{"id":21788,"date":"2025-05-20T00:54:33","date_gmt":"2025-05-20T00:54:33","guid":{"rendered":"https:\/\/www.tronkiele.com\/?p=21788"},"modified":"2025-10-17T04:47:15","modified_gmt":"2025-10-17T04:47:15","slug":"step-up-transformers-3-phase","status":"publish","type":"post","link":"https:\/\/www.tronkiele.com\/it\/step-up-transformers-3-phase\/","title":{"rendered":"I trasformatori step up sono trifase?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"21788\" class=\"elementor elementor-21788\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"wd-negative-gap elementor-element elementor-element-6cd0d608 e-flex e-con-boxed e-con e-parent\" data-id=\"6cd0d608\" 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-39880918 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"39880918\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\"><p>Connecting voltage levels efficiently and safely is at the heart of modern power systems\u2014and <strong>step-up transformers<\/strong> play a pivotal role in raising generated voltages for long\u2010distance transmission. But are step-up transformers inherently three-phase devices? In this comprehensive guide, you\u2019ll discover not only the answer but also the underlying concepts, applications, market dynamics, technical details, and selection guidance you need to make informed decisions.<\/p><h2 class=\"wp-block-heading\">Core Concept Explanation<\/h2><p>A <strong>step-up transformer<\/strong> increases (\u201csteps up\u201d) the voltage from its primary winding to a higher voltage at its secondary winding. This voltage boost reduces current for the same power level, which in turn minimizes transmission losses over long distances. Technically, step-up transformers can be built in both <strong>single-phase<\/strong> and <strong>three-phase<\/strong> configurations:<\/p><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><ul class=\"wp-block-list\"><li><strong>Single-Phase Step-Up Transformers<\/strong> consist of one primary and one secondary winding on a single magnetic core. They\u2019re often used for small\u2010scale applications or where only single-phase power is available.<\/li>\n\n<li><strong>Three-Phase Step-Up Transformers<\/strong> integrate three sets of windings, each displaced by 120\u00b0, either in one three\u2010phase unit or as three single\u2010phase transformers connected in a bank. Three-phase units benefit from balanced loads and higher power capacity. <\/li><\/ul><\/blockquote><p>In most large\u2010scale power generation and transmission systems\u2014such as thermal, hydro, wind, or solar-PV plants\u2014<strong>three-phase step-up transformers<\/strong> are the norm due to their superior efficiency, reduced material costs, and smoother power delivery.<\/p><figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/05\/Oil\u2010filled-three-phase-step-up-transformer-at-a-power-plant-substation.webp\" alt=\"Oil\u2010filled three-phase step-up transformer at a power plant substation\" class=\"wp-image-21791\" srcset=\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/05\/Oil\u2010filled-three-phase-step-up-transformer-at-a-power-plant-substation.webp 500w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/05\/Oil\u2010filled-three-phase-step-up-transformer-at-a-power-plant-substation-300x300.webp 300w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/05\/Oil\u2010filled-three-phase-step-up-transformer-at-a-power-plant-substation-150x150.webp 150w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/05\/Oil\u2010filled-three-phase-step-up-transformer-at-a-power-plant-substation-12x12.webp 12w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/05\/Oil\u2010filled-three-phase-step-up-transformer-at-a-power-plant-substation-430x430.webp 430w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure><h2 class=\"wp-block-heading\">Product &amp; Technology Application Areas<\/h2><p>Step-up transformers find applications wherever generated voltages must be increased for efficient transmission or specialized equipment:<\/p><ul class=\"wp-block-list\"><li><strong>Power Generation Plants<\/strong>: Generators typically produce voltages in the range of 11\u201325 kV; step-up transformers boost these to 110 kV\u2013765 kV for grid transmission.<\/li>\n\n<li><strong>Renewable Energy Farms<\/strong>: Wind turbines and solar PV arrays often generate medium\u2010voltage power (e.g., 690 V or 33 kV); step-up units raise this for interconnection to transmission networks.<\/li>\n\n<li><strong>Industrial Microgrids<\/strong>: Facilities with on-site generation (gas turbines, small hydro, or biomass) use step-up transformers to tie into local distribution.<\/li>\n\n<li><strong>Rail and Transit Systems<\/strong>: Electric railways often require high-voltage AC or DC; step-up transformers on substations adjust voltage levels accordingly.<\/li>\n\n<li><strong>Mobile &amp; Temporary Substations<\/strong>: Portable three-phase step-up transformers provide rapid deployment for emergency power or remote construction sites.<\/li><\/ul><p>Modern step-up transformers may also incorporate <strong>intelligent monitoring<\/strong>, with built-in sensors for temperature, dissolved gas analysis (DGA), and load profiling\u2014enabling predictive maintenance and grid resilience.<\/p><h2 class=\"wp-block-heading\">Market Trends &amp; Development Background<\/h2><p>The demand for <a href=\"\/choose-the-right-step-up-transformer\/\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0802ff\" class=\"has-inline-color\">step-up transformers<\/mark><\/a> is closely tied to global electrification, renewable integration, and grid modernization. Key market insights include:<\/p><ul class=\"wp-block-list\"><li>The <strong>global step-up power transformer market<\/strong> was valued at <strong>USD 18 billion in 2023<\/strong> and is projected to reach <strong>USD 29 billion by 2032<\/strong>, growing at a <strong>CAGR of 5.4%<\/strong> <a href=\"https:\/\/dataintelo.com\/report\/step-up-power-transformer-market?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\">Dataintelo<\/a>.<\/li>\n\n<li>When combined with step-down units, the <strong>global market size<\/strong> stood at <strong>USD 10.5 billion in 2024<\/strong>, with an expected rise to <strong>USD 15.8 billion by 2033<\/strong> at <strong>5.5% CAGR<\/strong> <a href=\"https:\/\/www.verifiedmarketreports.com\/product\/step-up-and-step-down-transformer-market\/?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\">Verified Market Reports<\/a>.<\/li>\n\n<li>According to a recent GlobeNewswire report, <strong>renewable and EV charging infrastructure<\/strong> are major growth drivers, prompting utility investments in high-voltage step-up transformers across Asia-Pacific and Europe <a href=\"https:\/\/www.globenewswire.com\/news-release\/2025\/04\/29\/3069916\/0\/en\/Global-Transformer-Market-Report-EV-Fast-Charger-Transformer-Sales-Surge-498-Global-Transformer-Market-to-Grow-38-by-2030-Driven-by-Renewable-and-EV-Demand.html?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\">GlobeNewswire<\/a>.<\/li>\n\n<li>Supply chain constraints\u2014highlighted by Hitachi Energy\u2019s warning of a <strong>supply crunch<\/strong> amid surging demand\u2014underscore the importance of early procurement and vendor capacity assessments .<\/li><\/ul><p><strong>Regional Spotlight:<\/strong> Asia-Pacific dominates over 30% of market share, driven by large-scale rural electrification, solar\/wind farms, and rapidly expanding T&amp;D networks. North America and Europe follow, focusing on renewable integration and grid resilience.<\/p><h2 class=\"wp-block-heading\">Technical Parameters &amp; Comparison<\/h2><p>When specifying a step-up transformer, designers and purchasers should consider:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Parameter<\/th><th>Typical Values \/ Notes<\/th><\/tr><\/thead><tbody><tr><td>Rated Power (kVA\u2013MVA)<\/td><td>From 100 kVA (small renewables) up to 1,000 MVA (utility substations)<\/td><\/tr><tr><td>Voltage Ratio<\/td><td>e.g., 11 kV\/400 V \u21d2 110 kV\/11 kV; commonly 33 kV\/11 kV, 132 kV\/33 kV<\/td><\/tr><tr><td>Winding Connection<\/td><td>Delta (\u0394\/\u0394), Wye (Y\/Y), \u0394\/Y, Y\/\u0394 for step-up and step-down flexibility<\/td><\/tr><tr><td>Cooling Method<\/td><td>ONAN, ONAF, OFAF, OFWF (oil\u2010natural\/forced air\/oil\u2010forced water)<\/td><\/tr><tr><td>Impedance (%)<\/td><td>4\u20138% (affects voltage regulation and fault current)<\/td><\/tr><tr><td>Insulation Class<\/td><td>Class A\u2013Class H (oil and paper insulation ratings)<\/td><\/tr><tr><td>No-Load Losses<\/td><td>50\u2013300 W\/kVA (low-loss amorphous cores offer savings in OPEX)<\/td><\/tr><tr><td>On-Load Tap Changer<\/td><td>\u201cOLTC\u201d for real-time voltage regulation under varying load conditions<\/td><\/tr><\/tbody><\/table><\/figure><p><strong>Comparison with Single-Phase Units:<\/strong><\/p><ul class=\"wp-block-list\"><li><strong>Capacity<\/strong>: Three-phase modules handle much larger loads without requiring multiple single-phase sets.<\/li>\n\n<li><strong>Efficiency<\/strong>: Balanced three-phase operation reduces core and copper losses.<\/li>\n\n<li><strong>Footprint<\/strong>: A single three-phase tank often occupies less space than three separate single-phase units.<\/li><\/ul><h2 class=\"wp-block-heading\">Distinctions from Other Voltage-Regulating Technologies<\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Feature<\/th><th>Three-Phase Step-Up Transformer<\/th><th>Static Voltage Regulator<\/th><th>Servo Voltage Stabilizer<\/th><\/tr><\/thead><tbody><tr><td>Power Electronics<\/td><td>None (electromagnetic)<\/td><td>Uses SCRs or IGBTs<\/td><td>Uses servo motor to adjust winding<\/td><\/tr><tr><td>Voltage Regulation Speed<\/td><td>Slow (tap-changer operation)<\/td><td>Fast (&lt;\u2009ms)<\/td><td>Moderate (seconds)<\/td><\/tr><tr><td>Isolation<\/td><td>Full galvanic isolation<\/td><td>Limited (solid-state coupling)<\/td><td>Full isolation via transformer<\/td><\/tr><tr><td>Complexity<\/td><td>Low maintenance, proven design<\/td><td>Complex controls, heat-sinks<\/td><td>Mechanical parts require upkeep<\/td><\/tr><tr><td>Suitable Capacity<\/td><td>Up to GVA levels<\/td><td>Tens to hundreds of kVA<\/td><td>Hundreds of kVA<\/td><\/tr><\/tbody><\/table><\/figure><p>While static and servo stabilizers excel at protecting sensitive loads from voltage fluctuations, they cannot replace step-up transformers for high-voltage transmission due to capacity and isolation requirements.<\/p><h2 class=\"wp-block-heading\">Purchase Advice &amp; Selection Guidance<\/h2><p>Selecting the right step-up transformer involves several key considerations:<\/p><ol class=\"wp-block-list\"><li><strong>Load Profile &amp; Future Growth<\/strong><ul class=\"wp-block-list\"><li>Size for current load plus 10\u201320% margin.<\/li>\n\n<li>Account for potential renewable farm expansions or additional substations.<\/li><\/ul><\/li>\n\n<li><strong>Voltage &amp; Vector Group<\/strong><ul class=\"wp-block-list\"><li>Match primary\/secondary ratios to generator and grid voltages.<\/li>\n\n<li>Ensure compatible vector group (e.g., Dyn11, Yd5) to prevent phase shifts and circulating currents.<\/li><\/ul><\/li>\n\n<li><strong>Efficiency &amp; Losses<\/strong><ul class=\"wp-block-list\"><li>Opt for low-loss cores (amorphous steel) to reduce lifecycle OPEX.<\/li>\n\n<li>Evaluate no-load and load losses specified by IEEE C57 standards.<\/li><\/ul><\/li>\n\n<li><strong>Cooling &amp; Environmental Conditions<\/strong><ul class=\"wp-block-list\"><li>Choose appropriate cooling (ONAN for normal duty, ONAF or OFWF for high ambient or heavy loads).<\/li>\n\n<li>Verify suitability for seismic zones or high-altitude installations.<\/li><\/ul><\/li>\n\n<li><strong>Standards &amp; Certifications<\/strong><ul class=\"wp-block-list\"><li>IEC 60076-1\/2, IEEE C57.12.00, ISO 9001, CE marking, RoHS compliance.<\/li>\n\n<li>Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT) options.<\/li><\/ul><\/li>\n\n<li><strong>Warranty &amp; Service<\/strong><ul class=\"wp-block-list\"><li>Seek \u2265 2-year warranties on tanks and windings.<\/li>\n\n<li>Confirm availability of local service engineers and spare parts.<\/li><\/ul><\/li>\n\n<li><strong>Total Cost of Ownership (TCO)<\/strong><ul class=\"wp-block-list\"><li>Factor in transportation, installation, losses, maintenance, and decommissioning costs.<\/li><\/ul><\/li><\/ol><p><em>Tip:<\/em> Engage vendors with proven track records in similar projects and request detailed technical datasheets and performance guarantees.<\/p><h2 class=\"wp-block-heading\">FAQ<\/h2><p><strong>Q1: Are step-up transformers always three-phase?<\/strong><br><em>A:<\/em> No. While <strong>large step-up units<\/strong> for transmission are almost always <strong>three-phase<\/strong>, small or single-generator applications may employ <strong>single-phase step-up transformers<\/strong>, especially where only single-phase power is generated or used. <\/p><p><strong>Q2: Why use three-phase step-up transformers instead of single-phase banks?<\/strong><br><em>A:<\/em> Three-phase units offer <strong>better efficiency<\/strong>, <strong>reduced footprint<\/strong>, and <strong>balanced loading<\/strong>. They simplify installation and maintenance compared to three separate single-phase transformers. <\/p><p><strong>Q3: How do I choose between \u0394\/Y and Y\/\u0394 connections?<\/strong><br><em>A:<\/em> Use <strong>\u0394 primary\u2013Y secondary (\u0394\/Y)<\/strong> when stepping up generator voltage to the grid\u2014this provides a neutral for ground fault detection. <strong>Y primary\u2013\u0394 secondary (Y\/\u0394)<\/strong> is common in step-down applications where a neutral isn\u2019t required on the distribution side.<\/p><p>By understanding both <strong>single-phase<\/strong> and <strong>three-phase<\/strong> configurations, market dynamics, technical parameters, and proper selection practices, you can ensure optimal performance and long-term reliability of your <strong>step-up transformers<\/strong>\u2014whether for a remote solar farm or a national transmission grid.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9b1ee15 elementor-widget elementor-widget-wd_text_block\" data-id=\"9b1ee15\" 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-b1109c3 wd-width-100 elementor-widget elementor-widget-wd_blog\" data-id=\"b1109c3\" 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\" id=\"69d2f090206b9\" data-paged=\"1\" 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A Complete Guide for Industrial Applications\"><\/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\/it\/control-transformer\/\" rel=\"bookmark\">\n\t\t\t\t\t\t\tWhat is a Control Transformer? A Complete Guide for Industrial Applications\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\nIn today\u2019s modern electrical systems, maintaining safe, stable, and interference-free power is crucial. One small...\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\/it\/control-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-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\/it\/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\/it\/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\/it\/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\/it\/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 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\/it\/isolation-transformer-price-and-purchasing\/\" rel=\"bookmark\">\n\t\t\t\t\t\t\tIsolation Transformer Price and Purchasing Guide\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 isolation transformer provides galvanic separation between the power source and the load to improve safety and...\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\/it\/isolation-transformer-price-and-purchasing\/\">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\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d227565 elementor-widget elementor-widget-wd_text_block\" data-id=\"d227565\" 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-f4f2cc9 wd-width-100 elementor-widget elementor-widget-wd_products\" data-id=\"f4f2cc9\" 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 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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\/it\/product\/single-phase-toroidal-isolation-transformer\/\" class=\"product-image-link\">\n\t\t\t<img 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\/it\/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\/it\/product-category\/low-voltage-transformer\/\" rel=\"tag\">Low Voltage Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/it\/product-category\/low-voltage-transformer\/isolation-transformer\/\" rel=\"tag\">Isolation Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/it\/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\/it\/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\/it\/product\/single-phase-lighting-step-down-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\/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\/it\/product\/single-phase-lighting-step-down-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\/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\/it\/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\/it\/product-category\/low-voltage-transformer\/\" rel=\"tag\">Low Voltage Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/it\/product-category\/low-voltage-transformer\/control-transformers\/\" rel=\"tag\">Control Transformers<\/a>, <a href=\"https:\/\/www.tronkiele.com\/it\/product-category\/low-voltage-transformer\/isolation-transformer\/\" rel=\"tag\">Isolation Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/it\/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\/it\/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\/it\/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\/it\/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\/it\/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\/it\/product-category\/low-voltage-transformer\/\" rel=\"tag\">Low Voltage Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/it\/product-category\/low-voltage-transformer\/control-transformers\/\" rel=\"tag\">Control Transformers<\/a>, <a href=\"https:\/\/www.tronkiele.com\/it\/product-category\/low-voltage-transformer\/isolation-transformer\/\" rel=\"tag\">Isolation Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/it\/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\/it\/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\/it\/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\/it\/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\/it\/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\/it\/product-category\/low-voltage-transformer\/\" rel=\"tag\">Low Voltage Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/it\/product-category\/low-voltage-transformer\/isolation-transformer\/\" rel=\"tag\">Isolation Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/it\/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\/it\/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>Connecting voltage levels efficiently and safely is at the heart of modern power systems\u2014and step-up transformers play a pivotal role<\/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-21788","post","type-post","status-publish","format-standard","hentry","category-transformer"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.0 - 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