{"id":3062,"date":"2026-04-07T16:07:26","date_gmt":"2026-04-07T08:07:26","guid":{"rendered":"https:\/\/www.cnhaitan.net\/?p=3062"},"modified":"2026-04-10T16:13:12","modified_gmt":"2026-04-10T08:13:12","slug":"high-strength-dmc-molded-insulators-for-switchgear-busbar-support","status":"publish","type":"post","link":"https:\/\/www.cnhaitan.net\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/high-strength-dmc-molded-insulators-for-switchgear-busbar-support","title":{"rendered":"High-Strength DMC Molded Insulators for Switchgear Busbar Support"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u5207\u308a\u66ff\u3048\u307e\u3059\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u30c8\u30b0\u30eb<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.cnhaitan.net\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/high-strength-dmc-molded-insulators-for-switchgear-busbar-support\/#Introduction\" >\u5c0e\u5165<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.cnhaitan.net\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/high-strength-dmc-molded-insulators-for-switchgear-busbar-support\/#What_Are_DMC_Molded_Insulators\" >What Are DMC Molded Insulators?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.cnhaitan.net\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/high-strength-dmc-molded-insulators-for-switchgear-busbar-support\/#Key_Advantages_of_High-Strength_DMC_Insulators\" >Key Advantages of High-Strength DMC Insulators<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.cnhaitan.net\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/high-strength-dmc-molded-insulators-for-switchgear-busbar-support\/#Exceptional_Mechanical_Strength\" >Exceptional Mechanical Strength<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.cnhaitan.net\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/high-strength-dmc-molded-insulators-for-switchgear-busbar-support\/#Excellent_Electrical_Insulation\" >Excellent Electrical Insulation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.cnhaitan.net\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/high-strength-dmc-molded-insulators-for-switchgear-busbar-support\/#Superior_Pollution_Resistance\" >Superior Pollution Resistance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.cnhaitan.net\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/high-strength-dmc-molded-insulators-for-switchgear-busbar-support\/#Outstanding_Aging_Resistance\" >Outstanding Aging Resistance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.cnhaitan.net\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/high-strength-dmc-molded-insulators-for-switchgear-busbar-support\/#Flame_Retardancy_and_Safety\" >Flame Retardancy and Safety<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.cnhaitan.net\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/high-strength-dmc-molded-insulators-for-switchgear-busbar-support\/#Non-Standard_Customization_Capabilities\" >Non-Standard Customization Capabilities<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.cnhaitan.net\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/high-strength-dmc-molded-insulators-for-switchgear-busbar-support\/#Applications_in_Switchgear_Busbar_Support\" >Applications in Switchgear Busbar Support<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.cnhaitan.net\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/high-strength-dmc-molded-insulators-for-switchgear-busbar-support\/#Why_Choose_High-Strength_DMC_Molded_Insulators\" >Why Choose High-Strength DMC Molded Insulators?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.cnhaitan.net\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/high-strength-dmc-molded-insulators-for-switchgear-busbar-support\/#Conclusion\" >\u7d50\u8ad6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.cnhaitan.net\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/high-strength-dmc-molded-insulators-for-switchgear-busbar-support\/#FAQ\" >\u3088\u304f\u3042\u308b\u8cea\u554f<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Introduction\"><\/span><strong>\u5c0e\u5165<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>In modern electrical distribution systems, especially in medium- and low-voltage switchgear, the reliability of insulation components is critical. Among these components, <a href=\"https:\/\/www.cnhaitan.net\/ja\/%e4%bd%8e%e5%9c%a7%e7%b5%b6%e7%b8%81%e4%bd%93\/sb-insulator\/\" target=\"_blank\" rel=\"noopener\"><strong>DMC (Dough Molding Compound) molded insulators<\/strong>\u00a0<\/a>play a vital role in ensuring safe and stable busbar support. With their excellent mechanical strength, superior insulation performance, and adaptability to harsh environments, high-strength DMC insulators have become a preferred choice across various industries.<\/p>\n<h2><a href=\"https:\/\/www.cnhaitan.net\/ja\/%e4%bd%8e%e5%9c%a7%e7%b5%b6%e7%b8%81%e4%bd%93\/sb-insulator\/\" target=\"_blank\" rel=\"noopener\"><strong><b><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3063 size-full\" title=\"High Strength DMC Molded Insulators for Switchgear Busbar Support\" src=\"https:\/\/www.cnhaitan.net\/wp-content\/uploads\/2026\/04\/High-Strength-DMC-Molded-Insulators-for-Switchgear-Busbar-Support.jpg\" alt=\"High Strength DMC Molded Insulators for Switchgear Busbar Support\" width=\"473\" height=\"354\" srcset=\"https:\/\/www.cnhaitan.net\/wp-content\/uploads\/2026\/04\/High-Strength-DMC-Molded-Insulators-for-Switchgear-Busbar-Support.jpg 473w, https:\/\/www.cnhaitan.net\/wp-content\/uploads\/2026\/04\/High-Strength-DMC-Molded-Insulators-for-Switchgear-Busbar-Support-300x225.jpg 300w, https:\/\/www.cnhaitan.net\/wp-content\/uploads\/2026\/04\/High-Strength-DMC-Molded-Insulators-for-Switchgear-Busbar-Support-16x12.jpg 16w\" sizes=\"auto, (max-width: 473px) 100vw, 473px\" \/><\/b><\/strong><\/a><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"What_Are_DMC_Molded_Insulators\"><\/span><strong><b>What Are DMC Molded Insulators?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DMC molded insulators are manufactured using <strong>thermosetting polyester resin reinforced with glass fibers and fillers<\/strong>, molded under high temperature and pressure. This process results in a rigid, durable insulating component with excellent dimensional stability and electrical properties.<\/p>\n<p>They are widely used in:<\/p>\n<p>Switchgear systems<\/p>\n<p>Busbar support structures<\/p>\n<p>\u914d\u96fb\u76e4<\/p>\n<p>Industrial control panels<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Key_Advantages_of_High-Strength_DMC_Insulators\"><\/span><strong><b>Key Advantages of High-Strength DMC Insulators<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Exceptional_Mechanical_Strength\"><\/span><strong><b>Exceptional Mechanical Strength<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>High-strength <a href=\"https:\/\/www.cnhaitan.net\/ja\/%e4%bd%8e%e5%9c%a7%e7%b5%b6%e7%b8%81%e4%bd%93\/sb-insulator\/\" target=\"_blank\" rel=\"noopener\">DMC\u30a4\u30f3\u30b7\u30e5\u30ec\u30fc\u30bf\u30fc<\/a> are designed to withstand significant mechanical loads. In switchgear applications, busbars can experience vibration, thermal expansion, and electromagnetic forces during operation. <a href=\"https:\/\/www.cnhaitan.net\/ja\/%e4%bd%8e%e5%9c%a7%e7%b5%b6%e7%b8%81%e4%bd%93\/sb-insulator\/\" target=\"_blank\" rel=\"noopener\">DMC\u30a4\u30f3\u30b7\u30e5\u30ec\u30fc\u30bf\u30fc<\/a> provide reliable structural support, preventing deformation or displacement.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Excellent_Electrical_Insulation\"><\/span><strong><b>Excellent Electrical Insulation<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DMC materials offer <strong>high dielectric strength and low electrical conductivity<\/strong>, ensuring effective insulation between conductive components. This minimizes the risk of short circuits and enhances overall system safety.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Superior_Pollution_Resistance\"><\/span><strong><b>Superior Pollution Resistance<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In environments with dust, moisture, or chemical contaminants, insulation performance can degrade over time. DMC molded insulators feature:<\/p>\n<p>Smooth, non-porous surfaces<\/p>\n<p>Strong resistance to tracking and leakage currents<\/p>\n<p>These properties make them ideal for use in <strong>polluted or high-humidity environments<\/strong>, maintaining stable performance even under challenging conditions.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Outstanding_Aging_Resistance\"><\/span><strong><b>Outstanding Aging Resistance<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Unlike some traditional materials, <a href=\"https:\/\/www.cnhaitan.net\/ja\/%e4%bd%8e%e5%9c%a7%e7%b5%b6%e7%b8%81%e4%bd%93\/sb-insulator\/\" target=\"_blank\" rel=\"noopener\">DMC\u30a4\u30f3\u30b7\u30e5\u30ec\u30fc\u30bf\u30fc<\/a> exhibit excellent resistance to:<\/p>\n<p>\u7d2b\u5916\u7dda<\/p>\n<p>Thermal aging<\/p>\n<p>Environmental stress<\/p>\n<p>This ensures a <strong>long service life<\/strong>, reducing maintenance costs and improving system reliability over time.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Flame_Retardancy_and_Safety\"><\/span><strong><b>Flame Retardancy and Safety<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Many DMC formulations are inherently flame-retardant, meeting stringent safety standards for electrical equipment. This adds an extra layer of protection in case of electrical faults or overheating.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Non-Standard_Customization_Capabilities\"><\/span><strong><b>Non-Standard Customization Capabilities<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>One of the key advantages of DMC molded insulators is their flexibility in design and manufacturing. Manufacturers can provide <strong>customized solutions<\/strong>\u00a0based on specific project requirements, including:<\/p>\n<p>Different shapes and sizes<\/p>\n<p>Custom mounting hole configurations<\/p>\n<p>Varying creepage distances<\/p>\n<p>Color and surface finish options<\/p>\n<p>Special performance requirements (e.g., higher strength, enhanced insulation)<\/p>\n<p>This makes DMC insulators suitable for <strong>OEM applications and specialized electrical systems<\/strong>\u00a0where standard components may not meet design constraints.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Applications_in_Switchgear_Busbar_Support\"><\/span><strong><b>Applications in Switchgear Busbar Support<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>In switchgear systems, busbars carry high currents and require stable, insulated support. High-strength <a href=\"https:\/\/www.cnhaitan.net\/ja\/%e4%bd%8e%e5%9c%a7%e7%b5%b6%e7%b8%81%e4%bd%93\/sb-insulator\/\" target=\"_blank\" rel=\"noopener\">DMC\u30a4\u30f3\u30b7\u30e5\u30ec\u30fc\u30bf\u30fc<\/a> are used to:<\/p>\n<p>Secure busbars in position<\/p>\n<p>Maintain proper spacing between phases<\/p>\n<p>Prevent electrical faults and flashovers<\/p>\n<p>Withstand thermal and mechanical stresses<\/p>\n<p>Their combination of strength, insulation, and environmental resistance ensures <strong>long-term operational stability<\/strong>\u00a0in demanding power distribution environments.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Why_Choose_High-Strength_DMC_Molded_Insulators\"><\/span><strong><b>Why Choose High-Strength DMC Molded Insulators?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Choosing the right insulation solution directly impacts the safety and efficiency of electrical systems. High-strength DMC molded insulators offer:<\/p>\n<p>Reliable mechanical and electrical performance<\/p>\n<p>Resistance to pollution and environmental aging<\/p>\n<p>Long service life with minimal maintenance<\/p>\n<p>Flexible customization for diverse applications<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong><b>\u7d50\u8ad6<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>As power systems continue to evolve toward higher efficiency and reliability, the demand for durable and high-performance insulation components is growing. High-strength DMC molded insulators provide an ideal solution for switchgear busbar support, combining <strong>robust construction, excellent insulation, and adaptability to harsh environments<\/strong>.<\/p>\n<p>Whether for standard installations or customized projects, <a href=\"https:\/\/www.cnhaitan.net\/ja\/%e4%bd%8e%e5%9c%a7%e7%b5%b6%e7%b8%81%e4%bd%93\/sb-insulator\/\" target=\"_blank\" rel=\"noopener\">DMC\u30a4\u30f3\u30b7\u30e5\u30ec\u30fc\u30bf\u30fc<\/a> deliver the performance and reliability needed to keep modern electrical systems running safely and efficiently.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQ\"><\/span><strong><b>\u3088\u304f\u3042\u308b\u8cea\u554f<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong><b>1. What does DMC stand for in molded insulators?<\/b><\/strong><\/p>\n<p>DMC stands for <strong>\u751f\u5730\u6210\u5f62\u6750\u6599<\/strong>, a thermosetting material reinforced with glass fibers for high strength and insulation.<\/p>\n<p><strong><b>2. Are DMC insulators suitable for outdoor use?<\/b><\/strong><\/p>\n<p>Yes, due to their <strong>UV resistance and pollution resistance<\/strong>, they can be used in certain outdoor or semi-outdoor environments.<\/p>\n<p><strong><b>3. Can DMC insulators be customized?<\/b><\/strong><\/p>\n<p>Absolutely. Manufacturers offer <strong>non-standard customization<\/strong>\u00a0to meet specific design, size, and performance requirements.<\/p>\n<p><strong><b>4. How do DMC insulators compare to epoxy insulators?<\/b><\/strong><\/p>\n<p>DMC insulators typically offer <strong>better cost efficiency and faster production<\/strong>, while still maintaining strong mechanical and electrical performance.<\/p>\n<p><strong><b>5. What industries use DMC molded insulators?<\/b><\/strong><\/p>\n<p>They are widely used in <strong>power distribution, industrial automation, renewable energy, transportation, and infrastructure projects<\/strong>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction In modern electrical distribution systems, especially in medium- and low-voltage switchgear, the reliability of insulation components is critical. Among these components, DMC (Dough Molding Compound) molded insulators\u00a0play a vital role in ensuring safe and stable busbar support. With their excellent mechanical strength, superior insulation performance, and adaptability to harsh environments, high-strength DMC insulators have become a preferred choice across various industries. What Are DMC Molded Insulators? DMC molded insulators are manufactured using thermosetting polyester resin reinforced with glass fibers and fillers, molded under high temperature and pressure. This process results in a rigid, durable insulating component with excellent dimensional stability and electrical properties. They are widely used in: Switchgear&hellip; <a class=\"more-link\" href=\"https:\/\/www.cnhaitan.net\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/high-strength-dmc-molded-insulators-for-switchgear-busbar-support\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"screen-reader-text\">High-Strength DMC Molded Insulators for Switchgear Busbar Support<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":3063,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3062","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-newsroom","entry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.cnhaitan.net\/ja\/wp-json\/wp\/v2\/posts\/3062","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cnhaitan.net\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cnhaitan.net\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cnhaitan.net\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cnhaitan.net\/ja\/wp-json\/wp\/v2\/comments?post=3062"}],"version-history":[{"count":1,"href":"https:\/\/www.cnhaitan.net\/ja\/wp-json\/wp\/v2\/posts\/3062\/revisions"}],"predecessor-version":[{"id":3064,"href":"https:\/\/www.cnhaitan.net\/ja\/wp-json\/wp\/v2\/posts\/3062\/revisions\/3064"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cnhaitan.net\/ja\/wp-json\/wp\/v2\/media\/3063"}],"wp:attachment":[{"href":"https:\/\/www.cnhaitan.net\/ja\/wp-json\/wp\/v2\/media?parent=3062"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cnhaitan.net\/ja\/wp-json\/wp\/v2\/categories?post=3062"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cnhaitan.net\/ja\/wp-json\/wp\/v2\/tags?post=3062"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}