{"id":10031,"date":"2026-08-22T09:02:57","date_gmt":"2026-08-22T01:02:57","guid":{"rendered":"https:\/\/www.subian-electric.com\/?page_id=10031"},"modified":"2026-11-02T23:38:46","modified_gmt":"2026-11-02T15:38:46","slug":"high-voltage-gas-insulated-switchgear-manufacturers","status":"publish","type":"page","link":"https:\/\/subian-electric.com\/fr\/high-voltage-gas-insulated-switchgear-manufacturers\/","title":{"rendered":"Fabricants de tableaux de distribution isol\u00e9s au gaz haute tension"},"content":{"rendered":"\n<section class=\"web-sem-module web-sem-module-one\" style=\"min-width: 100%;\">\n<div class=\"web-sem-container\">\n<div class=\"web-sem-flex-box\">\n<div class=\"web-sem-text\"><span class=\"web-sem-tag\">COMPANY PROFILE<\/span><h1>High Voltage Gas Insulated Switchgear Manufacturers &#8211; Compact GIS Supply<\/h1><p>Subian Electric manufactures high voltage gas insulated switchgear &#8211; the XGN15-12 inflatable ring main unit &#8211; at its 50,000-square-metre factory in Xuzhou, Jiangsu, China. Subian&#8217;s 350+ employees have served utilities in 50+ countries since 2019.<\/p><p>As a factory-direct manufacturer and supplier, Subian provides gas insulated RMUs with compact footprints, factory pricing and complete test documentation.<\/p><p>Send your network configuration and requirements. Subian&#8217;s export team will respond with a quotation and drawings.<\/p><div style=\"margin-top: 24px;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; border-radius: 8px; box-shadow: 0 4px 20px rgba(0,0,0,0.08);\" src=\"\/wp-content\/uploads\/2026\/08\/subian-product-certification-marks.png\" alt=\"Subian Electric ISO9001 CE and UL product certification marks\"\/><\/div><div class=\"hy-lb-btn-wrap\" style=\"margin-top: 20px;\"><a class=\"hy-lb-btn\" href=\"\/contact-us\/\">Get a Quote<\/a><\/div><\/div>\n<div class=\"web-sem-media\">\n<div class=\"web-sem-main-img web-sem-rect-75\"><img decoding=\"async\" class=\"web-sem-full\" src=\"\/wp-content\/uploads\/2026\/08\/subian-electric-quality-center.webp\" alt=\"Gas insulated switchgear testing at Subian\"\/><\/div>\n<div class=\"web-sem-float-card\"><strong>Factory-Direct Manufacturer<\/strong>\nSince 2019 \u00b7 50,000m\u00b2 \u00b7 350+ Staff<\/div>\n<\/div>\n<\/div>\n<div class=\"web-sem-stats-grid\">\n<div class=\"web-sem-stat-item\"><strong>50,000m\u00b2<\/strong>Manufacturing Base<\/div>\n<div class=\"web-sem-stat-item\"><strong>XGN15-12<\/strong>RMU Series<\/div>\n<div class=\"web-sem-stat-item\"><strong>350+<\/strong>Employees<\/div>\n<div class=\"web-sem-stat-item\"><strong>50+<\/strong>Countries Served<\/div>\n<div class=\"web-sem-stat-item\"><strong>OEM\/ODM<\/strong>Support<\/div>\n<div class=\"web-sem-stat-item\"><strong>Wholesale<\/strong>Supply<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"singlepage-products-section\" style=\"min-width: 100%;\">\n<div class=\"singlepage-container\">\n<h2 class=\"singlepage-section-title\">Gas Insulated Ring Main Units Manufactured by Subian<\/h2>\n<p class=\"singlepage-section-desc\">XGN15-12 inflatable gas insulated ring main units for 12 kV loop networks and compact substations &#8211; compact, sealed and maintenance-free.<\/p>\n<div class=\"woocommerce columns-4 \"><ul class=\"products columns-4\" data-products=\"type-3\" data-hover=\"zoom-in\">\n<li class=\"product type-product post-1942 status-publish first instock product_cat-new-energy-box-change product_cat-all-product product_tag-fzn25-fzrn25 product_tag-indoor-vacuum-load-switch product_tag-load-break-switch has-post-thumbnail shipping-taxable product-type-simple\">\n\t<a href=\"https:\/\/subian-electric.com\/fr\/product\/indoor-high-voltage-vacuum-load-break-switch-fzn25-fzrn25-12kv-24kv\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/h8bcbde0ee2094749a6e5685633e7e705c-jpg_960x960-1.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Indoor High Voltage  Vacuum Load Break Switch--FZN25 FZRN25 12KV 24kV\" \/><h2 class=\"woocommerce-loop-product__title\">Indoor High Voltage  Vacuum Load Break Switch&#8211;FZN25 FZRN25 12KV 24kV<\/h2>\n<\/a><a href=\"https:\/\/subian-electric.com\/fr\/product\/indoor-high-voltage-vacuum-load-break-switch-fzn25-fzrn25-12kv-24kv\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1942\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"1942\" data-product_sku=\"\" aria-label=\"En savoir plus sur &ldquo;Indoor High Voltage  Vacuum Load Break Switch--FZN25 FZRN25 12KV 24kV&rdquo;\" rel=\"nofollow\" data-success_message=\"\">Lire la suite<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1942\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n<\/li>\n<li class=\"product type-product post-1989 status-publish instock product_cat-high-and-low-voltage-switchgear product_cat-all-product product_tag-ring-main-unit product_tag-sf6-ring-network-switchgear product_tag-xgn15-12 has-post-thumbnail shipping-taxable product-type-simple\">\n\t<a href=\"https:\/\/subian-electric.com\/fr\/product\/inflatable-ring-network-switchgear-xgn15-12\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/xgn15-12-inflatable-ring-network-switchgear.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Inflatable Ring Network Switchgear--XGN15-12\" \/><h2 class=\"woocommerce-loop-product__title\">Inflatable Ring Network Switchgear&#8211;XGN15-12<\/h2>\n<\/a><a href=\"https:\/\/subian-electric.com\/fr\/product\/inflatable-ring-network-switchgear-xgn15-12\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1989\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"1989\" data-product_sku=\"\" aria-label=\"En savoir plus sur &ldquo;Inflatable Ring Network Switchgear--XGN15-12&rdquo;\" rel=\"nofollow\" data-success_message=\"\">Lire la suite<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1989\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n<\/li>\n<li class=\"product type-product post-1983 status-publish instock product_cat-high-and-low-voltage-switchgear product_cat-all-product product_tag-hxgn15-12 product_tag-ring-main-unit product_tag-ring-network-switchgear has-post-thumbnail shipping-taxable product-type-simple\">\n\t<a href=\"https:\/\/subian-electric.com\/fr\/product\/metal-enclosed-ring-network-switchgear-hxgn15-12-ac\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/hxgn-12-fixed-type-metal-ring-main-switchgear.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"metal-enclosed ring network switchgear - HXGN15-12 AC\" \/><h2 class=\"woocommerce-loop-product__title\">metal-enclosed ring network switchgear &#8211; HXGN15-12 AC<\/h2>\n<\/a><a href=\"https:\/\/subian-electric.com\/fr\/product\/metal-enclosed-ring-network-switchgear-hxgn15-12-ac\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1983\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"1983\" data-product_sku=\"\" aria-label=\"En savoir plus sur &ldquo;metal-enclosed ring network switchgear - HXGN15-12 AC&rdquo;\" rel=\"nofollow\" data-success_message=\"\">Lire la suite<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1983\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n<\/li>\n<li class=\"product type-product post-1960 status-publish last instock product_cat-new-energy-box-change product_cat-all-product product_tag-outdoor-vacuum-circuit-breaker product_tag-pole-mounted-breaker product_tag-zw32-12 has-post-thumbnail shipping-taxable product-type-simple\">\n\t<a href=\"https:\/\/subian-electric.com\/fr\/product\/outdoor-vacuum-circuit-breaker-zw32-12\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/d907d8f8797e47148af487e8a0a48d6-1.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"outdoor vacuum circuit breaker--ZW32-12\" \/><h2 class=\"woocommerce-loop-product__title\">outdoor vacuum circuit breaker&#8211;ZW32-12<\/h2>\n<\/a><a href=\"https:\/\/subian-electric.com\/fr\/product\/outdoor-vacuum-circuit-breaker-zw32-12\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1960\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"1960\" data-product_sku=\"\" aria-label=\"En savoir plus sur &ldquo;outdoor vacuum circuit breaker--ZW32-12&rdquo;\" rel=\"nofollow\" data-success_message=\"\">Lire la suite<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1960\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n<\/li>\n<li class=\"product type-product post-1944 status-publish first instock product_cat-new-energy-box-change product_cat-all-product product_tag-outdoor-circuit-breaker product_tag-pole-mounted-breaker product_tag-sf6-circuit-breaker has-post-thumbnail shipping-taxable product-type-simple\">\n\t<a href=\"https:\/\/subian-electric.com\/fr\/product\/vacuum-sf6-circuit-breaker\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/haf46b562e9034fbdbf62c6b20009b84c6.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Vacuum\/SF6 Circuit Breaker--LW3-12 630A 3-Pole Outdoor Pole-Mounted\" \/><h2 class=\"woocommerce-loop-product__title\">Vacuum\/SF6 Circuit Breaker&#8211;LW3-12 630A 3-Pole Outdoor Pole-Mounted<\/h2>\n<\/a><a href=\"https:\/\/subian-electric.com\/fr\/product\/vacuum-sf6-circuit-breaker\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1944\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"1944\" data-product_sku=\"\" aria-label=\"En savoir plus sur &ldquo;Vacuum\/SF6 Circuit Breaker--LW3-12 630A 3-Pole Outdoor Pole-Mounted&rdquo;\" rel=\"nofollow\" data-success_message=\"\">Lire la suite<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1944\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n<\/li>\n<li class=\"product type-product post-1985 status-publish instock product_cat-high-and-low-voltage-switchgear product_cat-all-product product_tag-kyn28a-12 product_tag-metal-clad-switchgear product_tag-withdrawable-switchgear has-post-thumbnail shipping-taxable product-type-simple\">\n\t<a href=\"https:\/\/subian-electric.com\/fr\/product\/kyn28a-12-withdrawable-ac-metal-enclosed-switchgear\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/kyn28a-12-metal-clad-switchgear1.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"withdrawable AC metal-enclosed switchgear - KYN28A-12\" \/><h2 class=\"woocommerce-loop-product__title\">withdrawable AC metal-enclosed switchgear &#8211; KYN28A-12<\/h2>\n<\/a><a href=\"https:\/\/subian-electric.com\/fr\/product\/kyn28a-12-withdrawable-ac-metal-enclosed-switchgear\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1985\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"1985\" data-product_sku=\"\" aria-label=\"En savoir plus sur &ldquo;withdrawable AC metal-enclosed switchgear - KYN28A-12&rdquo;\" rel=\"nofollow\" data-success_message=\"\">Lire la suite<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1985\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n<\/li>\n<\/ul>\n<\/div>\n\n<\/div>\n<\/section>\n<section class=\"subian-semv2-acbr\" aria-labelledby=\"subian-semv2-acbr-title\">\n<section class=\"subian-semv2-compare\"><div class=\"subian-semv2-compare-row\"><div class=\"subian-semv2-compare-text\"><h2 id=\"subian-semv2-acbr-title\">What Is High Voltage Gas Insulated Switchgear?<\/h2>\n<p>Gas insulated switchgear (GIS) seals the live components in an insulating gas, allowing a much smaller footprint than air-insulated designs. The XGN15-12 RMU is the standard GIS format for distribution.<br\/><br\/>Gas insulated RMUs suit urban networks, compact substations and indoor installations where space is at a premium and maintenance access is limited.<\/p><\/div><div class=\"subian-semv2-compare-media\"><img src=\"\/wp-content\/uploads\/2026\/08\/h8bcbde0ee2094749a6e5685633e7e705c-jpg_960x960-1.png\" alt=\"FZN25 FZRN25 12KV 24kV manufactured by Subian Electric\" loading=\"lazy\" decoding=\"async\"\/><\/div><\/div><\/section><section class=\"subian-semv2-brands\"><div class=\"subian-semv2-brands-row\"><div class=\"subian-semv2-brands-media\"><img src=\"\/wp-content\/uploads\/2026\/08\/Indoor-High-Voltage-Vacuum-Load-Break-Switch-FZN25-FZRN25-12KV-24kV-1.webp\" alt=\"FZN25 FZRN25 12KV 24kV manufactured by Subian Electric\" loading=\"lazy\" decoding=\"async\"\/><\/div><div class=\"subian-semv2-brands-text\"><h3 class=\"subian-semv2-acbr-subtitle\">What Buyers Check Before Ordering<\/h3><ul class=\"subian-semv2-acbr-points\"><li><strong>Compact footprint<\/strong> &#8211; sealed gas insulation saves space.<\/li><li><strong>Maintenance-free<\/strong> &#8211; sealed design reduces service work.<\/li><li><strong>12 kV class<\/strong> &#8211; standard for distribution RMUs.<\/li><li><strong>50,000m\u00b2 factory<\/strong> &#8211; in-house assembly and testing.<\/li><li><strong>350+ employees<\/strong> &#8211; engineering, quality and export teams.<\/li><li><strong>OEM \/ ODM &amp; wholesale<\/strong> &#8211; custom branding, packaging and volume supply.<\/li><\/ul><\/div><\/div><\/section><h3 class=\"subian-semv2-acbr-subtitle\">Main Types of Gas Insulated Switchgear<\/h3>\n<p class=\"subian-semv2-acbr-subtitle-desc\">Subian manufactures two GIS configurations:<\/p>\n\n<div class=\"subian-semv2-grid\"><article class=\"subian-semv2-card\"><img src=\"\/wp-content\/uploads\/2026\/08\/d907d8f8797e47148af487e8a0a48d6-1.jpg\" alt=\"Ring main unit - High Voltage Gas Insulated Switchgear\" loading=\"lazy\" decoding=\"async\"\/><div class=\"subian-semv2-card-body\"><div class=\"subian-semv2-card-top\"><h4 class=\"subian-semv2-card-title\">Ring main unit<\/h4><p><span class=\"subian-semv2-card-tag\">MV ring<\/span><\/p><\/div><p class=\"subian-semv2-card-desc\">Compact 2-3 function units for loop networks.<\/p><hr class=\"subian-semv2-card-line\"\/><p class=\"subian-semv2-card-features\">RMU \/ 630 A \/ 20 kA 3 s<\/p><p><a class=\"subian-semv2-factory-link\" href=\"\/high-voltage-gas-insulated-switchgear-manufacturers\/\">See the range<\/a><\/p><\/div><\/article><article class=\"subian-semv2-card\"><img src=\"\/wp-content\/uploads\/2026\/08\/outdoor-vacuum-circuit-breaker-ZW32-12-1.webp\" alt=\"Transformer feeder unit - High Voltage Gas Insulated Switchgear\" loading=\"lazy\" decoding=\"async\"\/><div class=\"subian-semv2-card-body\"><div class=\"subian-semv2-card-top\"><h4 class=\"subian-semv2-card-title\">Transformer feeder unit<\/h4><p><span class=\"subian-semv2-card-tag\">Configuration<\/span><\/p><\/div><p class=\"subian-semv2-card-desc\">GIS with transformer protection functions.<\/p><hr class=\"subian-semv2-card-line\"\/><p class=\"subian-semv2-card-features\">IEC \/ project specification<\/p><p><a class=\"subian-semv2-factory-link\" href=\"\/high-and-low-voltage-switchgear\/\">See the range<\/a><\/p><\/div><\/article><\/div><h3 class=\"subian-semv2-acbr-subtitle\">Gas Insulated Switchgear Specifications<\/h3>\n<div class=\"subian-semv2-acbr-table-wrap\">\n<table class=\"subian-semv2-acbr-specs\">\n<thead>\n<tr>\n<th scope=\"col\">Parameter<\/th>\n<th scope=\"col\">Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">Rated voltage<\/th>\n<td>12 kV<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Rated current<\/th>\n<td>630 A<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Breaking capacity<\/th>\n<td>20 kA \/ 25 kA<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Gas<\/th>\n<td>SF6 \/ clean-air options<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Frequency<\/th>\n<td>50\/60 Hz<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Standard<\/th>\n<td>IEC 62271 \/ GB 3906<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<section class=\"subian-semv2-acbr\" aria-labelledby=\"high-voltage-gas-insulated-switchgear-manufacturers-compare\"><h2 id=\"high-voltage-gas-insulated-switchgear-manufacturers-compare\" style=\"font-size:26px;line-height:1.35;\">How to Compare High Voltage Gas Insulated Switchgear Suppliers<\/h2><p>Quotations for this equipment often look identical on the first page. The difference sits in what is attached behind the number, and in the three or four lines that decide the installed cost rather than the purchase price.<\/p><div class=\"subian-semv2-acbr-table-wrap\"><table class=\"subian-semv2-acbr-specs\"><thead><tr><th scope=\"col\">What to compare<\/th><th scope=\"col\">What a thin quotation leaves out<\/th><th scope=\"col\">What to ask for<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">Rated voltage and current<\/th><td>A busbar rating with no basis<\/td><td>Rated voltage, main busbar current and the short-time withstand current<\/td><\/tr><tr><th scope=\"row\">Short-circuit withstand<\/th><td>Peak value only<\/td><td>Icw for 1 s and Ipk, to IEC 61439-2 or IEC 62271-200<\/td><\/tr><tr><th scope=\"row\">Form of separation<\/th><td>The word compartmentalised<\/td><td>Form 2b, 3b or 4b, and whether the busbar is separated<\/td><\/tr><tr><th scope=\"row\">Internal arc classification<\/th><td>Not stated<\/td><td>IAC class and the test report, for MV equipment<\/td><\/tr><tr><th scope=\"row\">Device origin<\/th><td>A brand name with no model<\/td><td>Breaker model, breaking capacity and the manufacturer certificate<\/td><\/tr><tr><th scope=\"row\">Routine test<\/th><td>A visual check only<\/td><td>Insulation resistance, HV test, interlock and functional test records<\/td><\/tr><\/tbody><\/table><\/div><p>Buyers who compare on price alone usually discover the gap at commissioning. The six lines above are the ones that decide whether the unit or the panel can be energised without site work. <a href=\"\/oem-odm\/\">OEM and ODM supply<\/a> is available where the nameplate, manual and packing have to carry a different brand.<\/p><\/section><section class=\"subian-semv2-acbr\" aria-labelledby=\"high-voltage-gas-insulated-switchgear-manufacturers-ref\"><h2 id=\"high-voltage-gas-insulated-switchgear-manufacturers-ref\" style=\"font-size:26px;line-height:1.35;\">Which Standard Applies to High Voltage Gas Insulated Switchgear<\/h2><p>The purchase specification decides the insulation level, the enclosure test and the nameplate data. These are the standards buyers normally name in the enquiry.<\/p><div class=\"subian-semv2-acbr-table-wrap\"><table class=\"subian-semv2-acbr-specs\"><thead><tr><th scope=\"col\">Standard<\/th><th scope=\"col\">What it covers<\/th><th scope=\"col\">When it is asked for<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">IEC 61439-2<\/th><td>LV assemblies: design verification and routine test<\/td><td>Any LV panel for IEC markets<\/td><\/tr><tr><th scope=\"row\">IEC 62271-200<\/th><td>MV metal-enclosed switchgear up to 52 kV<\/td><td>RMU and KYN-type panels<\/td><\/tr><tr><th scope=\"row\">IEC 62271-100<\/th><td>High-voltage circuit breakers<\/td><td>Vacuum and SF6 breakers<\/td><\/tr><tr><th scope=\"row\">IEC 60529<\/th><td>Degrees of protection (IP code)<\/td><td>Outdoor and dusty installations<\/td><\/tr><tr><th scope=\"row\">IEC 60947-2<\/th><td>Low-voltage circuit breakers<\/td><td>Device selection inside the panel<\/td><\/tr><tr><th scope=\"row\">GB 7251.1 \/ GB 3906<\/th><td>Chinese equivalents for LV and MV assemblies<\/td><td>Domestic projects and CNAS reports<\/td><\/tr><\/tbody><\/table><\/div><p>Where two standards conflict, the purchase specification wins and the conflict is recorded on the drawing before production. Type test reports are issued against the model, so ask for the report that names the rating you are buying.<\/p><\/section><section class=\"subian-semv2-factory\" aria-labelledby=\"subian-semv2-factory-title\">\n<div class=\"subian-semv2-factory-head\">\n<h2 id=\"subian-semv2-factory-title\" class=\"subian-semv2-factory-title\">GIS Manufacturing at Subian&#8217;s 50,000 m\u00b2 Factory<\/h2>\n<p class=\"subian-semv2-factory-intro\">From enclosure assembly to gas filling, sealing and testing &#8211; every GIS unit is built and tested at Subian&#8217;s Xuzhou facility.<\/p>\n\n<\/div>\n<div class=\"subian-semv2-factory-gallery\">\n<div class=\"subian-semv2-factory-item subian-semv2-factory-item--a\"><img decoding=\"async\" class=\"subian-semv2-bg-img\" src=\"\/wp-content\/uploads\/2026\/08\/subian-electric-transformer-assembly-process.webp\" alt=\"Subian production workshop\"\/>\n<h3 class=\"subian-semv2-factory-card-title\">Production Workshop<\/h3>\n<p class=\"subian-semv2-factory-card-text\">Controlled winding, core processing and vacuum drying with quality checkpoints between every stage, so quality is built in from the start.<\/p>\n<a class=\"subian-semv2-factory-link\" href=\"\/about-us\/\">Learn More \u2192<\/a>\n\n<\/div>\n<div class=\"subian-semv2-factory-item subian-semv2-factory-item--b\"><img decoding=\"async\" class=\"subian-semv2-bg-img\" src=\"\/wp-content\/uploads\/2026\/08\/subian-electric-transformers-production-workshop.webp\" alt=\"Subian quality and testing center\"\/>\n<h3 class=\"subian-semv2-factory-card-title\">Quality &amp; Testing Center<\/h3>\n<p class=\"subian-semv2-factory-card-text\">Routine inspection on every unit before delivery, with type test reports supporting project approval and market certification.<\/p>\n<a class=\"subian-semv2-factory-link\" href=\"\/about-us\/\">Learn More \u2192<\/a>\n\n<\/div>\n<div class=\"subian-semv2-factory-item subian-semv2-factory-item--c\"><img decoding=\"async\" class=\"subian-semv2-bg-img\" src=\"\/wp-content\/uploads\/2026\/08\/subian-electric-quality-center.webp\" alt=\"Subian materials and component preparation\"\/>\n<h3 class=\"subian-semv2-factory-card-title\">Materials &amp; Components<\/h3>\n<p class=\"subian-semv2-factory-card-text\">Core materials, windings and components are checked against the approved bill of materials on every production run.<\/p>\n<a class=\"subian-semv2-factory-link\" href=\"\/oem-odm\/\">Learn More \u2192<\/a>\n\n<\/div>\n<div class=\"subian-semv2-factory-item subian-semv2-factory-item--d\"><img decoding=\"async\" class=\"subian-semv2-bg-img\" src=\"\/wp-content\/uploads\/2026\/08\/subian-product-certification-marks.png\" alt=\"Subian OEM ODM and agency supply services\"\/>\n<h3 class=\"subian-semv2-factory-card-title\">OEM \/ ODM \/ Agency Supply<\/h3>\n<p class=\"subian-semv2-factory-card-text\">Custom branding, packaging and configurations for global partners &#8211; from nameplate to complete product design &#8211; supported by a dedicated export team.<\/p>\n<a class=\"subian-semv2-factory-link\" href=\"\/oem-odm\/\">Learn More \u2192<\/a>\n\n<\/div>\n<\/div>\n<\/section>\n<section class=\"subian-semv2-cta\" aria-labelledby=\"subian-semv2-cta-title\">\n<div class=\"subian-semv2-cta-content\"><h2 id=\"subian-semv2-cta-title\">Gas Insulated Switchgear Factory Price &#8211; Request a Quote<\/h2><p>Send your specification, voltage level, capacity and quantity. Subian&#8217;s export team will respond with factory pricing, lead time and drawings for approval.<\/p><div class=\"subian-semv2-cta-actions\"><a class=\"subian-semv2-cta-btn subian-semv2-cta-btn--light\" href=\"\/oem-odm\/\">Get Started \u2192<\/a>\n<a class=\"subian-semv2-cta-btn subian-semv2-cta-btn--red\" href=\"\/contact-us\/\">Contact Us \u2192<\/a><\/div><\/div>\n<\/section>\n<section class=\"subian-semv2-section\" aria-labelledby=\"subian-semv2-title\">\n<div class=\"subian-semv2-head\">\n<h2 id=\"subian-semv2-title\" class=\"subian-semv2-head-title\">OEM\/ODM &amp; Wholesale GIS Supply<\/h2>\n<p class=\"subian-semv2-head-intro\">Utilities and distributors can brand or resell GIS units with custom nameplates and documentation.<\/p>\n\n<\/div>\n<div class=\"subian-semv2-grid\">\n<article class=\"subian-semv2-card\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/08\/subian-electric-quality-center.webp\" alt=\"OEM ODM manufacturing service\"\/>\n<div class=\"subian-semv2-card-body\">\n<div class=\"subian-semv2-card-top\">\n<h3 class=\"subian-semv2-card-title\">OEM \/ ODM<\/h3>\n<span class=\"subian-semv2-card-tag\">Factory-Direct<\/span>\n\n<\/div>\n<p class=\"subian-semv2-card-desc\">Custom branding, packaging and product variants built on Subian&#8217;s standard platforms &#8211; from a nameplate to full product design.<\/p>\n\n<hr class=\"subian-semv2-card-line\"\/>\n<p class=\"subian-semv2-card-features\">Custom nameplate \u00b7 Custom packaging \u00b7 Full test docs<\/p>\n\n<\/div>\n<\/article>\n<article class=\"subian-semv2-card\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/08\/subian-electric-transformer-assembly-process.webp\" alt=\"Wholesale supply with factory pricing\"\/>\n<div class=\"subian-semv2-card-body\">\n<div class=\"subian-semv2-card-top\">\n<h3 class=\"subian-semv2-card-title\">Wholesale Supply<\/h3>\n<span class=\"subian-semv2-card-tag\">Volume Pricing<\/span>\n\n<\/div>\n<p class=\"subian-semv2-card-desc\">Factory pricing with flexible container quantities, mixed models per container and reliable global shipping for volume buyers and importers.<\/p>\n\n<hr class=\"subian-semv2-card-line\"\/>\n<p class=\"subian-semv2-card-features\">Container MOQ \u00b7 Mixed models \u00b7 Global shipping<\/p>\n\n<\/div>\n<\/article>\n<article class=\"subian-semv2-card\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/08\/subian-electric-transformers-production-workshop.webp\" alt=\"Distributor support with account management\"\/>\n<div class=\"subian-semv2-card-body\">\n<div class=\"subian-semv2-card-top\">\n<h3 class=\"subian-semv2-card-title\">Distributor Support<\/h3>\n<span class=\"subian-semv2-card-tag\">Channel Partners<\/span>\n\n<\/div>\n<p class=\"subian-semv2-card-desc\">Dedicated account management, technical documentation and priority production for distributors and project clients.<\/p>\n\n<hr class=\"subian-semv2-card-line\"\/>\n<p class=\"subian-semv2-card-features\">Account manager \u00b7 Sales material \u00b7 Priority lead times<\/p>\n\n<\/div>\n<\/article><\/div>\n<\/section>\n<section class=\"subian-semv2-compare\" aria-labelledby=\"subian-semv2-compare-title\">\n<div class=\"subian-semv2-compare-row\">\n<div class=\"subian-semv2-compare-text\"><h2 id=\"subian-semv2-compare-title\">Gas Insulated vs Air Insulated Switchgear<\/h2><p>Gas insulated switchgear is far more compact and virtually maintenance-free, at higher cost; air insulated designs are cheaper but need much more space and regular maintenance.<\/p><p>For urban and indoor sites, the space saving of GIS usually justifies the cost.<\/p><\/div>\n<div class=\"subian-semv2-compare-media\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/08\/subian-electric-quality-center.webp\" alt=\"Comparison and selection guide\"\/><\/div>\n<\/div>\n<\/section>\n<section class=\"subian-semv2-brands\" aria-labelledby=\"subian-semv2-brands-title\">\n<div class=\"subian-semv2-brands-row\">\n<div class=\"subian-semv2-brands-media\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/08\/subian-electric-quality-center.webp\" alt=\"Manufacturers and suppliers in China\"\/><\/div>\n<div class=\"subian-semv2-brands-text\"><h2 id=\"subian-semv2-brands-title\">Choosing a Gas Insulated Switchgear Manufacturer<\/h2><p>Verify pressure sealing, type test evidence and gas handling compliance &#8211; the factors that define GIS reliability.<\/p><p>Subian Electric offers a 50,000m\u00b2 factory, 350+ employees, ISO9001, CE and UL certification and export to 50+ countries.<\/p><p>Send your network configuration &#8211; Subian will respond with a quotation and drawings.<\/p><div class=\"hy-lb-btn-wrap\"><a class=\"hy-lb-btn\" href=\"\/contact-us\/\">Get a Quote \u2192<\/a><\/div><\/div>\n<\/div>\n<\/section>\n<section class=\"subian-semv2-cred\" aria-labelledby=\"subian-semv2-cred-title\">\n<div class=\"subian-semv2-cred-head\">\n<h2 id=\"subian-semv2-cred-title\" class=\"subian-semv2-cred-title\">Certifications &amp; Quality Assurance<\/h2>\n<p class=\"subian-semv2-cred-intro\">Subian&#8217;s gas insulated switchgear is produced under ISO9001, ISO14001 and ISO45001 management systems, with CE and UL certification and type test reports.<\/p>\n\n<\/div>\n<h3 class=\"subian-semv2-cred-subtitle\">Product Certifications<\/h3>\n<div class=\"swiper subian-ab-cert-swiper swiper-initialized swiper-horizontal swiper-pointer-events\">\n<div class=\"swiper-wrapper\" style=\"cursor: grab; transition-duration: 0ms;\" aria-live=\"polite\">\n<div class=\"swiper-slide swiper-slide-active\" role=\"group\" aria-label=\"1 \/ 10\"><a class=\"subian-ab-cert glightbox3\" href=\"\/wp-content\/uploads\/2026\/08\/subian-electric-10kv-dry-type-certificate.webp\" data-gallery=\"subian-about-certificates\" data-title=\"10 kV Dry-Type Transformer Certificate\">\n<img loading=\"lazy\" decoding=\"async\" class=\"attachment-large size-large\" src=\"\/wp-content\/uploads\/2026\/08\/subian-electric-10kv-dry-type-certificate.webp\" alt=\"Subian Electric 10kv Dry Type certificate\" width=\"600\" height=\"848\"\/>\n<strong class=\"f18 lh-13\">10 kV Dry-Type Transformer Certificate<\/strong>\n<\/a><\/div>\n<div class=\"swiper-slide swiper-slide-next\" role=\"group\" aria-label=\"2 \/ 10\"><a class=\"subian-ab-cert glightbox3\" href=\"\/wp-content\/uploads\/2026\/08\/subian-electric-35kv-cb-certificate.webp\" data-gallery=\"subian-about-certificates\" data-title=\"35 kV Transformer CB Certificate\">\n<img loading=\"lazy\" decoding=\"async\" class=\"attachment-large size-large\" src=\"\/wp-content\/uploads\/2026\/08\/subian-electric-35kv-cb-certificate.webp\" alt=\"Subian Electric 35kv Cb certificate\" width=\"600\" height=\"848\"\/>\n<strong class=\"f18 lh-13\">35 kV Transformer CB Certificate<\/strong>\n<\/a><\/div>\n<div class=\"swiper-slide\" role=\"group\" aria-label=\"3 \/ 10\"><a class=\"subian-ab-cert glightbox3\" href=\"\/wp-content\/uploads\/2026\/08\/subian-electric-35kv-ce-certificate.webp\" data-gallery=\"subian-about-certificates\" data-title=\"35 kV Transformer CE Verification\">\n<img loading=\"lazy\" decoding=\"async\" class=\"attachment-large size-large\" src=\"\/wp-content\/uploads\/2026\/08\/subian-electric-35kv-ce-certificate.webp\" alt=\"Subian Electric 35kv CE certificate\" width=\"600\" height=\"848\"\/>\n<strong class=\"f18 lh-13\">35 kV Transformer CE Verification<\/strong>\n<\/a><\/div>\n<div class=\"swiper-slide\" role=\"group\" aria-label=\"4 \/ 10\"><a class=\"subian-ab-cert glightbox3\" href=\"\/wp-content\/uploads\/2026\/08\/subian-electric-ce-certificate.webp\" data-gallery=\"subian-about-certificates\" data-title=\"Transformer CE Certificate\">\n<img loading=\"lazy\" decoding=\"async\" class=\"attachment-large size-large\" src=\"\/wp-content\/uploads\/2026\/08\/subian-electric-ce-certificate.webp\" alt=\"Subian Electric CE certificate\" width=\"600\" height=\"848\"\/>\n<strong class=\"f18 lh-13\">Transformer CE Certificate<\/strong>\n<\/a><\/div>\n<div class=\"swiper-slide\" role=\"group\" aria-label=\"5 \/ 10\"><a class=\"subian-ab-cert glightbox3\" href=\"\/wp-content\/uploads\/2026\/08\/subian-electric-cn26i11c-certificate.webp\" data-gallery=\"subian-about-certificates\" data-title=\"Dry-Type Transformer Test Verification\">\n<img loading=\"lazy\" decoding=\"async\" class=\"attachment-large size-large\" src=\"\/wp-content\/uploads\/2026\/08\/subian-electric-cn26i11c-certificate.webp\" alt=\"Subian Electric Cn26i11c certificate\" width=\"600\" height=\"848\"\/>\n<strong class=\"f18 lh-13\">Dry-Type Transformer Test Verification<\/strong>\n<\/a><\/div>\n<div class=\"swiper-slide\" role=\"group\" aria-label=\"6 \/ 10\"><a class=\"subian-ab-cert glightbox3\" href=\"\/wp-content\/uploads\/2026\/08\/subian-electric-iso-14001-certificate.webp\" data-gallery=\"subian-about-certificates\" data-title=\"ISO 14001 Environmental Management\">\n<img loading=\"lazy\" decoding=\"async\" class=\"attachment-large size-large\" src=\"\/wp-content\/uploads\/2026\/08\/subian-electric-iso-14001-certificate.webp\" alt=\"Subian Electric ISO 14001 certificate\" width=\"600\" height=\"848\"\/>\n<strong class=\"f18 lh-13\">ISO 14001 Environmental Management<\/strong>\n<\/a><\/div>\n<div class=\"swiper-slide\" role=\"group\" aria-label=\"7 \/ 10\"><a class=\"subian-ab-cert glightbox3\" href=\"\/wp-content\/uploads\/2026\/08\/subian-electric-iso-45001-certificate.webp\" data-gallery=\"subian-about-certificates\" data-title=\"ISO 45001 Health &amp; Safety\">\n<img loading=\"lazy\" decoding=\"async\" class=\"attachment-large size-large\" src=\"\/wp-content\/uploads\/2026\/08\/subian-electric-iso-45001-certificate.webp\" alt=\"Subian Electric ISO 45001 certificate\" width=\"600\" height=\"848\"\/>\n<strong class=\"f18 lh-13\">ISO 45001 Health &amp; Safety<\/strong>\n<\/a><\/div>\n<div class=\"swiper-slide\" role=\"group\" aria-label=\"8 \/ 10\"><a class=\"subian-ab-cert glightbox3\" href=\"\/wp-content\/uploads\/2026\/08\/subian-electric-iso-9001-certificate.webp\" data-gallery=\"subian-about-certificates\" data-title=\"ISO 9001 Quality Management\">\n<img loading=\"lazy\" decoding=\"async\" class=\"attachment-large size-large\" src=\"\/wp-content\/uploads\/2026\/08\/subian-electric-iso-9001-certificate.webp\" alt=\"Subian Electric ISO 9001 certificate\" width=\"600\" height=\"848\"\/>\n<strong class=\"f18 lh-13\">ISO 9001 Quality Management<\/strong>\n<\/a><\/div>\n<div class=\"swiper-slide\" role=\"group\" aria-label=\"9 \/ 10\"><a class=\"subian-ab-cert glightbox3\" href=\"\/wp-content\/uploads\/2026\/08\/subian-electric-ssz22-63000-110-nx1-certificate.webp\" data-gallery=\"subian-about-certificates\" data-title=\"110 kV Transformer Type Test Report\">\n<img loading=\"lazy\" decoding=\"async\" class=\"attachment-large size-large\" src=\"\/wp-content\/uploads\/2026\/08\/subian-electric-ssz22-63000-110-nx1-certificate.webp\" alt=\"Subian Electric Ssz22 63000 110 Nx1 certificate\" width=\"600\" height=\"848\"\/>\n<strong class=\"f18 lh-13\">110 kV Transformer Type Test Report<\/strong>\n<\/a><\/div>\n<div class=\"swiper-slide\" role=\"group\" aria-label=\"10 \/ 10\"><a class=\"subian-ab-cert glightbox3\" href=\"\/wp-content\/uploads\/2026\/08\/subian-electric-ul-certificate.webp\" data-gallery=\"subian-about-certificates\" data-title=\"UL Certificate of Compliance\">\n<img loading=\"lazy\" decoding=\"async\" class=\"attachment-large size-large\" src=\"\/wp-content\/uploads\/2026\/08\/subian-electric-ul-certificate.webp\" alt=\"Subian Electric UL certificate\" width=\"600\" height=\"848\"\/>\n<strong class=\"f18 lh-13\">UL Certificate of Compliance<\/strong>\n<\/a><\/div>\n<\/div>\n\u00a0\n\n<\/div>\n<\/section>\n<section class=\"subian-related\" style=\"margin: 40px 0;\">\n<div style=\"max-width: 1200px; margin: 0 auto; padding: 0 24px;\">\n<h2 style=\"font-size: 24px; margin-bottom: 12px;\">Related Manufacturer Guides<\/h2>\n<ul style=\"columns: 2; column-gap: 48px; margin: 0; padding-left: 20px; line-height: 2;\">\n \t<li><a href=\"\/electric-distribution-transformer-manufacturers\/\">Electric Distribution Transformer Manufacturers<\/a><\/li>\n \t<li><a href=\"\/high-voltage-electrical-equipment-manufacturers\/\">High Voltage Electrical Equipment Manufacturers<\/a><\/li>\n \t<li><a href=\"\/potential-transformer-substation-manufacturers\/\">Voltage Transformer In Substation Manufacturers<\/a><\/li>\n \t<li><a href=\"\/about-us\/\">About Subian&#8217;s Factory<\/a><\/li>\n \t<li><a href=\"\/oem-odm\/\">OEM \/ ODM Programs<\/a><\/li>\n \t<li><a href=\"\/contact-us\/\">Contact Subian&#8217;s Export Team<\/a><\/li>\n<\/ul>\n<\/div>\n<\/section>\n<section class=\"subian-faq-contact\">\n<div class=\"subian-faq-contact__container\">\n<div class=\"subian-faq-contact__grid\">\n<div class=\"subian-faq-contact__left\"><span class=\"subian-faq-contact__eyebrow\">FAQs<\/span>\n<h2 class=\"subian-faq-contact__title\">Gas Insulated Switchgear FAQ<\/h2>\n<p class=\"subian-faq-contact__intro\">Answers to the questions buyers ask most about gas insulated switchgear.<\/p>\n\n<div class=\"subian-faq\"><details class=\"subian-faq__item\">\n<summary class=\"subian-faq__question\">What is gas insulated switchgear?<\/summary>\n<div class=\"subian-faq__answer\">Switchgear that seals live components in insulating gas, achieving a compact footprint with sealed, low-maintenance construction.<\/div>\n<\/details><details class=\"subian-faq__item\">\n<summary class=\"subian-faq__question\">What is the XGN15-12?<\/summary>\n<div class=\"subian-faq__answer\">An inflatable ring main unit series for 12 kV distribution &#8211; compact, sealed and standard for urban and compact substation duty.<\/div>\n<\/details><details class=\"subian-faq__item\">\n<summary class=\"subian-faq__question\">Why choose GIS over air-insulated switchgear?<\/summary>\n<div class=\"subian-faq__answer\">Far smaller footprint, sealed components and minimal maintenance &#8211; decisive for urban and indoor sites.<\/div>\n<\/details><details class=\"subian-faq__item\">\n<summary class=\"subian-faq__question\">What gas is used?<\/summary>\n<div class=\"subian-faq__answer\">SF6 is standard; clean-air alternatives can be specified for environmental requirements.<\/div>\n<\/details><details class=\"subian-faq__item\">\n<summary class=\"subian-faq__question\">Do you provide type test reports?<\/summary>\n<div class=\"subian-faq__answer\">Yes &#8211; pressure, breaking and internal arc reports are available.<\/div>\n<\/details><details class=\"subian-faq__item\">\n<summary class=\"subian-faq__question\">What is the minimum order quantity?<\/summary>\n<div class=\"subian-faq__answer\">Single units are available; project volumes receive the best factory pricing.<\/div>\n<\/details><details class=\"subian-faq__item\"><summary class=\"subian-faq__question\">What is the lead time for High Voltage Gas Insulated Switchgear?<\/summary><div class=\"subian-faq__answer\">Panels are typically 20-30 days from drawing approval for standard configurations, and 35-50 days where the scheme needs a non-standard busbar, a special IP rating or a utility-approved breaker. The approval date on the general arrangement drawing starts the clock.<\/div><\/details><details class=\"subian-faq__item\"><summary class=\"subian-faq__question\">Which standard is High Voltage Gas Insulated Switchgear built to?<\/summary><div class=\"subian-faq__answer\">LV assemblies to IEC 61439-2, MV metal-enclosed switchgear to IEC 62271-200 and breakers to IEC 62271-100. Where a project names GB or IEEE instead, the panel is built to that standard and the test report follows it.<\/div><\/details><\/div>\n<\/div>\n<div class=\"subian-faq-contact__form\">\n<p class=\"subian-faq-contact__form-label\">Contact Subian<\/p>\n\n<h3 class=\"subian-faq-contact__form-title\">Need the Right Specification?<\/h3>\n<p class=\"subian-faq-contact__form-copy\">Tell Subian your target market, product type, quantity and technical requirements. Subian&#8217;s team will help you identify a suitable configuration for your project.<\/p>\n<div class='fluentform ff-default fluentform_wrapper_1 ffs_default_wrap'><form data-form_id=\"1\" id=\"fluentform_1\" class=\"frm-fluent-form fluent_form_1 ff-el-form-top ff_form_instance_1_1 ff-form-loading ff_has_v3_recptcha ffs_default\" data-form_instance=\"ff_form_instance_1_1\" method=\"POST\" data-recptcha_key=\"6LeYOw0uAAAAAI4O2znHFO8pLGzi5NpiBNdweYUC\" ><fieldset  style=\"border: none!important;margin: 0!important;padding: 0!important;background-color: transparent!important;box-shadow: none!important;outline: none!important; min-inline-size: 100%;\">\n                    <legend class=\"ff_screen_reader_title\" style=\"display: block; margin: 0!important;padding: 0!important;height: 0!important;text-indent: -999999px;width: 0!important;overflow:hidden;\">Contact Form Demo<\/legend>        <div\n                style=\"display: none!important; position: absolute!important; transform: translateX(1000%)!important;\"\n                class=\"ff-el-group ff-hpsf-container\"\n        >\n            <div class=\"ff-el-input--label asterisk-right\">\n                <label for=\"ff_1_item_sf\" aria-label=\"Notify\">\n                    Notify                <\/label>\n            <\/div>\n            <div class=\"ff-el-input--content\">\n                <input type=\"text\"\n                       name=\"item_1__fluent_sf\"\n                       class=\"ff-el-form-control\"\n                       id=\"ff_1_item_sf\"\n                \/>\n            <\/div>\n        <\/div>\n                <input type=\"hidden\" id=\"__fluent_protection_token_1\" class=\"fluent-form-token-field\" name=\"__fluent_protection_token_1\">\n        <input type='hidden' name='__fluent_form_embded_post_id' value='10031' \/><input type=\"hidden\" id=\"_fluentform_1_fluentformnonce\" name=\"_fluentform_1_fluentformnonce\" value=\"e48903d6da\" \/><input type=\"hidden\" name=\"_wp_http_referer\" 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\"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Switchgear that seals live components in insulating gas, achieving a compact footprint with sealed, low-maintenance construction.\"}}, {\"@type\": \"Question\", \"name\": \"What is the XGN15-12?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"An inflatable ring main unit series for 12 kV distribution - compact, sealed and standard for urban and compact substation duty.\"}}, {\"@type\": \"Question\", \"name\": \"Why choose GIS over air-insulated switchgear?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Far smaller footprint, sealed components and minimal maintenance - decisive for urban and indoor sites.\"}}, {\"@type\": \"Question\", \"name\": \"What gas is used?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"SF6 is standard; clean-air alternatives can be specified for environmental requirements.\"}}, {\"@type\": \"Question\", \"name\": \"Do you provide type test reports?\", \"acceptedAnswer\": 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