{"id":981,"date":"2021-05-06T07:33:59","date_gmt":"2021-05-06T07:33:59","guid":{"rendered":"https:\/\/www.wolunelectric.com\/?post_type=product&#038;p=981"},"modified":"2026-05-20T14:04:19","modified_gmt":"2026-05-20T06:04:19","slug":"gw4-33kv-40-5kv-outdoor-high-voltage-disconnect-switch","status":"publish","type":"product","link":"https:\/\/www.wolunelectric.com\/id\/product\/gw4-33kv-40-5kv-outdoor-high-voltage-disconnect-switch\/","title":{"rendered":"GW4 33kV 40.5kV Sakelar Pemutus Tegangan Tinggi Luar Ruangan"},"content":{"rendered":"<div>\n<p data-start=\"428\" data-end=\"624\">The GW4 series covers voltage levels from <strong data-start=\"470\" data-end=\"495\">33kV, 35kV, to 40.5kV<\/strong>, making it widely used in <strong data-start=\"522\" data-end=\"582\">110kV and 66kV substations (step-down side applications)<\/strong> and medium-voltage distribution networks.<\/p>\n<p data-start=\"626\" data-end=\"647\">It is mainly used to:<\/p>\n<ul data-start=\"648\" data-end=\"865\">\n<li data-section-id=\"25rs1g\" data-start=\"648\" data-end=\"701\">isolate high-voltage equipment during maintenance<\/li>\n<li data-section-id=\"183sglt\" data-start=\"702\" data-end=\"755\">provide a <strong data-start=\"714\" data-end=\"753\">visible air-gap disconnection point<\/strong><\/li>\n<li data-section-id=\"jq1lq9\" data-start=\"756\" data-end=\"821\">safely disconnect busbars, transformers, and circuit breakers<\/li>\n<li data-section-id=\"soy06e\" data-start=\"822\" data-end=\"865\">operate only under <strong data-start=\"843\" data-end=\"865\">no-load conditions<\/strong><\/li>\n<\/ul>\n<p data-start=\"867\" data-end=\"904\">The switch is typically installed in:<\/p>\n<ul data-start=\"905\" data-end=\"1018\">\n<li data-section-id=\"1271wgt\" data-start=\"905\" data-end=\"928\">outdoor substations<\/li>\n<li data-section-id=\"1012aar\" data-start=\"929\" data-end=\"945\">power plants<\/li>\n<li data-section-id=\"19idyps\" data-start=\"946\" data-end=\"972\">industrial switchyards<\/li>\n<li data-section-id=\"10e1na7\" data-start=\"973\" data-end=\"1018\">renewable energy (wind\/solar) substations<\/li>\n<\/ul>\n<h2 data-section-id=\"7jig15\" data-start=\"1020\" data-end=\"1036\">Main Features<\/h2>\n<ul data-start=\"1038\" data-end=\"1428\">\n<li data-section-id=\"5gey06\" data-start=\"1038\" data-end=\"1072\">Rated voltage: <strong data-start=\"1055\" data-end=\"1072\">33kV \/ 40.5kV<\/strong><\/li>\n<li data-section-id=\"172liu8\" data-start=\"1073\" data-end=\"1114\">Outdoor installation, heavy-duty design<\/li>\n<li data-section-id=\"1xuhjiv\" data-start=\"1115\" data-end=\"1156\">Double-column or center-break structure<\/li>\n<li data-section-id=\"ts7d98\" data-start=\"1157\" data-end=\"1204\">Visible isolation gap for safety confirmation<\/li>\n<li data-section-id=\"17e5quy\" data-start=\"1205\" data-end=\"1246\">Manual or motorized operation available<\/li>\n<li data-section-id=\"ibawxq\" data-start=\"1247\" data-end=\"1300\">Optional single or double grounding switch (D type)<\/li>\n<li data-section-id=\"sic0im\" data-start=\"1301\" data-end=\"1351\">Anti-pollution porcelain or composite insulators<\/li>\n<li data-section-id=\"1dvcq52\" data-start=\"1352\" data-end=\"1386\">Strong mechanical linkage system<\/li>\n<li data-section-id=\"4hnrek\" data-start=\"1387\" data-end=\"1428\">Suitable for harsh outdoor environments<\/li>\n<\/ul>\n<h2 data-section-id=\"10k04es\" data-start=\"1430\" data-end=\"1484\">Technical Specifications (Typical for 40.5kV class)<\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" style=\"height: 595px;\" width=\"920\" data-start=\"1486\" data-end=\"1912\">\n<thead data-start=\"1486\" data-end=\"1510\">\n<tr data-start=\"1486\" data-end=\"1510\">\n<th class=\"last:pe-10\" data-start=\"1486\" data-end=\"1493\" data-col-size=\"sm\">Item<\/th>\n<th class=\"last:pe-10\" data-start=\"1493\" data-end=\"1510\" data-col-size=\"sm\">Spesifikasi<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1521\" data-end=\"1912\">\n<tr data-start=\"1521\" data-end=\"1554\">\n<td data-start=\"1521\" data-end=\"1537\" data-col-size=\"sm\">Tegangan Pengenal<\/td>\n<td data-col-size=\"sm\" data-start=\"1537\" data-end=\"1554\">33kV \/ 40.5kV<\/td>\n<\/tr>\n<tr data-start=\"1555\" data-end=\"1578\">\n<td data-start=\"1555\" data-end=\"1567\" data-col-size=\"sm\">Frequency<\/td>\n<td data-col-size=\"sm\" data-start=\"1567\" data-end=\"1578\">50\/60Hz<\/td>\n<\/tr>\n<tr data-start=\"1579\" data-end=\"1627\">\n<td data-start=\"1579\" data-end=\"1595\" data-col-size=\"sm\">Nilai Saat Ini<\/td>\n<td data-start=\"1595\" data-end=\"1627\" data-col-size=\"sm\">630A \/ 1250A \/ 1600A \/ 2000A<\/td>\n<\/tr>\n<tr data-start=\"1628\" data-end=\"1690\">\n<td data-start=\"1628\" data-end=\"1659\" data-col-size=\"sm\">Short-Time Withstand Current<\/td>\n<td data-start=\"1659\" data-end=\"1690\" data-col-size=\"sm\">20kA \/ 25kA \/ 31.5kA \/ 40kA<\/td>\n<\/tr>\n<tr data-start=\"1691\" data-end=\"1746\">\n<td data-start=\"1691\" data-end=\"1716\" data-col-size=\"sm\">Peak Withstand Current<\/td>\n<td data-col-size=\"sm\" data-start=\"1716\" data-end=\"1746\">50kA \/ 63kA \/ 80kA \/ 100kA<\/td>\n<\/tr>\n<tr data-start=\"1747\" data-end=\"1792\">\n<td data-start=\"1747\" data-end=\"1783\" data-col-size=\"sm\">Power Frequency Withstand Voltage<\/td>\n<td data-start=\"1783\" data-end=\"1792\" data-col-size=\"sm\">~95kV<\/td>\n<\/tr>\n<tr data-start=\"1793\" data-end=\"1841\">\n<td data-start=\"1793\" data-end=\"1831\" data-col-size=\"sm\">Lightning Impulse Withstand Voltage<\/td>\n<td data-col-size=\"sm\" data-start=\"1831\" data-end=\"1841\">~185kV<\/td>\n<\/tr>\n<tr data-start=\"1842\" data-end=\"1880\">\n<td data-start=\"1842\" data-end=\"1860\" data-col-size=\"sm\">Mechanical Life<\/td>\n<td data-col-size=\"sm\" data-start=\"1860\" data-end=\"1880\">\u22652000 operations<\/td>\n<\/tr>\n<tr data-start=\"1881\" data-end=\"1912\">\n<td data-start=\"1881\" data-end=\"1901\" data-col-size=\"sm\">Installation Type<\/td>\n<td data-start=\"1901\" data-end=\"1912\" data-col-size=\"sm\">Outdoor<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"1914\" data-end=\"1951\">\n<h2 data-section-id=\"7ofzv1\" data-start=\"1953\" data-end=\"1969\">Arti Model<\/h2>\n<p data-start=\"1971\" data-end=\"1994\">Typical model examples:<\/p>\n<ul data-start=\"1995\" data-end=\"2084\">\n<li data-section-id=\"1x649r5\" data-start=\"1995\" data-end=\"2003\">GW4-33<\/li>\n<li data-section-id=\"xbtppa\" data-start=\"2004\" data-end=\"2014\">GW4-40.5<\/li>\n<li data-section-id=\"1lid1ri\" data-start=\"2015\" data-end=\"2050\">GW4-40.5D (with grounding switch)<\/li>\n<li data-section-id=\"3tx8ex\" data-start=\"2051\" data-end=\"2084\">GW4-40.5W (anti-pollution type)<\/li>\n<\/ul>\n<p data-start=\"2086\" data-end=\"2094\">Meaning:<\/p>\n<ul data-start=\"2095\" data-end=\"2308\">\n<li data-section-id=\"sgtjov\" data-start=\"2095\" data-end=\"2133\"><strong data-start=\"2097\" data-end=\"2103\">GW<\/strong> = Outdoor disconnect switch<\/li>\n<li data-section-id=\"lbwjhk\" data-start=\"2134\" data-end=\"2159\"><strong data-start=\"2136\" data-end=\"2141\">4<\/strong> = Design series<\/li>\n<li data-section-id=\"cjajvh\" data-start=\"2160\" data-end=\"2198\"><strong data-start=\"2162\" data-end=\"2175\">33 \/ 40.5<\/strong> = Rated voltage (kV)<\/li>\n<li data-section-id=\"1s2md7v\" data-start=\"2199\" data-end=\"2238\"><strong data-start=\"2201\" data-end=\"2206\">D<\/strong> = With grounding knife switch<\/li>\n<li data-section-id=\"1bqfahd\" data-start=\"2239\" data-end=\"2273\"><strong data-start=\"2241\" data-end=\"2246\">W<\/strong> = Anti-pollution version<\/li>\n<li data-section-id=\"88443q\" data-start=\"2274\" data-end=\"2308\"><strong data-start=\"2276\" data-end=\"2290\">630 \/ 1250<\/strong> = Rated current<\/li>\n<\/ul>\n<h2 data-section-id=\"1cshqw4\" data-start=\"2310\" data-end=\"2331\">Kondisi Kerja<\/h2>\n<ul data-start=\"2333\" data-end=\"2529\">\n<li data-section-id=\"1dt489o\" data-start=\"2333\" data-end=\"2374\">Suhu sekitar: <strong data-start=\"2356\" data-end=\"2374\">-30\u00b0C to +40\u00b0C<\/strong><\/li>\n<li data-section-id=\"142p8ko\" data-start=\"2375\" data-end=\"2393\">Altitude: \u22643000m<\/li>\n<li data-section-id=\"apcpsi\" data-start=\"2394\" data-end=\"2414\">Wind speed: \u226435m\/s<\/li>\n<li data-section-id=\"1fa69w5\" data-start=\"2415\" data-end=\"2443\">Pollution level: Class III<\/li>\n<li data-section-id=\"2ue1sk\" data-start=\"2444\" data-end=\"2477\">Intensitas gempa: \u22648 derajat<\/li>\n<li data-section-id=\"zhoo0d\" data-start=\"2478\" data-end=\"2529\">No flammable, explosive, or corrosive environment<\/li>\n<\/ul>\n<h2 data-section-id=\"mu966k\" data-start=\"2531\" data-end=\"2546\">Aplikasi<\/h2>\n<ul data-start=\"2548\" data-end=\"2774\">\n<li data-section-id=\"1htwoka\" data-start=\"2548\" data-end=\"2593\">Outdoor substations (33kV \/ 40.5kV systems)<\/li>\n<li data-section-id=\"chgp74\" data-start=\"2594\" data-end=\"2638\">Power transmission &amp; distribution networks<\/li>\n<li data-section-id=\"1r3brol\" data-start=\"2639\" data-end=\"2672\">Transformer isolation switching<\/li>\n<li data-section-id=\"84lya2\" data-start=\"2673\" data-end=\"2712\">Circuit breaker maintenance isolation<\/li>\n<li data-section-id=\"1qe9co6\" data-start=\"2713\" data-end=\"2747\">Solar and wind power substations<\/li>\n<li data-section-id=\"ghpwyu\" data-start=\"2748\" data-end=\"2774\">Industrial power systems<\/li>\n<\/ul>\n<h2 data-section-id=\"dysc5y\" data-start=\"2776\" data-end=\"2797\">Product Advantages<\/h2>\n<h3 data-section-id=\"ts1e6o\" data-start=\"2799\" data-end=\"2824\">High Safety Isolation<\/h3>\n<p data-start=\"2825\" data-end=\"2898\">Provides a <strong data-start=\"2836\" data-end=\"2859\">clear visible break<\/strong>, ensuring safe maintenance operations.<\/p>\n<h3 data-section-id=\"6hlgi4\" data-start=\"2900\" data-end=\"2929\">Strong Outdoor Durability<\/h3>\n<p data-start=\"2930\" data-end=\"2995\">Designed for long-term exposure to UV, rain, wind, and pollution.<\/p>\n<h3 data-section-id=\"t88vxf\" data-start=\"2997\" data-end=\"3023\">Flexible Configuration<\/h3>\n<p data-start=\"3024\" data-end=\"3098\">Supports grounding switches, motor operation, and anti-pollution upgrades.<\/p>\n<h3 data-section-id=\"392bfk\" data-start=\"3100\" data-end=\"3133\">Reliable Mechanical Structure<\/h3>\n<p data-start=\"3134\" data-end=\"3208\">Robust linkage ensures synchronized phase operation and long service life.<\/p>\n<h5><\/h5>\n<h2><strong>Gambar Garis Besar<\/strong><\/h2>\n<h4><strong><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone  wp-image-983\" src=\"http:\/\/www.wolunelectric.com\/wp-content\/uploads\/2021\/05\/33kv-outdoor-disconnect-switch-1.jpg\" alt=\"\" width=\"996\" height=\"779\" srcset=\"https:\/\/www.wolunelectric.com\/wp-content\/uploads\/2021\/05\/33kv-outdoor-disconnect-switch-1.jpg 660w, https:\/\/www.wolunelectric.com\/wp-content\/uploads\/2021\/05\/33kv-outdoor-disconnect-switch-1-300x235.jpg 300w, https:\/\/www.wolunelectric.com\/wp-content\/uploads\/2021\/05\/33kv-outdoor-disconnect-switch-1-600x469.jpg 600w\" sizes=\"(max-width: 996px) 100vw, 996px\" \/><\/strong><\/h4>\n<p>&nbsp;<\/p>\n<h5><\/h5>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<div id=\"sun\">\n<h3 class=\"wpb_area_title\"><\/h3>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>GW4 33kV \/ 40.5kV outdoor high voltage disconnect switch is designed for substation and transmission systems.<\/p>\n<p>It provides reliable no-load isolation, visible disconnection, and safe outdoor operation for medium-voltage networks.<\/p>","protected":false},"featured_media":985,"template":"","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"GW4 33kV 40.5kV Outdoor High Voltage Disconnect Switch | Substation Isolator","_seopress_titles_desc":"GW4 outdoor high voltage disconnect switch for 33kV and 40.5kV systems. Reliable outdoor isolator with visible break, grounding option, and substation application.","_seopress_robots_index":""},"product_brand":[],"product_cat":[46],"product_tag":[],"class_list":{"0":"post-981","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-high-voltage-disconnect-switch","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.wolunelectric.com\/id\/wp-json\/wp\/v2\/product\/981","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wolunelectric.com\/id\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.wolunelectric.com\/id\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wolunelectric.com\/id\/wp-json\/wp\/v2\/media\/985"}],"wp:attachment":[{"href":"https:\/\/www.wolunelectric.com\/id\/wp-json\/wp\/v2\/media?parent=981"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.wolunelectric.com\/id\/wp-json\/wp\/v2\/product_brand?post=981"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.wolunelectric.com\/id\/wp-json\/wp\/v2\/product_cat?post=981"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.wolunelectric.com\/id\/wp-json\/wp\/v2\/product_tag?post=981"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}