{"id":4159,"date":"2026-03-05T11:00:54","date_gmt":"2026-03-05T03:00:54","guid":{"rendered":"https:\/\/www.sf6free-switchgear.com\/?post_type=product&#038;p=4159"},"modified":"2026-04-09T15:50:13","modified_gmt":"2026-04-09T07:50:13","slug":"gsr4-12-24-air-plus-new-type-environmentally-friendly-gas-fully-insulated-and-sealed-ring-main-unit","status":"publish","type":"product","link":"https:\/\/www.sf6free-switchgear.com\/index.php\/product\/gsr4-12-24-air-plus-new-type-environmentally-friendly-gas-fully-insulated-and-sealed-ring-main-unit\/","title":{"rendered":"GSR4-12\/24 Air Plus New Type Environmentally Friendly Gas Fully Insulated and Sealed Ring Main Unit"},"content":{"rendered":"<p>This product is a medium-voltage switchgear independently developed by Zhejiang Juhonkia Electric Co., Ltd., complying with State Grid&#8217;s standardized customization requirements. Adopting a modular design, it can realize the combination of common-box and extended units. All live parts are sealed in a stainless steel gas tank, unaffected by the environment. It has passed national-type tests and is widely used in various secondary power transmission and distribution scenarios to meet the flexible use needs of compact switchgear. It implements multiple national standards such as GB\/T 3804-2017.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. Modular design supporting flexible combination of multiple units;<br \/>\n2. Fully insulated and sealed structure with gas tank protection class IP67, resistant to flood and condensation;<br \/>\n3. Optional C4 mixed environmentally friendly gas (GWP is only 1\/11 of SF6), supporting seamless upgrade;<br \/>\n4. Rigid interlocking + pressure relief device, high safety and reliability;<br \/>\n5. Produced by automated assembly line, annual gas leakage rate &lt;0.01%, far superior to national standards;<br \/>\n6. Maintenance-free and long service life, adaptable to harsh environments;<\/p>\n","protected":false},"featured_media":4171,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[65],"product_tag":[],"class_list":{"0":"post-4159","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-eco-friendly-switchgear","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>GSR4-12\/24 Air Plus New Type Environmentally Friendly Gas Fully Insulated and Sealed Ring Main Unit - Putai High Voltage Electric %<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"GSR4-12\/24 Air Plus New Type Environmentally Friendly Gas Fully Insulated and Sealed Ring Main Unit - Putai High Voltage Electric %\" \/>\n<meta property=\"og:description\" content=\"1. 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