{"id":656,"date":"2026-05-20T13:58:57","date_gmt":"2026-05-20T13:58:57","guid":{"rendered":"https:\/\/haochengcompany.com\/?page_id=656"},"modified":"2026-07-04T13:55:50","modified_gmt":"2026-07-04T13:55:50","slug":"dfw-12-outdoor-hv-ring-main-unit","status":"publish","type":"page","link":"https:\/\/haochengcompany.com\/fr\/cable-branch-box-series\/dfw-12-outdoor-hv-ring-main-unit\/","title":{"rendered":"DFW 12 outdoor hv ring main unit"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"656\" class=\"elementor elementor-656\" data-elementor-settings=\"{&quot;element_pack_global_tooltip_width&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;element_pack_global_tooltip_width_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;element_pack_global_tooltip_width_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;element_pack_global_tooltip_padding&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_padding_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_padding_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_border_radius&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_border_radius_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_border_radius_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true}}\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-38dc2af e-flex e-con-boxed e-con e-parent\" data-id=\"38dc2af\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2d0dd60 elementor-widget elementor-widget-bdt-breadcrumbs\" data-id=\"2d0dd60\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"bdt-breadcrumbs.default\">\n\t\t\t\t\t<div class='bdt-ep-breadcrumbs-wrapper'><ul class=\"bdt-ep-breadcrumb breadcrumb-align-left\"><li><a href=\"https:\/\/haochengcompany.com\/fr\/\"><span class=\"bdt-ep-breadcrumbs-home-icon\"> <i aria-hidden=\"true\" class=\"fas fa-home\"><\/i> <\/span>Home<\/a><\/li>\n<li><span> Page<\/span><\/li>\n<\/ul><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8fd7b28 e-flex e-con-boxed e-con e-child\" data-id=\"8fd7b28\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-6634819 e-con-full e-flex e-con e-child\" data-id=\"6634819\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-b097c0b e-con-full e-flex e-con e-child\" data-id=\"b097c0b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8a09968 elementor-widget elementor-widget-image\" data-id=\"8a09968\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/haochengcompany.com\/wp-content\/uploads\/2026\/05\/DFW-12kv-1024x1024.webp\" class=\"attachment-large size-large wp-image-519\" alt=\"\" srcset=\"https:\/\/haochengcompany.com\/wp-content\/uploads\/2026\/05\/DFW-12kv-1024x1024.webp 1024w, https:\/\/haochengcompany.com\/wp-content\/uploads\/2026\/05\/DFW-12kv-300x300.webp 300w, https:\/\/haochengcompany.com\/wp-content\/uploads\/2026\/05\/DFW-12kv-150x150.webp 150w, https:\/\/haochengcompany.com\/wp-content\/uploads\/2026\/05\/DFW-12kv-768x768.webp 768w, https:\/\/haochengcompany.com\/wp-content\/uploads\/2026\/05\/DFW-12kv-1536x1536.webp 1536w, https:\/\/haochengcompany.com\/wp-content\/uploads\/2026\/05\/DFW-12kv-2048x2048.webp 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-af2793a e-con-full e-flex e-con e-child\" data-id=\"af2793a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f253f32 elementor-widget elementor-widget-heading\" data-id=\"f253f32\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">DFW 12 outdoor hv ring main unit<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4a1729d elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"4a1729d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">Customizable<\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-deae26c elementor-widget elementor-widget-text-editor\" data-id=\"deae26c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The DFW-12 series outdoor high-voltage switchgear is a gas-insulated outdoor ring main unit developed and manufactured by the company using foreign technology, based on the characteristics of distribution networks in various regions of China and the practical situation of urban cable distribution network renovations.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-effbb9d elementor-align-center elementor-widget elementor-widget-button\" data-id=\"effbb9d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjEzNCIsInRvZ2dsZSI6ZmFsc2V9\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">INQUIRY<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1a8ad7a e-flex e-con-boxed e-con e-parent\" data-id=\"1a8ad7a\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6f8c2fa elementor-widget elementor-widget-html\" data-id=\"6f8c2fa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\n<style>\n  .dfw12-card {\n    background: #fff;\n    border-radius: 10px;\n    box-shadow: 0 2px 16px rgba(0,0,0,0.07);\n    padding: 36px 40px;\n    margin-bottom: 28px;\n  }\n  .dfw12-section-title {\n    font-size: 19px;\n    font-weight: 700;\n    color: #1a1a2e;\n    margin-bottom: 20px;\n    padding-bottom: 12px;\n    border-bottom: 2px solid #e8eaf0;\n    position: relative;\n  }\n  .dfw12-section-title::before {\n    content: \"\";\n    position: absolute;\n    left: 0;\n    bottom: -2px;\n    width: 48px;\n    height: 2px;\n    background: #1a6fc4;\n    border-radius: 2px;\n  }\n  .dfw12-overview-text p {\n    font-size: 15px;\n    color: #555;\n    line-height: 1.85;\n    text-indent: 2em;\n    margin-bottom: 14px;\n  }\n  .dfw12-overview-text p:last-child { margin-bottom: 0; }\n  .dfw12-adv-group { margin-bottom: 28px; }\n  .dfw12-adv-group:last-child { margin-bottom: 0; }\n  .dfw12-adv-group-title {\n    display: flex;\n    align-items: center;\n    gap: 10px;\n    font-size: 15px;\n    font-weight: 700;\n    color: #1a1a2e;\n    margin-bottom: 14px;\n  }\n  .dfw12-icon-bar {\n    display: inline-block;\n    width: 4px;\n    height: 18px;\n    background: linear-gradient(180deg, #1a6fc4, #4a9fd4);\n    border-radius: 2px;\n    flex-shrink: 0;\n  }\n  .dfw12-adv-list {\n    list-style: none;\n    padding: 16px 20px;\n    background: #f8fafd;\n    border-radius: 8px;\n    margin: 0;\n  }\n  .dfw12-adv-list li {\n    font-size: 14.5px;\n    color: #555;\n    line-height: 1.75;\n    padding: 6px 0;\n    border-bottom: 1px solid #edf0f5;\n    display: flex;\n    align-items: flex-start;\n    gap: 10px;\n  }\n  .dfw12-adv-list li:last-child { border-bottom: none; }\n  .dfw12-adv-list li::before {\n    content: \"\";\n    display: inline-block;\n    width: 7px;\n    height: 7px;\n    border: 1.5px solid #1a6fc4;\n    border-radius: 1px;\n    flex-shrink: 0;\n    margin-top: 7px;\n  }\n  .dfw12-table-wrap {\n    border-radius: 8px;\n    overflow: hidden;\n    border: 1px solid #e4e8f0;\n  }\n  .dfw12-param-table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 14.5px;\n  }\n  .dfw12-param-table thead tr {\n    background: linear-gradient(90deg, #1a3a5c, #1a6fc4);\n  }\n  .dfw12-param-table th {\n    color: #fff;\n    font-weight: 500;\n    padding: 14px 18px;\n    letter-spacing: 0.02em;\n    text-align: center;\n  }\n  .dfw12-param-table th:nth-child(2) { text-align: left; }\n  .dfw12-param-table tbody tr:nth-child(even) { background: #f7f9fd; }\n  .dfw12-param-table tbody tr:hover { background: #eaf1fb; }\n  .dfw12-param-table td {\n    padding: 13px 18px;\n    border-bottom: 1px solid #e8ecf4;\n    color: #444;\n    text-align: center;\n    vertical-align: middle;\n  }\n  .dfw12-param-table td:nth-child(2) { text-align: left; color: #333; }\n  .dfw12-param-table tbody tr:last-child td { border-bottom: none; }\n  .dfw12-param-table td:first-child { font-weight: 600; color: #1a6fc4; font-size: 13.5px; }\n  .dfw12-param-table td:last-child { font-weight: 600; color: #1a3a5c; font-size: 14px; }\n<\/style>\n\n<!-- \u2500\u2500 Product Overview \u2500\u2500 -->\n<div class=\"dfw12-card\">\n  <h2 class=\"dfw12-section-title\">Product Overview<\/h2>\n  <div class=\"dfw12-overview-text\">\n    <p>The DFW-12 series outdoor high-voltage switchgear is a gas-insulated outdoor ring main unit developed and manufactured by the company using foreign technology, based on the characteristics of distribution networks in various regions of China and the practical situation of urban cable distribution network renovations.<\/p>\n    <p>The DFW-12 series outdoor high-voltage switchgear uses the SRM \u25a1 -12\/24 series SF6 fully sealed, fully insulated ring main switchgear. This switchgear features modular design, expandability, full insulation, complete sealing, safety and reliability, and maintenance-free operation. It is suitable for any harsh environment and is widely used in industrial parks, residential areas, streets, airports, various buildings, and busy commercial centers.<\/p>\n    <p>The DFW-12 series outdoor high-voltage switchgear has standard voltage levels of 12kV and 24kV and can be equipped with expandable distribution network automation functions, enabling intelligent operation of the ring main unit and making the power grid stronger and smarter.<\/p>\n  <\/div>\n<\/div>\n\n<!-- \u2500\u2500 Core Advantage \u2500\u2500 -->\n<div class=\"dfw12-card\">\n  <h2 class=\"dfw12-section-title\">Core Advantage<\/h2>\n\n  <div class=\"dfw12-adv-group\">\n    <div class=\"dfw12-adv-group-title\">\n      <span class=\"dfw12-icon-bar\"><\/span>\n      High Safety\n    <\/div>\n    <ul class=\"dfw12-adv-list\">\n      <li>All live parts are enclosed in an SF6 gas tank, achieving full sealing and full insulation;<\/li>\n      <li>Equipped with mechanical interlocks that meet the five-prevention requirements, preventing misoperation;<\/li>\n      <li>Incoming and outgoing cables use fully insulated, fully sealed touchable connections, maximizing personal safety;<\/li>\n      <li>The cabinet is equipped with a gas pressure monitoring device, enabling real-time monitoring of gas pressure during operation;<\/li>\n      <li>A blast-proof pressure relief device is installed at the lower rear of the gas tank, verified by authoritative internal arc tests.<\/li>\n    <\/ul>\n  <\/div>\n\n  <div class=\"dfw12-adv-group\">\n    <div class=\"dfw12-adv-group-title\">\n      <span class=\"dfw12-icon-bar\"><\/span>\n      Flexible Solutions\n    <\/div>\n    <ul class=\"dfw12-adv-list\">\n      <li>Flexible incoming and outgoing line options, allowing left, right, and bottom entry (exit);<\/li>\n      <li>Flexible combination options, allowing any combination between units with unlimited expansion;<\/li>\n      <li>Built-in busbar expansion method is used to fully meet usability, economy, and aesthetic requirements;<\/li>\n      <li>The design plan is flexible, capable of meeting on-site user requirements.<\/li>\n    <\/ul>\n  <\/div>\n<\/div>\n\n<!-- \u2500\u2500 Technical Parameters \u2500\u2500 -->\n<div class=\"dfw12-card\">\n  <h2 class=\"dfw12-section-title\">Technical Parameters<\/h2>\n  <div class=\"dfw12-table-wrap\">\n    <table class=\"dfw12-param-table\">\n      <thead>\n        <tr>\n          <th style=\"width:70px;\">No.<\/th>\n          <th>Name<\/th>\n          <th style=\"width:160px;\">Parameter<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr><td>1<\/td><td>Rated voltage<\/td><td>12 kV<\/td><\/tr>\n        <tr><td>2<\/td><td>Rated current<\/td><td>630A<\/td><\/tr>\n        <tr><td>3<\/td><td>Frequency withstand voltage (phase) to ground<\/td><td>42 kV\/min<\/td><\/tr>\n        <tr><td>4<\/td><td>Lightning impulse withstand voltage<\/td><td>75kV<\/td><\/tr>\n        <tr><td>5<\/td><td>Rated breaking current<\/td><td>630A<\/td><\/tr>\n        <tr><td>6<\/td><td>Rated short-circuit opening and closing current (peak)<\/td><td>50kA<\/td><\/tr>\n        <tr><td>7<\/td><td>Rated short-time withstand current<\/td><td>25kA\/4S<\/td><\/tr>\n        <tr><td>8<\/td><td>Rated peak withstand current<\/td><td>50kA<\/td><\/tr>\n        <tr><td>9<\/td><td>Rated breaking capacitor current<\/td><td>45A<\/td><\/tr>\n        <tr><td>10<\/td><td>Rated breaking inductor current<\/td><td>16A<\/td><\/tr>\n        <tr><td>11<\/td><td>Full load breaking frequency<\/td><td>&gt; 100<\/td><\/tr>\n        <tr><td>12<\/td><td>Switching and closing machine operation times<\/td><td>2000<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Home \u9875\u9762 DFW 12 outdoor hv ring main unit Customizable The DFW-12 series outdoor high-voltage switchgear is a gas-insulated outdoor ring main unit developed and manufactured by the company using foreign technology, based on the characteristics of distribution networks in various regions of China and the practical situation of urban cable distribution network renovations. INQUIRY [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":628,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_joinchat":[],"footnotes":""},"class_list":["post-656","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/haochengcompany.com\/fr\/wp-json\/wp\/v2\/pages\/656","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/haochengcompany.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/haochengcompany.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/haochengcompany.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/haochengcompany.com\/fr\/wp-json\/wp\/v2\/comments?post=656"}],"version-history":[{"count":3,"href":"https:\/\/haochengcompany.com\/fr\/wp-json\/wp\/v2\/pages\/656\/revisions"}],"predecessor-version":[{"id":1640,"href":"https:\/\/haochengcompany.com\/fr\/wp-json\/wp\/v2\/pages\/656\/revisions\/1640"}],"up":[{"embeddable":true,"href":"https:\/\/haochengcompany.com\/fr\/wp-json\/wp\/v2\/pages\/628"}],"wp:attachment":[{"href":"https:\/\/haochengcompany.com\/fr\/wp-json\/wp\/v2\/media?parent=656"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}