u5b57\" class=\"bd-post-image\" loading=\"lazy\">\n<p>Everything covered so far leads to one question: what actually goes on these rails? The short answer is that DIN rail is the backbone of modern industrial control \u2014 the following table shows the most common component categories found on DIN rails worldwide.<\/p>\n\n<div class=\"table-wrapper\">\n<table>\n<thead><tr><th>Tipo de componente<\/th><th>Ejemplos t\u00edpicos<\/th><th>Common Width<\/th><th>Notes<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>Miniature Circuit Breakers (MCB)<\/td><td>1P\/2P\/3P breakers<\/td><td>18\u201354 mm (1\u20133M)<\/td><td>The most ubiquitous DIN rail component<\/td><\/tr>\n<tr><td>Fuentes de alimentaci\u00f3n conmutadas<\/td><td>24V DC DIN-rail PSUs, 15W\u2013480W<\/td><td>32\u2013120 mm<\/td><td>Control cabinet’s power backbone; allow spacing for cooling<\/td><\/tr>\n<tr><td>PLCs<\/td><td>Modular CPU + I\/O racks<\/td><td>Varies by brand\/model<\/td><td>CPU and expansion modules snap onto the same rail<\/td><\/tr>\n<tr><td>Rel\u00e9s<\/td><td>Electromechanical and solid-state<\/td><td>6\u201322 mm per relay<\/td><td>High-density installations \u2014 watch the heat<\/td><\/tr>\n<tr><td>Bloques de terminales<\/td><td>Feed-through, ground, fused, disconnect<\/td><td>5\u201312 mm per block<\/td><td>Build terminal strips to exact length; infinite configurability<\/td><\/tr>\n<tr><td>Contactores<\/td><td>AC and DC power contactors<\/td><td>45\u201390 mm<\/td><td>Heavy components; use 15 mm deep rail if possible<\/td><\/tr>\n<tr><td>Signal Conditioners<\/td><td>Analog isolators, temperature transmitters<\/td><td>6\u201322 mm<\/td><td>Lightweight; TS15 rail acceptable in tight spaces<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n<p>When you’re ready to select DIN rail and components for a project, the decision sequence is straightforward. First, confirm your rail type \u2014 99% of the time, you need slotted TS35\/7.5 galvanized steel. Second, match the material to the environment: indoor and climate-controlled calls for galvanized steel; outdoor, washdown, or coastal installations demand stainless steel. Third, buy your accessories at the same time \u2014 end stops, ground terminals, and mounting hardware are small line items that cause big delays if forgotten.<\/p>\n\n<p>Choosing the components that go on the rail \u2014 particularly the power supply, which is the single most critical element in any control panel \u2014 rewards a careful eye. Look for wide input voltage range (85\u2013264 VAC full-range means the same power supply works on any grid worldwide), recognized safety certifications (CE, RoHS, UL where required), and a manufacturer with enough product breadth to cover your full power budget from one source.<\/p>\n\n\n<div class=\"bp-cta-end bd-reveal\">\n <svg class=\"bp-cta-end-icon\" width=\"28\" height=\"28\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><rect x=\"2\" y=\"4\" width=\"20\" height=\"16\" rx=\"2\"\/><path d=\"m22 7-8.97 5.7a1.94 1.94 0 0 1-2.06 0L2 7\"\/><\/svg>\n <div class=\"bp-cta-end-title\">Spec Your DIN-Rail Power Supply Range<\/div>\n <div class=\"bp-cta-end-sub\">From 15W to 480W \u2014 one manufacturer, full coverage. Send your panel specs for a matching recommendation.<\/div>\n <a class=\"bp-cta-end-btn\" href=\"https:\/\/www.omch.com\/es\/contact\/\" target=\"_self\">\n Request a Quote\n <svg width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg>\n <\/a>\n<\/div>\n\n<p style=\"margin-top: var(--gap-section); font-size: 14px; color: var(--text-secondary); font-style: italic;\">This guide was built with reference to the IEC 60715:2017 standard, historical DIN\/EN standards documentation, and the practical experience of panel builders worldwide.<\/p>\n\n<p style=\"font-size: 14px; color: var(--text-secondary);\"><strong>References:<\/strong> Wikipedia contributors. “DIN rail.” Wikipedia. \u00b7 International Electrotechnical Commission. “IEC 60715:2017.” \u00b7 OMCH. “Switch Mode Power Supply.” <a href=\"https:\/\/www.omch.com\/es\/switch-mode-power-supply\/\">omch.com<\/a> \u00b7 OMCH. <a href=\"https:\/\/www.omch.com\/es\/\">omch.com<\/a><\/p>\n\n <\/article>\n<\/div>\n\n<\/body><\/html>","protected":false},"excerpt":{"rendered":"<p>What Is a DIN Rail? The Complete Guide to Types, Standards, and Installation What Is a DIN Rail? A DIN rail is a standardized metal mounting rail used inside electrical enclosures and control cabinets to hold circuit breakers, power supplies, relays, terminal blocks, PLCs, and other industrial control equipment. Instead of drilling individual mounting holes […]<\/p>","protected":false},"author":4,"featured_media":12052,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"What Is a DIN Rail? The Complete Guide to Types, Standards, and Installation","_seopress_titles_desc":"Complete guide to DIN rails. Learn about TS35 and TS15 dimensions, IEC 60715 standards, material selection (galvanized vs. stainless steel), and best installation practices.","_seopress_robots_index":"","footnotes":""},"categories":[79],"tags":[],"class_list":["post-12051","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mmlblog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/posts\/12051","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/comments?post=12051"}],"version-history":[{"count":1,"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/posts\/12051\/revisions"}],"predecessor-version":[{"id":12056,"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/posts\/12051\/revisions\/12056"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/media\/12052"}],"wp:attachment":[{"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/media?parent=12051"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/categories?post=12051"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/tags?post=12051"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":12051,"date":"2026-07-16T03:09:28","date_gmt":"2026-07-16T03:09:28","guid":{"rendered":"https:\/\/www.omch.com\/?p=12051"},"modified":"2026-07-16T03:09:30","modified_gmt":"2026-07-16T03:09:30","slug":"what-is-a-din-rail","status":"publish","type":"post","link":"https:\/\/www.omch.com\/es\/what-is-a-din-rail\/","title":{"rendered":"What Is a DIN Rail? The Complete Guide to Types, Standards, and Installation"},"content":{"rendered":"\n\n \n \n What Is a DIN Rail? The Complete Guide to Types, Standards, and Installation<\/title>\n<\/head>\n<body>\n\n<div class=\"bd-post\">\n <style>\n @import url('https:\/\/fonts.googleapis.com\/css2?family=Manrope:wght@400;600;700&family=Roboto:wght@600;700&display=swap');\n\n .bd-post {\n --prose-width: 720px;\n --gap-attach: 16px;\n --gap-normal: 32px;\n --gap-section: 48px;\n --pad-compact: 16px;\n --pad-standard: 24px;\n \/* Palette tokens \u2014 plan-gate validated *\/\n --body-bg: #FFFFFF;\n --text-primary: #333333;\n --text-secondary: #6E6E6E;\n --accent-text: #0D3972;\n --accent: #479DE2;\n --warm: #FD9649;\n --card-fill: #F4F9FC;\n --card-border: #C0C0C0;\n --card-text: #333333;\n --card-secondary: #6E6E6E;\n --card-accent: #0D3972;\n --inverse-bg: #1E1E1E;\n --inverse-text: #FFFFFF;\n --inverse-secondary: #B0B0B0;\n --inverse-accent: #479DE2;\n --panel-fill: #FAFAFA;\n --th-bg: #F0F4F8;\n --heading-ink: #000000;\n --row-hover: #F8FAFC;\n --positive: #1B7A3D;\n --negative: #C0392B;\n --btn-white: #FFFFFF;\n --btn-ink: #0D3972;\n font-family: \"Manrope\", sans-serif;\n font-size: 16px;\n font-weight: 400;\n line-height: 1.6;\n color: var(--text-primary);\n background: var(--body-bg);\n padding: 40px;\n max-width: 100%;\n box-sizing: border-box;\n }\n .bd-post a { overflow-wrap: anywhere; 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}\n .bd-post h1 { font-size: 26px; }\n .bd-post h2 { font-size: 26px; margin-top: 32px; }\n .bd-post h3 { font-size: 20px; margin-top: 24px; }\n .bd-post .bp-1-quickref { grid-template-columns: 1fr; }\n .bd-post .bp-3-dosdonts { grid-template-columns: 1fr; }\n .bd-post .bp-2-row { flex-wrap: wrap; }\n .bd-post .bp-2-env { min-width: 100%; }\n .bd-post .bp-cta-end { padding: var(--pad-standard) 20px; }\n .bd-post .bp-cta-end-title { font-size: 20px; }\n .bd-post .bp-cta-end-btn { font-size: 16px; padding: 12px 24px; }\n }\n <\/style>\n\n <article class=\"bd-post-article\">\n\n<h1><\/h1>\n\n<h2 id=\"what-is\">What Is a DIN Rail?<\/h2>\n\n<p>A <strong>DIN rail<\/strong> is a standardized metal mounting rail used inside electrical enclosures and control cabinets to hold circuit breakers, power supplies, relays, terminal blocks, PLCs, and other industrial control equipment. Instead of drilling individual mounting holes for every component, engineers snap devices onto the rail \u2014 saving time, saving space, and making future modifications trivial.<\/p>\n\n<p>The name comes from the <strong>Deutsches Institut f\u00fcr Normung<\/strong> \u2014 the German Institute for Standardization. What began as a German engineering solution in 1928, developed jointly by Phoenix Electrical Supply Company and the utility RWE, was refined through the 1950s into the profiles we use today and eventually adopted as international standards under the IEC.<\/p>\n\n<p>Think of a DIN rail as the chassis of a control panel. It provides mechanical support only \u2014 it is not designed to carry electrical current as a busbar, though it can serve as a chassis ground connection when properly bonded. An estimated 70% or more of the components inside a typical industrial control cabinet mount onto DIN rails. Without this simple piece of formed metal, panel building would be slower, bulkier, and far less modular.<\/p>\n\n<h2 id=\"types\">DIN Rail Types and Their Dimensions<\/h2>\n\n<p>The first question after “what is it?” is always “which type do I need?” The answer depends on what you’re mounting \u2014 and for 90% of applications, there’s one clear answer. Before diving into each type, here’s the framework: <strong>the components dictate the rail<\/strong>. Check the mounting specification on any industrial device you’re installing \u2014 it will tell you which profile it’s designed for.<\/p>\n\n<h3>TS35 Top Hat Rail \u2014 The Industry Standard<\/h3>\n\n<p>Walk past any control panel in any factory on any continent, and the rail you’ll see is almost certainly the TS35 \u2014 35 millimeters wide with a distinctive hat-shaped cross-section. It is the universal mounting interface for modern industrial control components.<\/p>\n\n<p>The TS35 comes in two depth variants under <strong>IEC 60715<\/strong>. The standard <strong>TH35-7.5<\/strong> measures 35 mm wide by 7.5 mm deep and handles the vast majority of control devices: miniature circuit breakers (MCBs), PLC CPU and I\/O modules, terminal blocks, slim relays, signal converters, and standard DIN-rail power supplies. When components get heavier \u2014 large contactors, multi-output power supplies above 240W, or installations subject to continuous vibration \u2014 the deeper <strong>TH35-15<\/strong> (35 \u00d7 15 mm) provides the extra rigidity needed. A practical rule of thumb: if a single component weighs more than about 1 kilogram, or if the cabinet will be mounted on moving machinery, use the 15 mm deep rail.<\/p>\n\n<p>One concept worth understanding is the <strong>module width system<\/strong>. Devices designed for TS35 rails follow a modular pitch where <strong>1 module (1M) equals 18 millimeters<\/strong>. A single-pole MCB occupies 1M (18 mm), a three-pole breaker takes 3M (54 mm), and a compact PLC might span 4M (72 mm). This system lets panel builders plan layouts by counting modules \u2014 no measuring tape required.<\/p>\n\n<p>TS35 rails are available in <strong>perforated<\/strong> (pre-punched with mounting slots) and <strong>unperforated<\/strong> versions. Perforated rail simplifies attachment to the backplate because the slots double as screw holes; unperforated rail provides a cleaner surface when using separate mounting brackets.<\/p>\n\n<h3>TS15 Miniature Top Hat Rail<\/h3>\n\n<p>When cabinet space is tight \u2014 a compact junction box, a retrofit into an older enclosure with limited real estate \u2014 the <strong>TS15<\/strong> rail offers a slimmed-down alternative at 15 mm wide by 5.5 mm deep. Governed by EN 50045 (BS 6273, DIN 46277-2), the TS15 is designed for small relays, sensor interface modules, and lightweight terminal blocks.<\/p>\n\n<p>The trade-off is load capacity. TS15 rails should not carry components exceeding roughly 0.5 kg. If you have the space, TS35 is always the better choice \u2014 but when every millimeter counts, TS15 solves a real problem.<\/p>\n\n<h3>C-Section and G-Type Rails \u2014 Legacy and Heavy-Duty<\/h3>\n\n<p>These are the rails you’ll encounter in older installations rather than new designs. <strong>C-section rails<\/strong> (standardized under the now-abrogated EN 50024) have a symmetrical C-shaped cross-section at 32 mm wide, available in four heights: C20 (20 mm), C30 (30 mm), C40 (40 mm), and C50 (50 mm). <strong>G-type rails<\/strong> (formerly EN 50035, BS 5825, DIN 46277-1) feature an asymmetrical G-shaped profile \u2014 32 mm wide by 15 mm deep \u2014 with the deeper side mounted at the bottom so equipment hooks over the top lip and rotates into place.<\/p>\n\n<p>Both types have been superseded by the IEC 60715 TS35 standard for new designs. However, if you maintain or retrofit equipment built before roughly the early 2000s, you may still find C- and G-rails inside. Be aware that many modern compact components will not fit these profiles without adapters.<\/p>\n\n\n<div class=\"bp-1-quickref bd-reveal\">\n <div class=\"bp-1-item\">\n <div class=\"bp-1-type\">TS35 Top Hat<\/div>\n <div class=\"bp-1-dims\">35 \u00d7 7.5 <span>mm<\/span><\/div>\n <div class=\"bp-1-use\">Standard for MCBs, PLCs, relays, terminal blocks, power supplies \u2014 the universal default. Also available in 15 mm deep version for heavy components.<\/div>\n <div class=\"bp-1-verdict\"><svg width=\"14\" height=\"14\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -3px; margin-right: 3px;\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg>Use for 90% of applications<\/div>\n <\/div>\n <div class=\"bp-1-item\">\n <div class=\"bp-1-type\">TS15 Miniature<\/div>\n <div class=\"bp-1-dims\">15 \u00d7 5.5 <span>mm<\/span><\/div>\n <div class=\"bp-1-use\">Compact junction boxes, tight retrofit spaces. For small relays and lightweight terminals only. Load limit ~0.5 kg.<\/div>\n <div class=\"bp-1-verdict\"><svg width=\"14\" height=\"14\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -3px; margin-right: 3px;\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg>Use only when space is critical<\/div>\n <\/div>\n <div class=\"bp-1-item\">\n <div class=\"bp-1-type\">C-Section<\/div>\n <div class=\"bp-1-dims\">32 <span>mm wide, C20\u2013C50 heights<\/span><\/div>\n <div class=\"bp-1-use\">Legacy installations, heavier loads. Symmetrical C-profile. Standard EN 50024 now abrogated \u2014 modern components may need adapters.<\/div>\n <div class=\"bp-1-verdict\"><svg width=\"14\" height=\"14\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -3px; margin-right: 3px;\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg>Legacy only; avoid for new builds<\/div>\n <\/div>\n <div class=\"bp-1-item\">\n <div class=\"bp-1-type\">G-Type<\/div>\n <div class=\"bp-1-dims\">32 \u00d7 15 <span>mm<\/span><\/div>\n <div class=\"bp-1-use\">Heavy-duty legacy equipment. Asymmetric G-profile, deep side down. Standard EN 50035 abrogated. Rare in modern panels.<\/div>\n <div class=\"bp-1-verdict\"><svg width=\"14\" height=\"14\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -3px; margin-right: 3px;\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg>Legacy heavy-duty; avoid for new builds<\/div>\n <\/div>\n<\/div>\n\n<h2 id=\"standards\">The Standards That Define DIN Rails<\/h2>\n\n<p>If every manufacturer built their own mounting system, a Siemens breaker wouldn’t fit on the same rail as an Allen-Bradley contactor. The reason they do \u2014 and the reason DIN rail became a global standard rather than a German curiosity \u2014 is standardization.<\/p>\n\n<p>The governing document today is <strong>IEC 60715<\/strong> (published as EN 60715 in Europe), whose full title is <em>Dimensions of low-voltage switchgear and controlgear \u2014 Standardized mounting on rails for mechanical support of electrical devices<\/em>. The current edition, published in 2017, defines the dimensional and functional requirements that ensure any compliant component from any manufacturer will mount securely on any compliant rail, anywhere in the world.<\/p>\n\n<div class=\"table-wrapper\">\n<table>\n<thead><tr><th>Est\u00e1ndar<\/th><th>Rail Type<\/th><th>Status<\/th><th>Notes<\/th><\/tr><\/thead>\n<tbody>\n<tr><td><strong>IEC\/EN 60715<\/strong><\/td><td>TS35 (35\u00d77.5 \/ 35\u00d715)<\/td><td>Actual<\/td><td>Global standard; superseded all older EN 50022 variants<\/td><\/tr>\n<tr><td>EN 50045<\/td><td>TS15 (15\u00d75.5)<\/td><td>Actual<\/td><td>Miniature rail standard<\/td><\/tr>\n<tr><td>EN 50022<\/td><td>TS35 top hat rail<\/td><td>Superseded<\/td><td>Replaced by IEC 60715<\/td><\/tr>\n<tr><td>EN 50035<\/td><td>G-type rail (G32)<\/td><td>Abrogated<\/td><td>No longer maintained; legacy equipment only<\/td><\/tr>\n<tr><td>EN 50024<\/td><td>C-section (C20\u2013C50)<\/td><td>Abrogated<\/td><td>No longer maintained; legacy equipment only<\/td><\/tr>\n<tr><td>EN 50023<\/td><td>75 mm wide top hat<\/td><td>Current (niche)<\/td><td>Rarely encountered outside specialized equipment<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n<p>If you remember one standard, make it <strong>IEC 60715<\/strong>. It governs the rail that carries over 90% of the world’s DIN-rail-mounted industrial components.<\/p>\n\n<h2 id=\"materials\">DIN Rail Materials and Construction Quality<\/h2>\n<img decoding=\"async\" src=\"https:\/\/www.omch.com\/wp-content\/uploads\/2026\/07\/Gemini_Generated_Image_q2wnzfq2wnzfq2wn.webp\" alt=\"\u63cf\u8ff0\u6587\u5b57\" class=\"bd-post-image\" loading=\"lazy\">\n\n<p>Here’s a blind spot in most DIN rail guides: they tell you about types and dimensions, but almost nobody talks about what the rail is actually made of \u2014 and material choice matters more than most engineers realize. The wrong material won’t stop your panel from working on day one. It’ll fail silently three years later, when corrosion has locked your circuit breakers onto a rail that won’t release them.<\/p>\n\n<p>There are three material families worth knowing, and the choice between them determines how long your rail lasts, what environments it can survive, and what you’ll pay.<\/p>\n\n<h3>Galvanized Steel \u2014 The Default Choice<\/h3>\n\n<p>Roughly 90% of DIN rails sold worldwide are cold-rolled carbon steel with a protective zinc coating. The base material \u2014 typically DC01 or DX51D grade steel (European designation) or Q195\/Q235 (Chinese standard) \u2014 is formed into the hat, C, or G profile at a thickness of 1.0 to 1.5 millimeters, then electroplated with a zinc layer 5 to 12 micrometers thick.<\/p>\n\n<p>That thin zinc layer does the heavy lifting against rust. In a standard indoor industrial environment \u2014 a climate-controlled factory floor, a commercial building’s electrical room \u2014 galvanized DIN rail can easily last 15 to 20 years without meaningful corrosion. The zinc sacrifices itself electrochemically before the steel underneath can oxidize.<\/p>\n\n<p>Where galvanized steel falls short is humidity and chemical exposure. In outdoor enclosures, coastal installations, food processing plants with washdown procedures, or any environment with airborne chlorides, that 5\u201312 \u03bcm zinc layer gets consumed in years rather than decades. The standard salt spray test benchmark for basic electroplated DIN rail is 48 to 96 hours of neutral salt spray (NSS) \u2014 adequate for indoor use, inadequate for harsh environments.<\/p>\n\n<h3>Stainless Steel \u2014 For Harsh Environments<\/h3>\n\n<p>When the installation environment turns aggressive \u2014 think offshore platforms, pharmaceutical cleanrooms, wastewater treatment plants, or anything within a kilometer of saltwater \u2014 stainless steel DIN rail stops being a premium option and becomes a necessity.<\/p>\n\n<p>Two grades dominate industrial DIN rail applications. <strong>AISI 304<\/strong> stainless steel (18\u201320% chromium, 8\u201310.5% nickel) handles most non-chloride corrosive environments and provides excellent durability in food, beverage, and general chemical processing settings. <strong>AISI 316<\/strong> stainless steel adds 2\u20133% molybdenum to the alloy, specifically to resist pitting corrosion from chlorides \u2014 this is the grade you want for marine environments, coastal installations, and any application involving salt spray or seawater exposure.<\/p>\n\n<p>Stainless DIN rail typically carries no additional surface coating \u2014 the material itself is the corrosion protection. In salt spray testing, stainless DIN rail can exceed 200 hours of NSS exposure without significant rust, compared to the 48\u201396 hours typical of galvanized steel. The cost premium is real \u2014 expect to pay roughly three to five times the price of equivalent galvanized rail \u2014 but in a corrosive environment, that premium buys you a 20-year service life instead of a 3-year replacement cycle.<\/p>\n\n<h3>Aluminum and Copper \u2014 Niche Applications<\/h3>\n\n<p>Two materials round out the options, though neither is common in general-purpose panel building. <strong>Aluminum DIN rail<\/strong> (typically 6063-T5 alloy with anodized finish) weighs roughly one-third as much as steel \u2014 a meaningful advantage in aircraft, rail vehicles, and mobile equipment where every kilogram counts. Its natural oxide layer provides decent corrosion resistance without additional plating. <strong>Copper DIN rail<\/strong> occupies a tiny niche where the rail itself doubles as a grounding busbar, leveraging copper’s superior conductivity \u2014 but the cost and lower mechanical strength make it impractical for general mounting use.<\/p>\n\n<p>For 99% of applications, the choice is binary: galvanized steel for indoor control panels, stainless steel for anything exposed to moisture or chemicals.<\/p>\n\n\n<div class=\"bp-2-chooser bd-reveal\">\n <div class=\"bp-2-title\">\n <svg width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><line x1=\"12\" y1=\"16\" x2=\"12\" y2=\"12\"\/><line x1=\"12\" y1=\"8\" x2=\"12.01\" y2=\"8\"\/><\/svg>\n Which Material for Your Environment?\n <\/div>\n <div class=\"bp-2-row\">\n <span class=\"bp-2-env\">Indoor \/ Climate-Controlled<\/span>\n <span class=\"bp-2-pick\">Galvanized Steel<\/span>\n <span class=\"bp-2-reason\">15\u201320 year life, best value for 90% of installations<\/span>\n <svg class=\"bp-2-icon\" width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg>\n <\/div>\n <div class=\"bp-2-row\">\n <span class=\"bp-2-env\">Outdoor \/ Coastal \/ Washdown<\/span>\n <span class=\"bp-2-pick\">Stainless Steel 316<\/span>\n <span class=\"bp-2-reason\">Molybdenum alloy resists chloride pitting \u2014 mandatory near saltwater<\/span>\n <svg class=\"bp-2-icon\" width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg>\n <\/div>\n <div class=\"bp-2-row\">\n <span class=\"bp-2-env\">Food \/ Pharma \/ Chemical<\/span>\n <span class=\"bp-2-pick\">Stainless Steel 304<\/span>\n <span class=\"bp-2-reason\">Excellent non-chloride corrosion resistance, no coating to degrade<\/span>\n <svg class=\"bp-2-icon\" width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg>\n <\/div>\n<\/div>\n\n<h2 id=\"installation\">How to Install DIN Rail Correctly<\/h2>\n\n<p>Knowing what DIN rail to buy is half the equation. Installing it properly \u2014 cutting it to length without creating a safety hazard, mounting it level and at the right spacing, and grounding it so it actually protects people \u2014 is where panel quality is won or lost.<\/p>\n\n<p>Three phases, each with its own set of non-negotiable details.<\/p>\n\n<h3>Cutting and Preparing the Rail<\/h3>\n\n<p>DIN rail typically arrives in 1-meter or 2-meter standard lengths, and your first job is cutting it to fit the enclosure backplate. The tool choice matters less than the technique: a hacksaw with a fine-tooth blade (24\u201332 teeth per inch) works for occasional jobs; a bandsaw gives cleaner, squarer cuts for production work; an angle grinder with a cutoff wheel is fast but generates heat that can damage the zinc coating near the cut edge. Dedicated DIN rail shears produce the cleanest result, but the cost only justifies itself in high-volume panel shops.<\/p>\n\n<p>Three rules separate a professional cut from a dangerous one. <strong>En primer lugar<\/strong>, mark your cut line with a square \u2014 a cut that’s even 2 degrees off perpendicular will leave your rail sitting crooked against the backplate. <strong>Second<\/strong>, deburr every cut edge. A sharp burr from a saw cut will slice through wire insulation and human skin with equal efficiency \u2014 a few passes with a fine-tooth file or a hand deburring tool takes ten seconds and eliminates the hazard. Never use a grinding wheel for deburring; the friction heat burns through the zinc plating and creates a bare steel spot that will rust within months. <strong>Third<\/strong>, verify the final length with a tolerance of \u00b10.5 mm \u2014 a rail cut too short leaves a gap at the end, and one cut too long won’t fit.<\/p>\n\n<h3>Mounting, Spacing, and Layout<\/h3>\n\n<p>With the rail cut to length, secure it to the enclosure backplate with screws through the rail’s mounting slots. Space the fasteners every 200 to 250 millimeters along the rail, with a screw at each end as a minimum \u2014 an unsupported rail end will flex under component weight and eventually fatigue the mounting clips of every device attached to it. Use a spirit level during installation. A DIN rail that’s even slightly tilted creates a slope that components can slowly creep down under vibration, and terminal blocks on an angled rail experience uneven clamping force.<\/p>\n\n<p>Between rows of DIN rail, leave 50 to 100 millimeters of clear space for wire duct (trunking). The duct carries field wiring across the panel, and skimping on duct space means overcrowded channels, difficult maintenance, and heat buildup. Above the tallest component on each rail, leave at least 25 to 50 millimeters before the next duct or rail \u2014 this is the space needed to snap components on and off without fighting adjacent structures.<\/p>\n\n<p>Heat-generating devices \u2014 power supplies, contactors, solid-state relays \u2014 need breathing room. Leave 5 to 10 millimeters of air gap between these components and their neighbors. And in every panel design, reserve 20 to 25 percent of the total rail length as empty space for future expansion. A fully populated panel looks tidy, but it forces expensive rework when the customer adds equipment two years later.<\/p>\n\n<h3>Grounding and End Stops<\/h3>\n\n<p>The most dangerous assumption in panel building is that bolting a DIN rail to a metal backplate automatically grounds it. It doesn’t. Paint, anodizing, zinc plating, and oxide layers all act as electrical insulators between the rail and the backplate. Even if a multimeter shows continuity at rest, that path may fail under fault current.<\/p>\n\n<p>The correct approach is explicit: install a dedicated grounding conductor \u2014 minimum 2.5 mm\u00b2 copper per IEC 61439-1 \u2014 from the DIN rail to the enclosure’s ground busbar, using a DIN-rail ground terminal block with an integrated metal spring contact that bites through the rail’s surface coating. These terminals are color-coded green-and-yellow for instant identification.<\/p>\n\n<p>Equally non-negotiable: <strong>end stops<\/strong> (also called end clamps or end brackets) at both ends of every component row. Without them, devices can slide along the rail during transport, under vibration from nearby machinery, or simply from thermal expansion and contraction cycles. A pair of end stops costs a few dollars. Finding a PLC that vibrated off its rail and tore out its field wiring during transit costs hundreds in troubleshooting time \u2014 and your reputation. Both UL 508A and IEC standards require mechanical retention at both ends of every mounted component group.<\/p>\n\n\n<div class=\"bp-3-dosdonts bd-reveal\">\n <div class=\"bp-3-do\">\n <h4><svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -2px; margin-right: 4px;\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"\/><polyline points=\"22 4 12 14.01 9 11.01\"\/><\/svg> Do<\/h4>\n <div class=\"bp-3-item\"><svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"color: var(--positive);\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span>Deburr every cut edge with a fine file<\/span><\/div>\n <div class=\"bp-3-item\"><svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"color: var(--positive);\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span>Use a spirit level \u2014 rail must be perfectly horizontal<\/span><\/div>\n <div class=\"bp-3-item\"><svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"color: var(--positive);\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span>Install end stops at both ends of every component row<\/span><\/div>\n <div class=\"bp-3-item\"><svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"color: var(--positive);\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span>Bond rail to ground busbar with dedicated 2.5 mm\u00b2+ conductor<\/span><\/div>\n <\/div>\n <div class=\"bp-3-dont\">\n <h4><svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -2px; margin-right: 4px;\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><line x1=\"15\" y1=\"9\" x2=\"9\" y2=\"15\"\/><line x1=\"9\" y1=\"9\" x2=\"15\" y2=\"15\"\/><\/svg> Don’t<\/h4>\n <div class=\"bp-3-item\"><svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"color: var(--negative);\"><line x1=\"18\" y1=\"6\" x2=\"6\" y2=\"18\"\/><line x1=\"6\" y1=\"6\" x2=\"18\" y2=\"18\"\/><\/svg><span>Skip deburring \u2014 sharp edges cut wires and hands<\/span><\/div>\n <div class=\"bp-3-item\"><svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"color: var(--negative);\"><line x1=\"18\" y1=\"6\" x2=\"6\" y2=\"18\"\/><line x1=\"6\" y1=\"6\" x2=\"18\" y2=\"18\"\/><\/svg><span>Assume metal-to-metal contact = automatic ground<\/span><\/div>\n <div class=\"bp-3-item\"><svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"color: var(--negative);\"><line x1=\"18\" y1=\"6\" x2=\"6\" y2=\"18\"\/><line x1=\"6\" y1=\"6\" x2=\"18\" y2=\"18\"\/><\/svg><span>Overfill wire ducts beyond 40% horizontal \/ 50% vertical<\/span><\/div>\n <div class=\"bp-3-item\"><svg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"color: var(--negative);\"><line x1=\"18\" y1=\"6\" x2=\"6\" y2=\"18\"\/><line x1=\"6\" y1=\"6\" x2=\"18\" y2=\"18\"\/><\/svg><span>Fill 100% of rail length \u2014 leave 20\u201325% for future expansion<\/span><\/div>\n <\/div>\n<\/div>\n\n<h2 id=\"applications\">What Mounts on a DIN Rail? Applications and Selection Guide<\/h2>\n\n<img decoding=\"async\" src=\"https:\/\/www.omch.com\/wp-content\/uploads\/2026\/07\/Gemini_Generated_Image_iwfpe5iwfpe5iwfp.webp\" alt=\"\u63cf\u8ff0\u6587\u5b57\" class=\"bd-post-image\" loading=\"lazy\">\n<p>Everything covered so far leads to one question: what actually goes on these rails? The short answer is that DIN rail is the backbone of modern industrial control \u2014 the following table shows the most common component categories found on DIN rails worldwide.<\/p>\n\n<div class=\"table-wrapper\">\n<table>\n<thead><tr><th>Tipo de componente<\/th><th>Ejemplos t\u00edpicos<\/th><th>Common Width<\/th><th>Notes<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>Miniature Circuit Breakers (MCB)<\/td><td>1P\/2P\/3P breakers<\/td><td>18\u201354 mm (1\u20133M)<\/td><td>The most ubiquitous DIN rail component<\/td><\/tr>\n<tr><td>Fuentes de alimentaci\u00f3n conmutadas<\/td><td>24V DC DIN-rail PSUs, 15W\u2013480W<\/td><td>32\u2013120 mm<\/td><td>Control cabinet’s power backbone; allow spacing for cooling<\/td><\/tr>\n<tr><td>PLCs<\/td><td>Modular CPU + I\/O racks<\/td><td>Varies by brand\/model<\/td><td>CPU and expansion modules snap onto the same rail<\/td><\/tr>\n<tr><td>Rel\u00e9s<\/td><td>Electromechanical and solid-state<\/td><td>6\u201322 mm per relay<\/td><td>High-density installations \u2014 watch the heat<\/td><\/tr>\n<tr><td>Bloques de terminales<\/td><td>Feed-through, ground, fused, disconnect<\/td><td>5\u201312 mm per block<\/td><td>Build terminal strips to exact length; infinite configurability<\/td><\/tr>\n<tr><td>Contactores<\/td><td>AC and DC power contactors<\/td><td>45\u201390 mm<\/td><td>Heavy components; use 15 mm deep rail if possible<\/td><\/tr>\n<tr><td>Signal Conditioners<\/td><td>Analog isolators, temperature transmitters<\/td><td>6\u201322 mm<\/td><td>Lightweight; TS15 rail acceptable in tight spaces<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n<p>When you’re ready to select DIN rail and components for a project, the decision sequence is straightforward. First, confirm your rail type \u2014 99% of the time, you need slotted TS35\/7.5 galvanized steel. Second, match the material to the environment: indoor and climate-controlled calls for galvanized steel; outdoor, washdown, or coastal installations demand stainless steel. Third, buy your accessories at the same time \u2014 end stops, ground terminals, and mounting hardware are small line items that cause big delays if forgotten.<\/p>\n\n<p>Choosing the components that go on the rail \u2014 particularly the power supply, which is the single most critical element in any control panel \u2014 rewards a careful eye. Look for wide input voltage range (85\u2013264 VAC full-range means the same power supply works on any grid worldwide), recognized safety certifications (CE, RoHS, UL where required), and a manufacturer with enough product breadth to cover your full power budget from one source.<\/p>\n\n\n<div class=\"bp-cta-end bd-reveal\">\n <svg class=\"bp-cta-end-icon\" width=\"28\" height=\"28\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><rect x=\"2\" y=\"4\" width=\"20\" height=\"16\" rx=\"2\"\/><path d=\"m22 7-8.97 5.7a1.94 1.94 0 0 1-2.06 0L2 7\"\/><\/svg>\n <div class=\"bp-cta-end-title\">Spec Your DIN-Rail Power Supply Range<\/div>\n <div class=\"bp-cta-end-sub\">From 15W to 480W \u2014 one manufacturer, full coverage. Send your panel specs for a matching recommendation.<\/div>\n <a class=\"bp-cta-end-btn\" href=\"https:\/\/www.omch.com\/es\/contact\/\" target=\"_self\">\n Request a Quote\n <svg width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg>\n <\/a>\n<\/div>\n\n<p style=\"margin-top: var(--gap-section); font-size: 14px; color: var(--text-secondary); font-style: italic;\">This guide was built with reference to the IEC 60715:2017 standard, historical DIN\/EN standards documentation, and the practical experience of panel builders worldwide.<\/p>\n\n<p style=\"font-size: 14px; color: var(--text-secondary);\"><strong>References:<\/strong> Wikipedia contributors. “DIN rail.” Wikipedia. \u00b7 International Electrotechnical Commission. “IEC 60715:2017.” \u00b7 OMCH. “Switch Mode Power Supply.” <a href=\"https:\/\/www.omch.com\/es\/switch-mode-power-supply\/\">omch.com<\/a> \u00b7 OMCH. <a href=\"https:\/\/www.omch.com\/es\/\">omch.com<\/a><\/p>\n\n <\/article>\n<\/div>\n\n<\/body><\/html>","protected":false},"excerpt":{"rendered":"<p>What Is a DIN Rail? The Complete Guide to Types, Standards, and Installation What Is a DIN Rail? A DIN rail is a standardized metal mounting rail used inside electrical enclosures and control cabinets to hold circuit breakers, power supplies, relays, terminal blocks, PLCs, and other industrial control equipment. Instead of drilling individual mounting holes […]<\/p>","protected":false},"author":4,"featured_media":12052,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"What Is a DIN Rail? The Complete Guide to Types, Standards, and Installation","_seopress_titles_desc":"Complete guide to DIN rails. Learn about TS35 and TS15 dimensions, IEC 60715 standards, material selection (galvanized vs. stainless steel), and best installation practices.","_seopress_robots_index":"","footnotes":""},"categories":[79],"tags":[],"class_list":["post-12051","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mmlblog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/posts\/12051","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/comments?post=12051"}],"version-history":[{"count":1,"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/posts\/12051\/revisions"}],"predecessor-version":[{"id":12056,"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/posts\/12051\/revisions\/12056"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/media\/12052"}],"wp:attachment":[{"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/media?parent=12051"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/categories?post=12051"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.omch.com\/es\/wp-json\/wp\/v2\/tags?post=12051"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}