{"id":3540,"date":"2026-05-20T13:57:23","date_gmt":"2026-05-20T05:57:23","guid":{"rendered":"https:\/\/www.wolunelectric.com\/?post_type=product&#038;p=3540"},"modified":"2026-05-20T13:57:23","modified_gmt":"2026-05-20T05:57:23","slug":"rh-b-11kv-and-33kv-gang-isolator-switch","status":"publish","type":"product","link":"https:\/\/www.wolunelectric.com\/id\/product\/rh-b-11kv-and-33kv-gang-isolator-switch\/","title":{"rendered":"RH-B 11kV and 33kV Gang Isolator Switch"},"content":{"rendered":"<p data-start=\"400\" data-end=\"538\">The RH-B series outdoor gang isolator switch adopts a <strong data-start=\"454\" data-end=\"493\">three-phase gang-operated structure<\/strong> and is suitable for outdoor installation in:<\/p>\n<ul data-start=\"539\" data-end=\"666\">\n<li data-section-id=\"1uygun9\" data-start=\"539\" data-end=\"569\">overhead distribution lines,<\/li>\n<li data-section-id=\"rv0gn2\" data-start=\"570\" data-end=\"597\">pole-mounted substations,<\/li>\n<li data-section-id=\"1cppk4t\" data-start=\"598\" data-end=\"630\">transformer isolation systems,<\/li>\n<li data-section-id=\"1glukae\" data-start=\"631\" data-end=\"666\">industrial distribution networks.<\/li>\n<\/ul>\n<p data-start=\"668\" data-end=\"694\">The switch is designed to:<\/p>\n<ul data-start=\"695\" data-end=\"860\">\n<li data-section-id=\"bjolak\" data-start=\"695\" data-end=\"750\">isolate energized equipment under no-load conditions,<\/li>\n<li data-section-id=\"1p57xb0\" data-start=\"751\" data-end=\"791\">provide a visible disconnection point,<\/li>\n<li data-section-id=\"p916xr\" data-start=\"792\" data-end=\"821\">improve maintenance safety,<\/li>\n<li data-section-id=\"1wgsj46\" data-start=\"822\" data-end=\"860\">support manual operating mechanisms.<\/li>\n<\/ul>\n<p data-start=\"862\" data-end=\"1046\">Unlike circuit breakers or load break switches, the RH-B isolator is mainly intended for isolation purposes rather than interrupting load current.<\/p>\n<h2 data-section-id=\"7jig15\" data-start=\"1048\" data-end=\"1064\">Main Features<\/h2>\n<ul data-start=\"1066\" data-end=\"1347\">\n<li data-section-id=\"v30fec\" data-start=\"1066\" data-end=\"1093\">Outdoor installation type<\/li>\n<li data-section-id=\"177uakh\" data-start=\"1094\" data-end=\"1131\">Gang-operated three-phase mechanism<\/li>\n<li data-section-id=\"8enryx\" data-start=\"1132\" data-end=\"1160\">Rated voltage: 11kV \/ 33kV<\/li>\n<li data-section-id=\"1a2t3yi\" data-start=\"1161\" data-end=\"1190\">Visible air-break isolation<\/li>\n<li data-section-id=\"1pwtisn\" data-start=\"1191\" data-end=\"1209\">Manual operation<\/li>\n<li data-section-id=\"y63xz4\" data-start=\"1210\" data-end=\"1241\">Simple and reliable structure<\/li>\n<li data-section-id=\"4hnrek\" data-start=\"1242\" data-end=\"1283\">Suitable for harsh outdoor environments<\/li>\n<li data-section-id=\"1abt35p\" data-start=\"1284\" data-end=\"1316\">Optional grounding arrangement<\/li>\n<li data-section-id=\"71gwy5\" data-start=\"1317\" data-end=\"1347\">Low maintenance requirements<\/li>\n<\/ul>\n<p data-start=\"1349\" data-end=\"1386\">\n<h2 data-section-id=\"1cgu054\" data-start=\"1388\" data-end=\"1415\">Spesifikasi Teknis<\/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)\" data-start=\"1417\" data-end=\"1814\">\n<thead data-start=\"1417\" data-end=\"1449\">\n<tr data-start=\"1417\" data-end=\"1449\">\n<th class=\"last:pe-10\" data-start=\"1417\" data-end=\"1424\" data-col-size=\"sm\">Item<\/th>\n<th class=\"last:pe-10\" data-start=\"1424\" data-end=\"1436\" data-col-size=\"sm\">RH-B-11kV<\/th>\n<th class=\"last:pe-10\" data-start=\"1436\" data-end=\"1449\" data-col-size=\"sm\">RH-B-33kV<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1464\" data-end=\"1814\">\n<tr data-start=\"1464\" data-end=\"1495\">\n<td data-start=\"1464\" data-end=\"1480\" data-col-size=\"sm\">Tegangan Pengenal<\/td>\n<td data-start=\"1480\" data-end=\"1487\" data-col-size=\"sm\">11kV<\/td>\n<td data-start=\"1487\" data-end=\"1495\" data-col-size=\"sm\">33kV<\/td>\n<\/tr>\n<tr data-start=\"1496\" data-end=\"1527\">\n<td data-start=\"1496\" data-end=\"1512\" data-col-size=\"sm\">Nilai Saat Ini<\/td>\n<td data-col-size=\"sm\" data-start=\"1512\" data-end=\"1519\">400A<\/td>\n<td data-col-size=\"sm\" data-start=\"1519\" data-end=\"1527\">600A<\/td>\n<\/tr>\n<tr data-start=\"1528\" data-end=\"1561\">\n<td data-start=\"1528\" data-end=\"1540\" data-col-size=\"sm\">Frequency<\/td>\n<td data-start=\"1540\" data-end=\"1550\" data-col-size=\"sm\">50\/60Hz<\/td>\n<td data-start=\"1550\" data-end=\"1561\" data-col-size=\"sm\">50\/60Hz<\/td>\n<\/tr>\n<tr data-start=\"1562\" data-end=\"1612\">\n<td data-start=\"1562\" data-end=\"1593\" data-col-size=\"sm\">Short-Time Withstand Current<\/td>\n<td data-col-size=\"sm\" data-start=\"1593\" data-end=\"1602\">12.5kA<\/td>\n<td data-col-size=\"sm\" data-start=\"1602\" data-end=\"1612\">12.5kA<\/td>\n<\/tr>\n<tr data-start=\"1613\" data-end=\"1657\">\n<td data-start=\"1613\" data-end=\"1638\" data-col-size=\"sm\">Peak Withstand Current<\/td>\n<td data-col-size=\"sm\" data-start=\"1638\" data-end=\"1647\">31.5kA<\/td>\n<td data-col-size=\"sm\" data-start=\"1647\" data-end=\"1657\">31.5kA<\/td>\n<\/tr>\n<tr data-start=\"1658\" data-end=\"1719\">\n<td data-start=\"1658\" data-end=\"1696\" data-col-size=\"sm\">Lightning Impulse Withstand Voltage<\/td>\n<td data-start=\"1696\" data-end=\"1706\" data-col-size=\"sm\">75\/95kV<\/td>\n<td data-col-size=\"sm\" data-start=\"1706\" data-end=\"1719\">170\/195kV<\/td>\n<\/tr>\n<tr data-start=\"1720\" data-end=\"1777\">\n<td data-start=\"1720\" data-end=\"1756\" data-col-size=\"sm\">Power Frequency Withstand Voltage<\/td>\n<td data-col-size=\"sm\" data-start=\"1756\" data-end=\"1766\">38\/42kV<\/td>\n<td data-col-size=\"sm\" data-start=\"1766\" data-end=\"1777\">70\/80kV<\/td>\n<\/tr>\n<tr data-start=\"1778\" data-end=\"1814\">\n<td data-start=\"1778\" data-end=\"1793\" data-col-size=\"sm\">Installation<\/td>\n<td data-start=\"1793\" data-end=\"1803\" data-col-size=\"sm\">Outdoor<\/td>\n<td data-start=\"1803\" data-end=\"1814\" data-col-size=\"sm\">Outdoor<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"1816\" data-end=\"1853\">\n<h2 data-section-id=\"1p8ivm\" data-start=\"1855\" data-end=\"1875\">Working Principle<\/h2>\n<p data-start=\"1877\" data-end=\"2141\">The RH-B gang isolator switch mechanically links all three phases together so they operate simultaneously through a common operating handle or linkage mechanism. The switch creates a visible air gap after opening, ensuring safe isolation for maintenance personnel.<\/p>\n<h2 data-section-id=\"mu966k\" data-start=\"2143\" data-end=\"2158\">Aplikasi<\/h2>\n<ul data-start=\"2160\" data-end=\"2339\">\n<li data-section-id=\"1wal50y\" data-start=\"2160\" data-end=\"2186\">Pole-mounted substations<\/li>\n<li data-section-id=\"1g4vnk9\" data-start=\"2187\" data-end=\"2216\">Overhead distribution lines<\/li>\n<li data-section-id=\"1xwmdbu\" data-start=\"2217\" data-end=\"2241\">Utility power networks<\/li>\n<li data-section-id=\"1q5t4zr\" data-start=\"2242\" data-end=\"2274\">Rural electrification projects<\/li>\n<li data-section-id=\"zwftoh\" data-start=\"2275\" data-end=\"2306\">Transformer isolation systems<\/li>\n<li data-section-id=\"1fokh14\" data-start=\"2307\" data-end=\"2339\">Industrial outdoor switchyards<\/li>\n<\/ul>\n<h2 data-section-id=\"dysc5y\" data-start=\"2341\" data-end=\"2362\">Product Advantages<\/h2>\n<h3 data-section-id=\"1v9vp9o\" data-start=\"2364\" data-end=\"2385\">Visible Isolation<\/h3>\n<p data-start=\"2386\" data-end=\"2453\">Provides a clear and reliable visible break for maintenance safety.<\/p>\n<h3 data-section-id=\"zndu85\" data-start=\"2455\" data-end=\"2483\">Simple Outdoor Structure<\/h3>\n<p data-start=\"2484\" data-end=\"2548\">Robust mechanical design suitable for long-term outdoor service.<\/p>\n<h3 data-section-id=\"9xkg1i\" data-start=\"2550\" data-end=\"2581\">Reliable Mechanical Linkage<\/h3>\n<p data-start=\"2582\" data-end=\"2650\">Three-phase gang operation ensures synchronized opening and closing.<\/p>\n<h3 data-section-id=\"1juax8v\" data-start=\"2652\" data-end=\"2671\">Low Maintenance<\/h3>\n<p data-start=\"2672\" data-end=\"2743\">Simple construction reduces servicing requirements and operating costs.<\/p>\n<h2 data-section-id=\"p70hv1\" data-start=\"2745\" data-end=\"2757\">Standar<\/h2>\n<p data-start=\"2759\" data-end=\"2828\">The RH-B gang isolator switch is generally manufactured according to:<\/p>\n<ul data-start=\"2829\" data-end=\"2856\">\n<li data-section-id=\"wd26dl\" data-start=\"2829\" data-end=\"2844\">IEC 62271-102<\/li>\n<li data-section-id=\"vp3lju\" data-start=\"2845\" data-end=\"2856\">IEC 60964<\/li>\n<\/ul>\n<p data-start=\"2858\" data-end=\"2895\">\n<h2 data-section-id=\"2kgg58\" data-start=\"2897\" data-end=\"2909\">Dimensi Garis Besar<\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-3543\" src=\"https:\/\/www.wolunelectric.com\/wp-content\/uploads\/2026\/05\/RH-B-11kV-and-33kV-Gang-Isolator-Switch-2.webp\" alt=\"rh b 11kv and 33kv gang isolator switch\" width=\"711\" height=\"638\" srcset=\"https:\/\/www.wolunelectric.com\/wp-content\/uploads\/2026\/05\/RH-B-11kV-and-33kV-Gang-Isolator-Switch-2.webp 711w, https:\/\/www.wolunelectric.com\/wp-content\/uploads\/2026\/05\/RH-B-11kV-and-33kV-Gang-Isolator-Switch-2-13x12.webp 13w, https:\/\/www.wolunelectric.com\/wp-content\/uploads\/2026\/05\/RH-B-11kV-and-33kV-Gang-Isolator-Switch-2-600x538.jpg 600w\" sizes=\"(max-width: 711px) 100vw, 711px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>RH-B gang isolator switch is an outdoor high-voltage disconnect switch designed for 11kV and 33kV AC distribution systems.<\/p>\n<p>It provides reliable visible isolation and safe no-load switching for substations and overhead power networks.<\/p>","protected":false},"featured_media":3544,"template":"","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"RH-B Gang Isolator Switch | 11kV 33kV Outdoor Disconnect Switch","_seopress_titles_desc":"RH-B outdoor gang isolator switch for 11kV and 33kV power distribution systems. Reliable gang-operated disconnect switch for substations and overhead lines.","_seopress_robots_index":""},"product_brand":[],"product_cat":[46],"product_tag":[],"class_list":{"0":"post-3540","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\/3540","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\/3544"}],"wp:attachment":[{"href":"https:\/\/www.wolunelectric.com\/id\/wp-json\/wp\/v2\/media?parent=3540"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.wolunelectric.com\/id\/wp-json\/wp\/v2\/product_brand?post=3540"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.wolunelectric.com\/id\/wp-json\/wp\/v2\/product_cat?post=3540"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.wolunelectric.com\/id\/wp-json\/wp\/v2\/product_tag?post=3540"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}