{"id":21855,"date":"2025-06-22T11:59:59","date_gmt":"2025-06-22T11:59:59","guid":{"rendered":"https:\/\/www.tronkiele.com\/?p=21855"},"modified":"2025-10-17T05:07:24","modified_gmt":"2025-10-17T05:07:24","slug":"3-phase-auto-transformer","status":"publish","type":"post","link":"https:\/\/www.tronkiele.com\/pt\/3-phase-auto-transformer\/","title":{"rendered":"O que \u00e9 um autotransformador trif\u00e1sico? Compreender a sua import\u00e2ncia e aplica\u00e7\u00f5es"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"21855\" class=\"elementor elementor-21855\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"wd-negative-gap elementor-element elementor-element-45faa07f e-flex e-con-boxed e-con e-parent\" data-id=\"45faa07f\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-48ad6754 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"48ad6754\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\"><p>A <strong>3-phase auto transformer<\/strong> is an electrical device commonly used in a variety of industrial, commercial, and residential applications. It operates by sharing a common winding between the primary and secondary circuits, which differentiates it from standard transformers. This design allows it to reduce material usage, improve efficiency, and offer cost savings, making it a crucial component in many electrical systems.<\/p><h2 class=\"wp-block-heading\">Core Concept: How Does a 3-Phase Auto Transformer Work?<\/h2><p>The working principle of a <strong>3-phase auto transformer<\/strong> is rooted in the fact that it uses a single winding for both the primary and secondary circuits. In a typical <strong>transformer<\/strong>, the primary and secondary windings are physically separated, but in an auto transformer, the secondary is just a portion of the primary winding.<\/p><p>In a <strong>3-phase system<\/strong>, where three alternating currents (AC) are 120 degrees apart, the auto transformer taps into these phases and adjusts the voltage to higher or lower levels as needed. This shared winding reduces the total amount of wire needed, making the device more compact and cost-effective.<\/p><p>The primary advantage of a 3-phase auto transformer is its ability to offer efficient power conversion with reduced losses. By utilizing fewer materials, the auto transformer can achieve a higher power transfer efficiency compared to traditional transformers.<\/p><h2 class=\"wp-block-heading\">Key Applications of 3-Phase Auto Transformers<\/h2><p>3-phase auto transformers are used in a variety of applications across different industries. Here are some key areas where they are indispensable:<\/p><ul class=\"wp-block-list\"><li><strong>Motor Starting<\/strong>: Auto transformers are commonly used in starting large electric motors, especially when high inrush current must be controlled. By reducing the voltage at startup, they prevent motor damage and reduce power demand.<\/li>\n\n<li><strong>Voltage Regulation<\/strong>: They are used to regulate voltage in power systems, especially in settings where power fluctuations are common.<\/li>\n\n<li><strong>Energy Conservation<\/strong>: In industries where consistent voltage is needed for machinery, 3-phase auto transformers are employed to ensure energy-efficient performance.<\/li>\n\n<li><strong>Elevators and Lifts<\/strong>: Ensuring smooth, controlled voltage for lifts and elevators, which are often sensitive to power surges, is another important application.<\/li><\/ul><h2 class=\"wp-block-heading\">Market Trends and Development Background<\/h2><p>The global market for transformers, including 3-phase auto transformers, is expanding. According to the <strong>International Energy Agency (IEA)<\/strong>, the increasing demand for industrial automation and energy-efficient solutions has driven the need for more reliable power distribution systems. The adoption of <strong>renewable energy sources<\/strong> has also led to greater reliance on power transformers to manage the fluctuating supply and demand of electrical grids.<\/p><p>With the global push toward <strong>smart grids<\/strong> and efficient industrial systems, the demand for high-performance 3-phase transformers, including auto transformers, is projected to rise significantly. The benefits of reduced energy loss and higher cost-effectiveness align perfectly with modern demands for sustainability and efficiency.<\/p><h2 class=\"wp-block-heading\">Technical Specifications and Comparison<\/h2><p>While 3-phase auto transformers offer many advantages, it\u2019s important to understand how they compare with traditional transformers:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Feature<\/strong><\/th><th><strong>3-Phase Auto Transformer<\/strong><\/th><th><strong>Standard Transformer<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Winding Configuration<\/strong><\/td><td>Shared primary and secondary winding<\/td><td>Separate primary and secondary windings<\/td><\/tr><tr><td><strong>Size &amp; Weight<\/strong><\/td><td>More compact and lighter<\/td><td>Larger and bulkier<\/td><\/tr><tr><td><strong>Efficiency<\/strong><\/td><td>Higher efficiency due to reduced winding material<\/td><td>Less efficient with more material usage<\/td><\/tr><tr><td><strong>Cost<\/strong><\/td><td>More cost-effective<\/td><td>More expensive<\/td><\/tr><tr><td><strong>Power Handling<\/strong><\/td><td>Lower power handling capacity for the same size<\/td><td>Can handle more power but is bulkier<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\">Choosing the Right 3-Phase Auto Transformer: Buying Tips<\/h2><p>When selecting a <strong><a href=\"\/do-3-phase-auto-transformers-use-a-lot-of-electricity\/\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0802ff\" class=\"has-inline-color\">3-phase auto transformer<\/mark><\/a><\/strong>, it&#8217;s essential to consider the following factors:<\/p><ul class=\"wp-block-list\"><li><strong>Voltage Requirements<\/strong>: Ensure the transformer is rated for the voltage levels needed for your application.<\/li>\n\n<li><strong>Current Rating<\/strong>: Make sure the transformer can handle the current your equipment demands.<\/li>\n\n<li><strong>Size and Space<\/strong>: If space is limited, opt for a more compact design, which is one of the main benefits of an auto transformer.<\/li>\n\n<li><strong>Efficiency<\/strong>: Look for models that are known for energy efficiency to ensure long-term savings.<\/li>\n\n<li><strong>Safety Features<\/strong>: Check for overload protection and other safety mechanisms to protect sensitive equipment.<\/li><\/ul><h2 class=\"wp-block-heading\">FAQ<\/h2><h4 class=\"wp-block-heading\">1. <strong>What is the main advantage of using a 3-phase auto transformer over a standard transformer?<\/strong><\/h4><p>The primary advantage of a 3-phase auto transformer is its compact design and efficiency. By sharing a common winding for both primary and secondary circuits, it requires less material, making it more cost-effective and efficient for applications like motor starting and voltage regulation.<\/p><h4 class=\"wp-block-heading\">2. <strong>Can a 3-phase auto transformer handle high power applications?<\/strong><\/h4><p>While 3-phase auto transformers are efficient for smaller to medium power applications, they are not typically suited for very high-power uses due to the limitations of shared windings. For high-power applications, standard transformers or larger auto transformers may be necessary.<\/p><h4 class=\"wp-block-heading\">3. <strong>Are 3-phase auto transformers safe to use in industrial applications?<\/strong><\/h4><p>Yes, 3-phase auto transformers are safe for use in industrial applications, but it&#8217;s essential to select the correct size and rating. They should also be used with appropriate protection devices to prevent overloads and ensure long-term reliability.<\/p><h2 class=\"wp-block-heading\">Conclusion<\/h2><p>A <strong>3-phase auto transformer<\/strong> is an essential component in various electrical systems, offering both <strong>cost-efficiency<\/strong> and <strong>energy savings<\/strong>. By understanding its working principle, applications, and market trends, users can make informed decisions when choosing the right transformer for their needs. As industries continue to evolve towards <strong>energy-efficient systems<\/strong>, the importance of 3-phase auto transformers is only expected to grow.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-369579a elementor-widget elementor-widget-wd_text_block\" data-id=\"369579a\" data-element_type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<h2>Related Blogs<\/h2>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a1bb2c9 wd-width-100 elementor-widget elementor-widget-wd_blog\" data-id=\"a1bb2c9\" data-element_type=\"widget\" data-widget_type=\"wd_blog.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"wd-blog-element\">\n\t\t\t\t\t<div class=\"wd-posts wd-blog-holder wd-grid-g\" 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data-source=\"shortcode\">\n\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n<article id=\"post-21955\" class=\"wd-post blog-design-list blog-post-loop blog-style-bg wd-add-shadow post-21955 post type-post status-publish format-standard hentry category-transformer\">\n\t<div class=\"wd-post-inner\">\n\t\t<div class=\"wd-post-thumb\">\n\t\t\t\t\t\t\t<div class=\"wd-post-img\">\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"post-date wd-post-date wd-style-with-bg\">\n\t\t\t\t<span class=\"post-date-day\">\n\t\t\t\t\t24\t\t\t\t<\/span>\n\t\t\t\t<span class=\"post-date-month\">\n\t\t\t\t\tSet\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<a class=\"wd-post-link wd-fill\" href=\"https:\/\/www.tronkiele.com\/pt\/autotransformer-vs-isolation-transformer\/\" rel=\"bookmark\" aria-label=\"Link on post What\u2019s the difference between an autotransformer and an isolation transformer?\"><\/a>\n\t\t\t\t\t<\/div>\n\n\t\t<div class=\"wd-post-content\">\n\t\t\t<div class=\"wd-post-content-inner wd-scroll\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<h3 class=\"wd-entities-title title post-title\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.tronkiele.com\/pt\/autotransformer-vs-isolation-transformer\/\" rel=\"bookmark\">\n\t\t\t\t\t\t\tWhat\u2019s the difference between an autotransformer and an isolation transformer?\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"wd-entry-content wd-scroll-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\nAn autotransformer changes voltage using a single tapped winding \u2014 it\u2019s compact, efficient and cost-effective whe...\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"wd-read-more\">\n\t\t\t\t\t\t<a class=\"btn-read-more more-link\" href=\"https:\/\/www.tronkiele.com\/pt\/autotransformer-vs-isolation-transformer\/\">Continue reading<\/a>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t<\/div>\n<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n<article id=\"post-21920\" class=\"wd-post blog-design-list blog-post-loop blog-style-bg wd-add-shadow post-21920 post type-post status-publish format-standard hentry category-transformer\">\n\t<div class=\"wd-post-inner\">\n\t\t<div class=\"wd-post-thumb\">\n\t\t\t\t\t\t\t<div class=\"wd-post-img\">\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"post-date wd-post-date wd-style-with-bg\">\n\t\t\t\t<span class=\"post-date-day\">\n\t\t\t\t\t19\t\t\t\t<\/span>\n\t\t\t\t<span class=\"post-date-month\">\n\t\t\t\t\tSet\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<a class=\"wd-post-link wd-fill\" href=\"https:\/\/www.tronkiele.com\/pt\/isolation-transformer-price-and-purchasing\/\" rel=\"bookmark\" aria-label=\"Link on post Isolation Transformer Price and Purchasing Guide\"><\/a>\n\t\t\t\t\t<\/div>\n\n\t\t<div class=\"wd-post-content\">\n\t\t\t<div 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elementor-widget elementor-widget-wd_text_block\" data-id=\"0995f82\" data-element_type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<h2>Related Products<\/h2>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-30160f4 wd-width-100 elementor-widget elementor-widget-wd_products\" data-id=\"30160f4\" data-element_type=\"widget\" data-widget_type=\"wd_products.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"wd-products-element\">\n\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t\t<div class=\"products wd-products grid-columns-4 elements-grid wd-grid-g\" data-paged=\"1\" data-atts=\"{&quot;carousel_id&quot;:&quot;5000&quot;,&quot;speed&quot;:null,&quot;slides_per_view&quot;:null,&quot;slides_per_view_tablet&quot;:{&quot;size&quot;:&quot;&quot;},&quot;slides_per_view_mobile&quot;:{&quot;size&quot;:&quot;&quot;},&quot;wrap&quot;:null,&quot;loop&quot;:false,&quot;autoplay&quot;:null,&quot;autoheight&quot;:null,&quot;hide_pagination_control&quot;:null,&quot;hide_pagination_control_tablet&quot;:&quot;yes&quot;,&quot;hide_pagination_control_mobile&quot;:&quot;yes&quot;,&quot;dynamic_pagination_control&quot;:null,&quot;hide_prev_next_buttons&quot;:null,&quot;carousel_arrows_position&quot;:null,&quot;hide_scrollbar&quot;:null,&quot;hide_scrollbar_tablet&quot;:&quot;yes&quot;,&quot;hide_scrollbar_mobile&quot;:&quot;yes&quot;,&quot;scroll_per_page&quot;:null,&quot;dragEndSpeed&quot;:200,&quot;center_mode&quot;:null,&quot;custom_sizes&quot;:false,&quot;sliding_speed&quot;:false,&quot;animation&quot;:false,&quot;content_animation&quot;:false,&quot;post_type&quot;:&quot;product&quot;,&quot;slider&quot;:&quot;&quot;,&quot;library&quot;:&quot;&quot;,&quot;css&quot;:&quot;&quot;,&quot;effect&quot;:&quot;&quot;,&quot;spacing&quot;:&quot;&quot;,&quot;spacing_tablet&quot;:&quot;&quot;,&quot;spacing_mobile&quot;:&quot;&quot;,&quot;carousel_sync&quot;:null,&quot;sync_parent_id&quot;:null,&quot;sync_child_id&quot;:null,&quot;scroll_carousel_init&quot;:null,&quot;disable_overflow_carousel&quot;:null,&quot;element_title&quot;:&quot;&quot;,&quot;element_title_tag&quot;:&quot;h4&quot;,&quot;query_post_type&quot;:&quot;product&quot;,&quot;include&quot;:null,&quot;taxonomies&quot;:[&quot;98&quot;],&quot;offset&quot;:&quot;&quot;,&quot;orderby&quot;:&quot;&quot;,&quot;query_type&quot;:&quot;OR&quot;,&quot;order&quot;:null,&quot;meta_key&quot;:null,&quot;exclude&quot;:&quot;&quot;,&quot;shop_tools&quot;:null,&quot;hide_out_of_stock&quot;:&quot;no&quot;,&quot;ajax_recently_viewed&quot;:null,&quot;layout&quot;:&quot;grid&quot;,&quot;pagination&quot;:&quot;&quot;,&quot;pagination_arrows_position&quot;:null,&quot;items_per_page&quot;:4,&quot;columns&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:4,&quot;sizes&quot;:[]},&quot;columns_tablet&quot;:{&quot;size&quot;:&quot;&quot;},&quot;columns_mobile&quot;:{&quot;size&quot;:&quot;&quot;},&quot;products_masonry&quot;:&quot;&quot;,&quot;products_different_sizes&quot;:&quot;&quot;,&quot;product_quantity&quot;:&quot;&quot;,&quot;product_hover&quot;:&quot;inherit&quot;,&quot;sale_countdown&quot;:&quot;0&quot;,&quot;stretch_product&quot;:null,&quot;stretch_product_tablet&quot;:0,&quot;stretch_product_mobile&quot;:0,&quot;stock_progress_bar&quot;:&quot;0&quot;,&quot;highlighted_products&quot;:&quot;0&quot;,&quot;products_bordered_grid&quot;:&quot;0&quot;,&quot;products_bordered_grid_style&quot;:null,&quot;products_with_background&quot;:&quot;0&quot;,&quot;products_shadow&quot;:&quot;0&quot;,&quot;products_color_scheme&quot;:&quot;default&quot;,&quot;img_size&quot;:&quot;large&quot;,&quot;img_size_custom&quot;:null,&quot;grid_gallery&quot;:&quot;&quot;,&quot;grid_gallery_control&quot;:null,&quot;grid_gallery_enable_arrows&quot;:null,&quot;ajax_page&quot;:&quot;&quot;,&quot;force_not_ajax&quot;:&quot;no&quot;,&quot;lazy_loading&quot;:&quot;no&quot;,&quot;elementor&quot;:true,&quot;wrapper_classes&quot;:&quot;&quot;}\" data-source=\"shortcode\" data-columns=\"4\" data-grid-gallery=\"\" style=\"--wd-col-lg:4;--wd-col-md:4;--wd-col-sm:2;--wd-gap-lg:20px;--wd-gap-sm:10px;\">\n\t\t\n\t\t\t\t\t\t\t\t<div class=\"wd-product wd-hover-base wd-hover-with-fade wd-col product-grid-item product product-no-swatches type-product post-22200 status-publish instock product_cat-isolation-transformer product_cat-low-voltage-transformer product_cat-single-phase-transformers has-post-thumbnail taxable shipping-taxable product-type-simple\" data-loop=\"1\" data-id=\"22200\">\n\t\n\t\n<div class=\"product-wrapper\">\n\t<div class=\"content-product-imagin\"><\/div>\n\t<div class=\"product-element-top wd-quick-shop\">\n\t\t<a href=\"https:\/\/www.tronkiele.com\/pt\/product\/single-phase-toroidal-isolation-transformer\/\" class=\"product-image-link\">\n\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/10\/Single-Phase-Toroidal-Isolation-Transformer-220v-To-220v-With-2-Output-Sockets.webp\" class=\"attachment-large size-large\" alt=\"Single Phase Toroidal Isolation Transformer 220v To 220v With 2 Output Sockets\" srcset=\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/10\/Single-Phase-Toroidal-Isolation-Transformer-220v-To-220v-With-2-Output-Sockets.webp 600w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/10\/Single-Phase-Toroidal-Isolation-Transformer-220v-To-220v-With-2-Output-Sockets-300x300.webp 300w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/10\/Single-Phase-Toroidal-Isolation-Transformer-220v-To-220v-With-2-Output-Sockets-150x150.webp 150w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/10\/Single-Phase-Toroidal-Isolation-Transformer-220v-To-220v-With-2-Output-Sockets-12x12.webp 12w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/10\/Single-Phase-Toroidal-Isolation-Transformer-220v-To-220v-With-2-Output-Sockets-430x430.webp 430w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t<\/a>\n\n\t\t\n\t\t<div class=\"wrapp-swatches\"><\/div>\n\n\t<\/div>\n\n\t<div class=\"product-element-bottom product-information\">\n\t\t<h3 class=\"wd-entities-title\"><a href=\"https:\/\/www.tronkiele.com\/pt\/product\/single-phase-toroidal-isolation-transformer\/\">Single Phase Toroidal Isolation Transformer 220v To 220v With 2 Output Sockets<\/a><\/h3>\t\t\t\t<div class=\"wd-product-cats\">\n\t\t\t<a href=\"https:\/\/www.tronkiele.com\/pt\/product-category\/low-voltage-transformer\/\" rel=\"tag\">Low Voltage Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/pt\/product-category\/low-voltage-transformer\/isolation-transformer\/\" rel=\"tag\">Isolation Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/pt\/product-category\/low-voltage-transformer\/single-phase-transformers\/\" rel=\"tag\">Single Phase Transformers<\/a>\t\t<\/div>\n\t\t\t\t<div class=\"product-rating-price\">\n\t\t\t<div class=\"wrapp-product-price\">\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t<div class=\"fade-in-block wd-scroll\">\n\t\t\t<div class=\"hover-content wd-more-desc\">\n\t\t\t\t<div class=\"hover-content-inner wd-more-desc-inner\">\n\t\t\t\t\tThis 220V to 220V single-phase toroidal isolation transformer is made to supply delicate electronic and audio devices with clean, steady, and noiseless power. It efficiently isolates electrical noise and interference using high-efficiency toroidal core technology, guaranteeing connected devices operate at their best and are safe.\r\n\r\nWith two outputs and a smart HD LCD display, users can effortlessly keep an eye on operating condition, load, and voltage in real time. This isolation transformer provides clean power, low electromagnetic interference, and long-term reliability whether it is utilized in industrial control systems, medical equipment, audio systems, or labs.\t\t\t\t<\/div>\n\t\t\t\t<a href=\"#\" rel=\"nofollow\" class=\"wd-more-desc-btn\" aria-label=\"Read more description\"><span><\/span><\/a>\n\t\t\t<\/div>\n\t\t\t<div class=\" wd-bottom-actions\">\n\t\t\t\t<div class=\"wrap-wishlist-button\"><\/div>\n\t\t\t\t<div class=\"wd-add-btn wd-add-btn-replace\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"wrap-quickview-button\">\t\t<div class=\"quick-view wd-action-btn wd-style-icon wd-quick-view-icon\">\n\t\t\t<a\n\t\t\t\thref=\"https:\/\/www.tronkiele.com\/pt\/product\/single-phase-toroidal-isolation-transformer\/\"\n\t\t\t\tclass=\"open-quick-view quick-view-button\"\n\t\t\t\trel=\"nofollow\"\n\t\t\t\tdata-id=\"22200\"\n\t\t\t\t>Quick view<\/a>\n\t\t<\/div>\n\t\t<\/div>\n\t\t\t<\/div>\n\n\n\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t<\/div>\n<\/div>\n<\/div>\n\t\t\t\t\t\t\t\t<div class=\"wd-product wd-hover-base wd-hover-with-fade wd-col product-grid-item product product-no-swatches type-product post-22039 status-publish last instock product_cat-control-transformers product_cat-isolation-transformer product_cat-low-voltage-transformer product_cat-single-phase-transformers has-post-thumbnail taxable shipping-taxable product-type-simple\" data-loop=\"2\" data-id=\"22039\">\n\t\n\t\n<div class=\"product-wrapper\">\n\t<div class=\"content-product-imagin\"><\/div>\n\t<div class=\"product-element-top wd-quick-shop\">\n\t\t<a href=\"https:\/\/www.tronkiele.com\/pt\/product\/single-phase-lighting-step-down-control-transformer\/\" class=\"product-image-link\">\n\t\t\t<img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/JMB-Portable-Lighting-Step-Down-Control-Transformer-25Va50Kva.webp\" class=\"attachment-large size-large\" alt=\"JMB Portable Lighting Step Down Control Transformer 25Va~50Kva\" srcset=\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/JMB-Portable-Lighting-Step-Down-Control-Transformer-25Va50Kva.webp 800w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/JMB-Portable-Lighting-Step-Down-Control-Transformer-25Va50Kva-300x300.webp 300w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/JMB-Portable-Lighting-Step-Down-Control-Transformer-25Va50Kva-150x150.webp 150w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/JMB-Portable-Lighting-Step-Down-Control-Transformer-25Va50Kva-768x768.webp 768w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/JMB-Portable-Lighting-Step-Down-Control-Transformer-25Va50Kva-12x12.webp 12w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/JMB-Portable-Lighting-Step-Down-Control-Transformer-25Va50Kva-430x430.webp 430w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/JMB-Portable-Lighting-Step-Down-Control-Transformer-25Va50Kva-700x700.webp 700w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t<\/a>\n\n\t\t\t\t\t<div class=\"hover-img\">\n\t\t\t\t<a href=\"https:\/\/www.tronkiele.com\/pt\/product\/single-phase-lighting-step-down-control-transformer\/\" aria-label=\"Product image\">\n\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Single-Phase-Construction-Site-Low-Voltage-220V-to-6V.webp\" class=\"attachment-large size-large\" alt=\"Single Phase Construction Site Low Voltage 220V to 6V\" srcset=\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Single-Phase-Construction-Site-Low-Voltage-220V-to-6V.webp 800w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Single-Phase-Construction-Site-Low-Voltage-220V-to-6V-300x300.webp 300w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Single-Phase-Construction-Site-Low-Voltage-220V-to-6V-150x150.webp 150w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Single-Phase-Construction-Site-Low-Voltage-220V-to-6V-768x768.webp 768w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Single-Phase-Construction-Site-Low-Voltage-220V-to-6V-12x12.webp 12w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Single-Phase-Construction-Site-Low-Voltage-220V-to-6V-430x430.webp 430w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Single-Phase-Construction-Site-Low-Voltage-220V-to-6V-700x700.webp 700w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t<div class=\"wrapp-swatches\"><\/div>\n\n\t<\/div>\n\n\t<div class=\"product-element-bottom product-information\">\n\t\t<h3 class=\"wd-entities-title\"><a href=\"https:\/\/www.tronkiele.com\/pt\/product\/single-phase-lighting-step-down-control-transformer\/\">JMB Single-Phase Portable Lighting Step Down Control Transformer 25Va~50Kva<\/a><\/h3>\t\t\t\t<div class=\"wd-product-cats\">\n\t\t\t<a href=\"https:\/\/www.tronkiele.com\/pt\/product-category\/low-voltage-transformer\/\" rel=\"tag\">Low Voltage Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/pt\/product-category\/low-voltage-transformer\/control-transformers\/\" rel=\"tag\">Control Transformers<\/a>, <a href=\"https:\/\/www.tronkiele.com\/pt\/product-category\/low-voltage-transformer\/isolation-transformer\/\" rel=\"tag\">Isolation Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/pt\/product-category\/low-voltage-transformer\/single-phase-transformers\/\" rel=\"tag\">Single Phase Transformers<\/a>\t\t<\/div>\n\t\t\t\t<div class=\"product-rating-price\">\n\t\t\t<div class=\"wrapp-product-price\">\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t<div class=\"fade-in-block wd-scroll\">\n\t\t\t<div class=\"hover-content wd-more-desc\">\n\t\t\t\t<div class=\"hover-content-inner wd-more-desc-inner\">\n\t\t\t\t\tThe JMB series is our rugged, portable single-phase control transformer built for lighting and small industrial equipment. It steps down common mains voltages to isolated, Safety Extra-Low Voltage (SELV) outputs \u2014 ideal for damp job sites, confined spaces and metal enclosures where safety matters. Available from 25 VA up to 50 kVA, with multiple taps and optional protective features.\t\t\t\t<\/div>\n\t\t\t\t<a href=\"#\" rel=\"nofollow\" class=\"wd-more-desc-btn\" aria-label=\"Read more description\"><span><\/span><\/a>\n\t\t\t<\/div>\n\t\t\t<div class=\" wd-bottom-actions\">\n\t\t\t\t<div class=\"wrap-wishlist-button\"><\/div>\n\t\t\t\t<div class=\"wd-add-btn wd-add-btn-replace\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"wrap-quickview-button\">\t\t<div class=\"quick-view wd-action-btn wd-style-icon wd-quick-view-icon\">\n\t\t\t<a\n\t\t\t\thref=\"https:\/\/www.tronkiele.com\/pt\/product\/single-phase-lighting-step-down-control-transformer\/\"\n\t\t\t\tclass=\"open-quick-view quick-view-button\"\n\t\t\t\trel=\"nofollow\"\n\t\t\t\tdata-id=\"22039\"\n\t\t\t\t>Quick view<\/a>\n\t\t<\/div>\n\t\t<\/div>\n\t\t\t<\/div>\n\n\n\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t<\/div>\n<\/div>\n<\/div>\n\t\t\t\t\t\t\t\t<div class=\"wd-product wd-hover-base wd-hover-with-fade wd-col product-grid-item product product-no-swatches type-product post-22024 status-publish first instock product_cat-control-transformers product_cat-isolation-transformer product_cat-low-voltage-transformer product_cat-three-phase-transformer has-post-thumbnail taxable shipping-taxable product-type-simple\" data-loop=\"3\" data-id=\"22024\">\n\t\n\t\n<div class=\"product-wrapper\">\n\t<div class=\"content-product-imagin\"><\/div>\n\t<div class=\"product-element-top wd-quick-shop\">\n\t\t<a href=\"https:\/\/www.tronkiele.com\/pt\/product\/500va-1000kva-three-phase-dry-type-control-transformer\/\" class=\"product-image-link\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Sg-8kVA-8000va-415V-400V-380V-Three-Phase-Dry-Type-Isolation-Control-Transformer.webp\" class=\"attachment-large size-large\" alt=\"Sg-8kVA 8000va 415V 400V 380V Three Phase Dry Type Isolation Control Transformer\" srcset=\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Sg-8kVA-8000va-415V-400V-380V-Three-Phase-Dry-Type-Isolation-Control-Transformer.webp 800w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Sg-8kVA-8000va-415V-400V-380V-Three-Phase-Dry-Type-Isolation-Control-Transformer-300x300.webp 300w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Sg-8kVA-8000va-415V-400V-380V-Three-Phase-Dry-Type-Isolation-Control-Transformer-150x150.webp 150w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Sg-8kVA-8000va-415V-400V-380V-Three-Phase-Dry-Type-Isolation-Control-Transformer-768x768.webp 768w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Sg-8kVA-8000va-415V-400V-380V-Three-Phase-Dry-Type-Isolation-Control-Transformer-12x12.webp 12w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Sg-8kVA-8000va-415V-400V-380V-Three-Phase-Dry-Type-Isolation-Control-Transformer-430x430.webp 430w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Sg-8kVA-8000va-415V-400V-380V-Three-Phase-Dry-Type-Isolation-Control-Transformer-700x700.webp 700w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t<\/a>\n\n\t\t\t\t\t<div class=\"hover-img\">\n\t\t\t\t<a href=\"https:\/\/www.tronkiele.com\/pt\/product\/500va-1000kva-three-phase-dry-type-control-transformer\/\" aria-label=\"Product image\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/High-Efficiency-Three-Phase-4000va-Dry-Type-Control-Transformer.webp\" class=\"attachment-large size-large\" alt=\"High-Efficiency Three Phase 4000va Dry Type Control Transformer\" srcset=\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/High-Efficiency-Three-Phase-4000va-Dry-Type-Control-Transformer.webp 800w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/High-Efficiency-Three-Phase-4000va-Dry-Type-Control-Transformer-300x300.webp 300w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/High-Efficiency-Three-Phase-4000va-Dry-Type-Control-Transformer-150x150.webp 150w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/High-Efficiency-Three-Phase-4000va-Dry-Type-Control-Transformer-768x768.webp 768w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/High-Efficiency-Three-Phase-4000va-Dry-Type-Control-Transformer-12x12.webp 12w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/High-Efficiency-Three-Phase-4000va-Dry-Type-Control-Transformer-430x430.webp 430w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/High-Efficiency-Three-Phase-4000va-Dry-Type-Control-Transformer-700x700.webp 700w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t<div class=\"wrapp-swatches\"><\/div>\n\n\t<\/div>\n\n\t<div class=\"product-element-bottom product-information\">\n\t\t<h3 class=\"wd-entities-title\"><a href=\"https:\/\/www.tronkiele.com\/pt\/product\/500va-1000kva-three-phase-dry-type-control-transformer\/\">High-Efficiency 500va-1000Kva Three Phase Dry Type Control Transformer 415V 400V 380V<\/a><\/h3>\t\t\t\t<div class=\"wd-product-cats\">\n\t\t\t<a href=\"https:\/\/www.tronkiele.com\/pt\/product-category\/low-voltage-transformer\/\" rel=\"tag\">Low Voltage Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/pt\/product-category\/low-voltage-transformer\/control-transformers\/\" rel=\"tag\">Control Transformers<\/a>, <a href=\"https:\/\/www.tronkiele.com\/pt\/product-category\/low-voltage-transformer\/isolation-transformer\/\" rel=\"tag\">Isolation Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/pt\/product-category\/low-voltage-transformer\/three-phase-transformer\/\" rel=\"tag\">Three Phase Transformer<\/a>\t\t<\/div>\n\t\t\t\t<div class=\"product-rating-price\">\n\t\t\t<div class=\"wrapp-product-price\">\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t<div class=\"fade-in-block wd-scroll\">\n\t\t\t<div class=\"hover-content wd-more-desc\">\n\t\t\t\t<div class=\"hover-content-inner wd-more-desc-inner\">\n\t\t\t\t\tThe SBK Series three-phase dry-type control transformer (500VA\u20131kVA) delivers compact, reliable voltage conversion for industrial control, automation and machinery applications. Available with configurable primary and secondary voltages (standard: 380V \/ 400V \/ 415V) and rated for 50Hz or 60Hz systems, this transformer is designed for low-voltage networks (&lt;1kV). Its dry, air-cooled construction eliminates oil, reduces fire risk and lowers routine maintenance \u2014 making it a safe, cost-effective choice for motor control centers, CNC systems, PLC cabinets and distribution panels.\t\t\t\t<\/div>\n\t\t\t\t<a href=\"#\" rel=\"nofollow\" class=\"wd-more-desc-btn\" aria-label=\"Read more description\"><span><\/span><\/a>\n\t\t\t<\/div>\n\t\t\t<div class=\" wd-bottom-actions\">\n\t\t\t\t<div class=\"wrap-wishlist-button\"><\/div>\n\t\t\t\t<div class=\"wd-add-btn wd-add-btn-replace\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"wrap-quickview-button\">\t\t<div class=\"quick-view wd-action-btn wd-style-icon wd-quick-view-icon\">\n\t\t\t<a\n\t\t\t\thref=\"https:\/\/www.tronkiele.com\/pt\/product\/500va-1000kva-three-phase-dry-type-control-transformer\/\"\n\t\t\t\tclass=\"open-quick-view quick-view-button\"\n\t\t\t\trel=\"nofollow\"\n\t\t\t\tdata-id=\"22024\"\n\t\t\t\t>Quick view<\/a>\n\t\t<\/div>\n\t\t<\/div>\n\t\t\t<\/div>\n\n\n\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t<\/div>\n<\/div>\n<\/div>\n\t\t\t\t\t\t\t\t<div class=\"wd-product wd-hover-base wd-hover-with-fade wd-col product-grid-item product product-no-swatches type-product post-21995 status-publish instock product_cat-isolation-transformer product_cat-low-voltage-transformer product_cat-single-phase-transformers has-post-thumbnail taxable shipping-taxable product-type-simple\" data-loop=\"4\" data-id=\"21995\">\n\t\n\t\n<div class=\"product-wrapper\">\n\t<div class=\"content-product-imagin\"><\/div>\n\t<div class=\"product-element-top wd-quick-shop\">\n\t\t<a href=\"https:\/\/www.tronkiele.com\/pt\/product\/single-phase-220v-to-220v-toroidal-balanced-isolation-transformer\/\" class=\"product-image-link\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/220v-to-220v-isolation-transformer-For-audio-equipment.webp\" class=\"attachment-large size-large\" alt=\"220v to 220v isolation transformer For audio equipment\" srcset=\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/220v-to-220v-isolation-transformer-For-audio-equipment.webp 800w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/220v-to-220v-isolation-transformer-For-audio-equipment-300x300.webp 300w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/220v-to-220v-isolation-transformer-For-audio-equipment-150x150.webp 150w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/220v-to-220v-isolation-transformer-For-audio-equipment-768x768.webp 768w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/220v-to-220v-isolation-transformer-For-audio-equipment-12x12.webp 12w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/220v-to-220v-isolation-transformer-For-audio-equipment-430x430.webp 430w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/220v-to-220v-isolation-transformer-For-audio-equipment-700x700.webp 700w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t<\/a>\n\n\t\t\t\t\t<div class=\"hover-img\">\n\t\t\t\t<a href=\"https:\/\/www.tronkiele.com\/pt\/product\/single-phase-220v-to-220v-toroidal-balanced-isolation-transformer\/\" aria-label=\"Product image\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Single-Phase-Isolation-Transformer-220v-To-220v-Safety-Isolation-Power-Supply-AC-Ring-Isolation-Transformer-Power-Converter.webp\" class=\"attachment-large size-large\" alt=\"Single Phase Isolation Transformer 220v To 220v Safety Isolation Power Supply AC Ring Isolation Transformer Power Converter\" srcset=\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Single-Phase-Isolation-Transformer-220v-To-220v-Safety-Isolation-Power-Supply-AC-Ring-Isolation-Transformer-Power-Converter.webp 800w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Single-Phase-Isolation-Transformer-220v-To-220v-Safety-Isolation-Power-Supply-AC-Ring-Isolation-Transformer-Power-Converter-300x300.webp 300w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Single-Phase-Isolation-Transformer-220v-To-220v-Safety-Isolation-Power-Supply-AC-Ring-Isolation-Transformer-Power-Converter-150x150.webp 150w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Single-Phase-Isolation-Transformer-220v-To-220v-Safety-Isolation-Power-Supply-AC-Ring-Isolation-Transformer-Power-Converter-768x768.webp 768w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Single-Phase-Isolation-Transformer-220v-To-220v-Safety-Isolation-Power-Supply-AC-Ring-Isolation-Transformer-Power-Converter-12x12.webp 12w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Single-Phase-Isolation-Transformer-220v-To-220v-Safety-Isolation-Power-Supply-AC-Ring-Isolation-Transformer-Power-Converter-430x430.webp 430w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/Single-Phase-Isolation-Transformer-220v-To-220v-Safety-Isolation-Power-Supply-AC-Ring-Isolation-Transformer-Power-Converter-700x700.webp 700w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t<div class=\"wrapp-swatches\"><\/div>\n\n\t<\/div>\n\n\t<div class=\"product-element-bottom product-information\">\n\t\t<h3 class=\"wd-entities-title\"><a href=\"https:\/\/www.tronkiele.com\/pt\/product\/single-phase-220v-to-220v-toroidal-balanced-isolation-transformer\/\">GBK2 Single Phase 220v To 220v Toroidal Balanced Isolation Transformer 300va-2Kva<\/a><\/h3>\t\t\t\t<div class=\"wd-product-cats\">\n\t\t\t<a href=\"https:\/\/www.tronkiele.com\/pt\/product-category\/low-voltage-transformer\/\" rel=\"tag\">Low Voltage Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/pt\/product-category\/low-voltage-transformer\/isolation-transformer\/\" rel=\"tag\">Isolation Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/pt\/product-category\/low-voltage-transformer\/single-phase-transformers\/\" rel=\"tag\">Single Phase Transformers<\/a>\t\t<\/div>\n\t\t\t\t<div class=\"product-rating-price\">\n\t\t\t<div class=\"wrapp-product-price\">\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t<div class=\"fade-in-block wd-scroll\">\n\t\t\t<div class=\"hover-content wd-more-desc\">\n\t\t\t\t<div class=\"hover-content-inner wd-more-desc-inner\">\n\t\t\t\t\tEnsure pristine power quality and maximum safety for sensitive loads with the <strong data-start=\"1046\" data-end=\"1085\">GBK2 toroidal isolation transformer<\/strong>. Designed for applications that demand low noise, low leakage and stable output (220V \u2192 220V), the GBK2 series isolates your equipment from mains disturbances, suppresses transients and reduces common-mode interference. Its compact toroidal core delivers higher efficiency and lower audible hum than conventional laminated transformers\u2014ideal for <strong data-start=\"1432\" data-end=\"1510\">medical devices, pro audio, laboratory instruments and industrial controls<\/strong>.\t\t\t\t<\/div>\n\t\t\t\t<a href=\"#\" rel=\"nofollow\" class=\"wd-more-desc-btn\" aria-label=\"Read more description\"><span><\/span><\/a>\n\t\t\t<\/div>\n\t\t\t<div class=\" wd-bottom-actions\">\n\t\t\t\t<div class=\"wrap-wishlist-button\"><\/div>\n\t\t\t\t<div class=\"wd-add-btn wd-add-btn-replace\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"wrap-quickview-button\">\t\t<div class=\"quick-view wd-action-btn wd-style-icon wd-quick-view-icon\">\n\t\t\t<a\n\t\t\t\thref=\"https:\/\/www.tronkiele.com\/pt\/product\/single-phase-220v-to-220v-toroidal-balanced-isolation-transformer\/\"\n\t\t\t\tclass=\"open-quick-view quick-view-button\"\n\t\t\t\trel=\"nofollow\"\n\t\t\t\tdata-id=\"21995\"\n\t\t\t\t>Quick view<\/a>\n\t\t<\/div>\n\t\t<\/div>\n\t\t\t<\/div>\n\n\n\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t<\/div>\n<\/div>\n<\/div>\n\t\t\n\t\t\t\t<\/div>\n\t\n\t\t\n\t\t\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Um autotransformador trif\u00e1sico \u00e9 um dispositivo el\u00e9trico normalmente utilizado numa variedade de aplica\u00e7\u00f5es industriais, comerciais e residenciais. \u00c9<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[93],"tags":[],"class_list":["post-21855","post","type-post","status-publish","format-standard","hentry","category-transformer"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is a 3-Phase Auto Transformer? 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