{"id":1194,"date":"2025-09-07T08:24:35","date_gmt":"2025-09-07T08:24:35","guid":{"rendered":"https:\/\/cnkuangya.com\/?post_type=product&#038;p=1194"},"modified":"2025-09-07T08:24:35","modified_gmt":"2025-09-07T08:24:35","slug":"manual-transfer-switches-125a-4p","status":"publish","type":"product","link":"https:\/\/cnkuangya.com\/ar\/product\/manual-transfer-switches-125a-4p\/","title":{"rendered":"KYMTS-125A 4P Manual Transfer Switch"},"content":{"rendered":"<section id=\"overview-125a-4p\">\n<h2>\u0644\u0645\u062d\u0629 \u0639\u0627\u0645\u0629<\/h2>\n<p>\u0625\u0646 <strong>manual transfer switches<\/strong> (KYMTS-125A 4P) are designed for three-phase + neutral AC systems that require reliable source changeover. The 4-pole configuration provides full isolation of L1\/L2\/L3\/N during I\u20130\u2013II switching between utility, generator, or PV inverter, ensuring maximum safety and compliance.<\/p>\n<p>To compare full KYMTS series, see the <a href=\"\/ar\/manual-transfer-switch\/\">\u0645\u0641\u062a\u0627\u062d \u0627\u0644\u062a\u062d\u0648\u064a\u0644 \u0627\u0644\u064a\u062f\u0648\u064a<\/a> landing page. In PV and ESS setups, the 4P unit integrates with <a href=\"\/ar\/pv-combiner-box\/\">\u0635\u0646\u0627\u062f\u064a\u0642 \u0627\u0644\u062a\u062c\u0645\u064a\u0639 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a\u0629<\/a>, upstream <a href=\"\/ar\/dc-breaker\/\">circuit breakers<\/a>, \u0648 <a href=\"\/ar\/dc-fuse\/\">\u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631<\/a>. Refer to <a href=\"https:\/\/www.iec.ch\/\" target=\"_blank\" rel=\"noopener\">IEC<\/a> \u0648 <a href=\"https:\/\/ec.europa.eu\/growth\/single-market\/ce-marking\/\" target=\"_blank\" rel=\"noopener\">CE certification<\/a> for standards compliance.<\/p>\n<\/section>\n<section id=\"features-125a-4p\">\n<h2>\u0627\u0644\u0645\u064a\u0632\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n<ul>\n<li><strong>125A, 4P<\/strong> manual changeover with L1\/L2\/L3\/N isolation.<\/li>\n<li>Manual handle with <strong>I \/ 0 \/ II<\/strong> positions for safe operation.<\/li>\n<li>High-conductivity <strong>copper contacts<\/strong> with low temperature rise.<\/li>\n<li>Compact body suitable for <strong>DIN-rail \/ panel<\/strong> installation.<\/li>\n<li>\u0645\u062b\u0627\u0644\u064a\u0629 \u0644\u0640 <strong>generator transfer<\/strong>, inverter bypass, and commercial distribution boards.<\/li>\n<li>Meets <strong>IEC 60947-3<\/strong> switch-disconnector standards.<\/li>\n<\/ul>\n<\/section>\n<section id=\"specs-125a-4p\">\n<h2>\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\u0627\u0644\u0637\u0631\u0627\u0632<\/th>\n<td>KYMTS-125A 4P<\/td>\n<\/tr>\n<tr>\n<th>\u0627\u0644\u0623\u0639\u0645\u062f\u0629<\/th>\n<td>4P (L1\/L2\/L3\/N)<\/td>\n<\/tr>\n<tr>\n<th>\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0642\u062f\u0631 (\u0641\u064a)<\/th>\n<td>125A<\/td>\n<\/tr>\n<tr>\n<th>Rated Operational Voltage (Ue)<\/th>\n<td>400V AC<\/td>\n<\/tr>\n<tr>\n<th>\u0627\u0644\u062a\u0631\u062f\u062f<\/th>\n<td>50\/60Hz<\/td>\n<\/tr>\n<tr>\n<th>\u062c\u0647\u062f \u0627\u0644\u0639\u0632\u0644 (Ui)<\/th>\n<td>690V<\/td>\n<\/tr>\n<tr>\n<th>\u0627\u0644\u062a\u0631\u0643\u064a\u0628<\/th>\n<td>DIN-rail \/ Panel<\/td>\n<\/tr>\n<tr>\n<th>Reference Standard<\/th>\n<td>IEC 60947-3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n<section id=\"wiring-125a-4p\">\n<h2>\u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0648\u0627\u0644\u0623\u0628\u0639\u0627\u062f<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-1174\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/kumts-125-diagram-300x197.png\" alt=\"kumts-125-diagram\" width=\"522\" height=\"343\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/kumts-125-diagram-300x197.png 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/kumts-125-diagram-600x394.png 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/kumts-125-diagram.png 632w\" sizes=\"auto, (max-width: 522px) 100vw, 522px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-1175\" src=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/kumts-125-dimension-300x183.png\" alt=\"kumts-125-dimension\" width=\"515\" height=\"314\" srcset=\"https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/kumts-125-dimension-300x183.png 300w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/kumts-125-dimension-768x468.png 768w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/kumts-125-dimension-600x366.png 600w, https:\/\/cnkuangya.com\/wp-content\/uploads\/2025\/09\/kumts-125-dimension.png 919w\" sizes=\"auto, (max-width: 515px) 100vw, 515px\" \/><\/p>\n<\/section>\n<section id=\"applications-125a-4p\">\n<h2>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n<ul>\n<li>Commercial generator changeover with neutral isolation<\/li>\n<li>Industrial feeders and MCC boards<\/li>\n<li>PV\/ESS inverter bypass with full pole switching<\/li>\n<li>Microgrid and backup power systems<\/li>\n<\/ul>\n<\/section>\n<section id=\"faq-125a-4p\">\n<h2>\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\n<details>\n<summary>What are manual transfer switches used for?<\/summary>\n<p>Manual transfer switches safely changeover loads between two power sources such as utility and generator or inverter, with full L1\/L2\/L3\/N isolation.<\/p>\n<\/details>\n<details>\n<summary>When should I choose a 4P instead of 3P?<\/summary>\n<p>A 4P unit is required when neutral switching is needed, ensuring compliance with codes and safe system operation.<\/p>\n<\/details>\n<details>\n<summary>Where can I compare KYMTS models?<\/summary>\n<p>Visit the <a href=\"\/ar\/manual-transfer-switch\/\">\u0645\u0641\u062a\u0627\u062d \u0627\u0644\u062a\u062d\u0648\u064a\u0644 \u0627\u0644\u064a\u062f\u0648\u064a<\/a> landing page for all 1P\/2P\/3P\/4P options.<\/p>\n<\/details>\n<\/section>\n<section id=\"cta-125a-4p\">\n<h2>Need a Quote?<\/h2>\n<p>Looking for durable <strong>manual transfer switches<\/strong>? <a href=\"\/ar\/contact-us\/\">\u0627\u062a\u0635\u0644 \u0628\u0646\u0627<\/a> today for datasheets, pricing, and support.<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"<ul>\n<li data-start=\"187\" data-end=\"287\">\n<p data-start=\"189\" data-end=\"287\">\u0625\u0646 <strong data-start=\"193\" data-end=\"221\">manual transfer switches<\/strong> 125A 4P provide full isolation of L1\/L2\/L3\/N during changeover.<\/p>\n<\/li>\n<li data-start=\"288\" data-end=\"361\">\n<p data-start=\"290\" data-end=\"361\">Ergonomic I\u20130\u2013II handle, copper contacts, DIN-rail or panel mounting.<\/p>\n<\/li>\n<li data-start=\"362\" data-end=\"442\">\n<p data-start=\"364\" data-end=\"442\">IEC 60947-3 compliant; ideal for commercial, industrial, and PV\/ESS systems.<\/p>\n<\/li>\n<\/ul>","protected":false},"featured_media":1183,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[29],"product_tag":[],"class_list":{"0":"post-1194","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-manual-transfer-switch","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product\/1194","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/comments?post=1194"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/media\/1183"}],"wp:attachment":[{"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/media?parent=1194"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_brand?post=1194"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_cat?post=1194"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cnkuangya.com\/ar\/wp-json\/wp\/v2\/product_tag?post=1194"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}