{"id":21959,"date":"2025-09-24T05:22:18","date_gmt":"2025-09-24T05:22:18","guid":{"rendered":"https:\/\/www.tronkiele.com\/?p=21959"},"modified":"2025-09-25T08:47:02","modified_gmt":"2025-09-25T08:47:02","slug":"how-to-identify-an-isolation-transformer","status":"publish","type":"post","link":"https:\/\/www.tronkiele.com\/ru\/how-to-identify-an-isolation-transformer\/","title":{"rendered":"\u041a\u0430\u043a \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u043e\u043d\u043d\u044b\u0439 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440 - \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0442\u0435\u0441\u0442\u044b, \u043f\u043e\u0434\u0441\u043a\u0430\u0437\u043a\u0438 \u043d\u0430 \u0448\u0438\u043b\u044c\u0434\u0438\u043a\u0435 \u0438 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c\u043d\u044b\u0439 \u0441\u043f\u0438\u0441\u043e\u043a \u043f\u043e\u043a\u0443\u043f\u0430\u0442\u0435\u043b\u044f"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"21959\" class=\"elementor elementor-21959\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"wd-negative-gap elementor-element elementor-element-63997d50 e-flex e-con-boxed e-con e-parent\" data-id=\"63997d50\" 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-419eeb4f color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"419eeb4f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\"><p>An <span style=\"color: #0000ff;\"><strong><a style=\"color: #0000ff;\" href=\"https:\/\/www.tronkiele.com\/product-category\/low-voltage-transformer\/isolation-transformer\/\">isolation transformer<\/a><\/strong><\/span> provides galvanic separation between its primary and secondary windings. That electrical separation improves safety, reduces common-mode noise and ground-loop interference, and protects sensitive equipment. Before installation, testing, or procurement, it\u2019s important to be able to <strong>confirm<\/strong> that a unit is a true isolation transformer \u2014 not an autotransformer or a different control transformer. This guide gives field-tested, safety-first steps and the documentation you should demand from suppliers.<\/p><figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" class=\"wp-image-21948\" src=\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/SG-10kva-1000kva-Three-Phase-Dry-Type-Isolation-Step-Down-Transformer.webp\" alt=\"SG 10kva-1000kva Three Phase Dry Type Isolation Step Down Transformer\" srcset=\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/SG-10kva-1000kva-Three-Phase-Dry-Type-Isolation-Step-Down-Transformer.webp 800w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/SG-10kva-1000kva-Three-Phase-Dry-Type-Isolation-Step-Down-Transformer-300x300.webp 300w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/SG-10kva-1000kva-Three-Phase-Dry-Type-Isolation-Step-Down-Transformer-150x150.webp 150w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/SG-10kva-1000kva-Three-Phase-Dry-Type-Isolation-Step-Down-Transformer-768x768.webp 768w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/SG-10kva-1000kva-Three-Phase-Dry-Type-Isolation-Step-Down-Transformer-12x12.webp 12w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/SG-10kva-1000kva-Three-Phase-Dry-Type-Isolation-Step-Down-Transformer-430x430.webp 430w, https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/SG-10kva-1000kva-Three-Phase-Dry-Type-Isolation-Step-Down-Transformer-700x700.webp 700w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure><h3 class=\"wp-block-heading\">1. Check the nameplate and datasheet first<\/h3><p>The quickest, non-intrusive check is the transformer nameplate and accompanying datasheet. Look for clear indicators:<\/p><ul class=\"wp-block-list\"><li><strong>Primary and secondary voltages<\/strong> (e.g., 230 V : 230 V) and kVA rating.<\/li><li>Explicit wording like <strong>\u201cIsolation Transformer\u201d<\/strong>, \u201cIsolating\u201d, or a 1:1 specification when isolation is the unit\u2019s purpose.<\/li><li><strong>Vector group or connection diagram<\/strong> and insulation class (F\/H).<\/li><li>Factory test references (hi-pot, insulation resistance) listed or available on request.<\/li><\/ul><p>A nameplate alone isn\u2019t definitive, but it\u2019s the first and required piece of evidence.<\/p><h3 class=\"wp-block-heading\">2. Visual &amp; wiring clues on the unit<\/h3><p>Isolation transformers typically have <strong>separate, clearly labelled terminal blocks<\/strong> for primary and secondary. Additional signs: a dedicated <strong>shield\/earth terminal<\/strong> (for electrostatic screens), separate enclosure compartments, and robust insulation barriers. If terminals are tied together or share the same block, treat that unit with suspicion.<\/p><h3 class=\"wp-block-heading\">3. Continuity check (quick, safe, non-destructive)<\/h3><p><strong>Important:<\/strong> always disconnect power and apply lockout\/tagout before testing.<\/p><p>Using a digital multimeter in ohms mode, check for continuity between any primary terminal and any secondary terminal. For a genuine isolation transformer you should read <strong>no continuity<\/strong> (open circuit). A low resistance reading means the windings are directly connected \u2014 that unit is not isolated.<\/p><h3 class=\"wp-block-heading\">4. Insulation resistance (megger) test \u2014 field verification<\/h3><p>An insulation-resistance (megger) test measures how well primary and secondary are isolated. Measure M\u03a9 between primary and secondary and between each winding and earth. Acceptable values are typically in the <strong>megaohm<\/strong> range; compare to the manufacturer\u2019s datasheet. Low insulation resistance indicates compromised inter-winding insulation.<\/p><h3 class=\"wp-block-heading\">5. Turns-ratio test (TTR) \u2014 confirms winding correctness<\/h3><p>A Transformer Turns Ratio tester verifies the expected ratio between primary and secondary. For 1:1 isolation transformers the TTR should read near 1.0. Significant deviations can indicate shorted turns, incorrect wiring, or manufacturing faults.<\/p><h3 class=\"wp-block-heading\">6. Hi-pot (dielectric) test \u2014 definitive proof (trained personnel only)<\/h3><p>High-potential testing applies a controlled high AC or DC voltage between primary and secondary to validate insulation strength. This test must be performed by trained technicians following standards (IEC\/UL\/local codes). Do <strong>not<\/strong> hi-pot on site without proper procedures \u2014 it can stress insulation if done incorrectly.<\/p><h3 class=\"wp-block-heading\">7. Ask for documented evidence (EEAT checklist)<\/h3><p>To prove isolation performance and support procurement decisions, request:<\/p><ul class=\"wp-block-list\"><li>Factory hi-pot and insulation test reports.<\/li><li>TTR and temperature-rise test reports.<\/li><li>Compliance certificates (IEC\/UL\/CE as required).<\/li><li>Wiring diagrams and installation instructions.<\/li><\/ul><h3 class=\"wp-block-heading\">Buyer\u2019s quick checklist (one view)<\/h3><ul class=\"wp-block-list\"><li>Nameplate: labelled \u201cIsolation\u201d or 1:1 spec \u2714<\/li><li>Separate primary &amp; secondary terminals \u2714<\/li><li>Continuity test: no primary-to-secondary continuity \u2714<\/li><li>Megger: M\u03a9 per datasheet \u2714<\/li><li>TTR: expected ratio \u2714<\/li><li>Factory hi-pot &amp; test reports \u2714<\/li><\/ul><hr class=\"wp-block-separator has-alpha-channel-opacity\" \/><h2 class=\"wp-block-heading\">FAQs<\/h2><p><strong>Q1 \u2014 Can a 1:1 transformer still NOT be an isolation transformer?<\/strong><br \/>Yes. 1:1 ratio indicates equal voltages but does not guarantee separate windings. Always confirm separation via terminal layout, continuity and test reports.<\/p><p><strong>Q2 \u2014 Is a megger test enough to prove isolation?<\/strong><br \/>A megger is a strong field test but should be combined with TTR and hi-pot (when needed) plus factory reports for full assurance.<\/p><p><strong>Q3 \u2014 Who should perform hi-pot and TTR tests?<\/strong><br \/>Only trained technicians or authorized service engineers should perform hi-pot or TTR tests, following safety procedures and standards.<\/p><p>Need verified isolation transformers with factory test reports and on-site commissioning? Contact ZHENGXI Technical Support for datasheets and certified test documentation.<\/p><p>\u00a0<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1693c9f elementor-widget elementor-widget-wd_text_block\" data-id=\"1693c9f\" 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-096004f wd-width-100 elementor-widget elementor-widget-wd_blog\" data-id=\"096004f\" 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=\"69d2c9b714c0b\" data-paged=\"1\" data-atts=\"{&quot;post_type&quot;:&quot;ids&quot;,&quot;items_per_page&quot;:4,&quot;include&quot;:[&quot;21920&quot;,&quot;21955&quot;,&quot;21962&quot;],&quot;taxonomies&quot;:null,&quot;offset&quot;:null,&quot;orderby&quot;:&quot;&quot;,&quot;order&quot;:&quot;DESC&quot;,&quot;meta_key&quot;:null,&quot;exclude&quot;:null,&quot;parts_media&quot;:true,&quot;parts_title&quot;:&quot;1&quot;,&quot;parts_meta&quot;:&quot;&quot;,&quot;parts_text&quot;:&quot;1&quot;,&quot;parts_btn&quot;:&quot;1&quot;,&quot;img_size&quot;:&quot;medium&quot;,&quot;blog_design&quot;:&quot;list&quot;,&quot;blog_carousel_design&quot;:null,&quot;blog_columns&quot;:null,&quot;blog_columns_tablet&quot;:{&quot;size&quot;:&quot;&quot;},&quot;blog_columns_mobile&quot;:{&quot;size&quot;:&quot;&quot;},&quot;blog_spacing&quot;:null,&quot;blog_spacing_tablet&quot;:&quot;&quot;,&quot;blog_spacing_mobile&quot;:&quot;&quot;,&quot;pagination&quot;:&quot;&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;autoplay&quot;:null,&quot;hide_pagination_control&quot;:null,&quot;hide_prev_next_buttons&quot;:null,&quot;scroll_per_page&quot;:null,&quot;lazy_loading&quot;:&quot;yes&quot;,&quot;scroll_carousel_init&quot;:null,&quot;ajax_page&quot;:&quot;&quot;,&quot;custom_sizes&quot;:false,&quot;elementor&quot;:true}\" 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-21962\" class=\"wd-post blog-design-list blog-post-loop blog-style-bg wd-add-shadow post-21962 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\t\u0421\u0435\u043d\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\/ru\/how-to-wire-an-isolation-transformer\/\" rel=\"bookmark\" aria-label=\"Link on post How to wire an Isolation Transformer \u2014 Step-by-step guide for engineers &amp; electricians\"><\/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\/ru\/how-to-wire-an-isolation-transformer\/\" rel=\"bookmark\">\n\t\t\t\t\t\t\tHow to wire an Isolation Transformer \u2014 Step-by-step guide for engineers &amp; electricians\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\nWiring an isolation transformer correctly is essential for safety, EMC performance and reliable operation of down...\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\/ru\/how-to-wire-an-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-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\t\u0421\u0435\u043d\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\/ru\/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\/ru\/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\/ru\/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\t\u0421\u0435\u043d\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\/ru\/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\/ru\/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\/ru\/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-17836e1 elementor-widget elementor-widget-wd_text_block\" data-id=\"17836e1\" 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-dd865c5 wd-width-100 elementor-widget elementor-widget-wd_products\" data-id=\"dd865c5\" 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\/ru\/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\/ru\/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\/ru\/product-category\/low-voltage-transformer\/\" rel=\"tag\">Low Voltage Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/ru\/product-category\/low-voltage-transformer\/isolation-transformer\/\" rel=\"tag\">Isolation Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/ru\/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\/ru\/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\/ru\/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\/ru\/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\/ru\/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\/ru\/product-category\/low-voltage-transformer\/\" rel=\"tag\">Low Voltage Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/ru\/product-category\/low-voltage-transformer\/control-transformers\/\" rel=\"tag\">Control Transformers<\/a>, <a href=\"https:\/\/www.tronkiele.com\/ru\/product-category\/low-voltage-transformer\/isolation-transformer\/\" rel=\"tag\">Isolation Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/ru\/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\/ru\/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\/ru\/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\/ru\/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\/ru\/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\/ru\/product-category\/low-voltage-transformer\/\" rel=\"tag\">Low Voltage Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/ru\/product-category\/low-voltage-transformer\/control-transformers\/\" rel=\"tag\">Control Transformers<\/a>, <a href=\"https:\/\/www.tronkiele.com\/ru\/product-category\/low-voltage-transformer\/isolation-transformer\/\" rel=\"tag\">Isolation Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/ru\/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\/ru\/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\/ru\/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\/ru\/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\/ru\/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\/ru\/product-category\/low-voltage-transformer\/\" rel=\"tag\">Low Voltage Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/ru\/product-category\/low-voltage-transformer\/isolation-transformer\/\" rel=\"tag\">Isolation Transformer<\/a>, <a href=\"https:\/\/www.tronkiele.com\/ru\/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\/ru\/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>An isolation transformer provides galvanic separation between its primary and secondary windings. That electrical separation improves safety, reduces common-mode noise<\/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-21959","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>How to Identify an Isolation Transformer \u2014 Practical Tests, Nameplate Clues &amp; Buyer Checklist - PINE-ZHENGXI<\/title>\n<meta name=\"description\" content=\"Learn how to identify a true isolation transformer with nameplate checks, continuity, megger and turns-ratio tests. Practical safety tips and a buyer\u2019s checklist for engineers and facility managers.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tronkiele.com\/ru\/how-to-identify-an-isolation-transformer\/\" \/>\n<meta property=\"og:locale\" content=\"ru_RU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Identify an Isolation Transformer \u2014 Practical Tests, Nameplate Clues &amp; Buyer Checklist - PINE-ZHENGXI\" \/>\n<meta property=\"og:description\" content=\"Learn how to identify a true isolation transformer with nameplate checks, continuity, megger and turns-ratio tests. Practical safety tips and a buyer\u2019s checklist for engineers and facility managers.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.tronkiele.com\/ru\/how-to-identify-an-isolation-transformer\/\" \/>\n<meta property=\"og:site_name\" content=\"PINE-ZHENGXI\" \/>\n<meta property=\"article:published_time\" content=\"2025-09-24T05:22:18+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-25T08:47:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/SG-10kva-1000kva-Three-Phase-Dry-Type-Isolation-Step-Down-Transformer.webp\" \/>\n<meta name=\"author\" content=\"TRONKI\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u041d\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u0430\u0432\u0442\u043e\u0440\u043e\u043c\" \/>\n\t<meta name=\"twitter:data1\" content=\"TRONKI\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u041f\u0440\u0438\u043c\u0435\u0440\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 \u043c\u0438\u043d\u0443\u0442\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":[\"Article\",\"BlogPosting\"],\"@id\":\"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/\"},\"author\":{\"name\":\"TRONKI\",\"@id\":\"https:\/\/www.tronkiele.com\/#\/schema\/person\/4cb742e1a580d7a81c864fb6632382e1\"},\"headline\":\"How to Identify an Isolation Transformer \u2014 Practical Tests, Nameplate Clues &amp; Buyer Checklist\",\"datePublished\":\"2025-09-24T05:22:18+00:00\",\"dateModified\":\"2025-09-25T08:47:02+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/\"},\"wordCount\":1067,\"publisher\":{\"@id\":\"https:\/\/www.tronkiele.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/SG-10kva-1000kva-Three-Phase-Dry-Type-Isolation-Step-Down-Transformer.webp\",\"articleSection\":[\"Transformer\"],\"inLanguage\":\"ru-RU\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/\",\"url\":\"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/\",\"name\":\"How to Identify an Isolation Transformer \u2014 Practical Tests, Nameplate Clues &amp; Buyer Checklist - PINE-ZHENGXI\",\"isPartOf\":{\"@id\":\"https:\/\/www.tronkiele.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/SG-10kva-1000kva-Three-Phase-Dry-Type-Isolation-Step-Down-Transformer.webp\",\"datePublished\":\"2025-09-24T05:22:18+00:00\",\"dateModified\":\"2025-09-25T08:47:02+00:00\",\"description\":\"Learn how to identify a true isolation transformer with nameplate checks, continuity, megger and turns-ratio tests. Practical safety tips and a buyer\u2019s checklist for engineers and facility managers.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/#breadcrumb\"},\"inLanguage\":\"ru-RU\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ru-RU\",\"@id\":\"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/#primaryimage\",\"url\":\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/SG-10kva-1000kva-Three-Phase-Dry-Type-Isolation-Step-Down-Transformer.webp\",\"contentUrl\":\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/SG-10kva-1000kva-Three-Phase-Dry-Type-Isolation-Step-Down-Transformer.webp\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.tronkiele.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"How to Identify an Isolation Transformer \u2014 Practical Tests, Nameplate Clues &amp; Buyer Checklist\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.tronkiele.com\/#website\",\"url\":\"https:\/\/www.tronkiele.com\/\",\"name\":\"PINE-ZHENGXI\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.tronkiele.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.tronkiele.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ru-RU\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.tronkiele.com\/#organization\",\"name\":\"PINE-ZHENGXI\",\"url\":\"https:\/\/www.tronkiele.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ru-RU\",\"@id\":\"https:\/\/www.tronkiele.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2024\/11\/cropped-tronki.webp\",\"contentUrl\":\"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2024\/11\/cropped-tronki.webp\",\"width\":512,\"height\":512,\"caption\":\"PINE-ZHENGXI\"},\"image\":{\"@id\":\"https:\/\/www.tronkiele.com\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.tronkiele.com\/#\/schema\/person\/4cb742e1a580d7a81c864fb6632382e1\",\"name\":\"TRONKI\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ru-RU\",\"@id\":\"https:\/\/www.tronkiele.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/07dc6b945b6df01205b1ae74df3428f981607547b24d37324ab40c256f270a21?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/07dc6b945b6df01205b1ae74df3428f981607547b24d37324ab40c256f270a21?s=96&d=mm&r=g\",\"caption\":\"TRONKI\"},\"sameAs\":[\"http:\/\/www.tronkiele.com\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"How to Identify an Isolation Transformer \u2014 Practical Tests, Nameplate Clues &amp; Buyer Checklist - PINE-ZHENGXI","description":"\u0423\u0437\u043d\u0430\u0439\u0442\u0435, \u043a\u0430\u043a \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u043d\u0430\u0441\u0442\u043e\u044f\u0449\u0438\u0439 \u0438\u0437\u043e\u043b\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0437\u0430\u0432\u043e\u0434\u0441\u043a\u043e\u0439 \u0442\u0430\u0431\u043b\u0438\u0447\u043a\u0438, \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u0438, \u043c\u0435\u0433\u043e\u043c\u043c\u0435\u0442\u0440\u0430 \u0438 \u0441\u043e\u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u044f \u0432\u0438\u0442\u043a\u043e\u0432. \u041f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0441\u043e\u0432\u0435\u0442\u044b \u043f\u043e \u0442\u0435\u0445\u043d\u0438\u043a\u0435 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0438 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c\u043d\u044b\u0439 \u0441\u043f\u0438\u0441\u043e\u043a \u043f\u043e\u043a\u0443\u043f\u0430\u0442\u0435\u043b\u044f \u0434\u043b\u044f \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u043e\u0432 \u0438 \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u0439 \u043f\u0440\u0435\u0434\u043f\u0440\u0438\u044f\u0442\u0438\u0439.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.tronkiele.com\/ru\/how-to-identify-an-isolation-transformer\/","og_locale":"ru_RU","og_type":"article","og_title":"How to Identify an Isolation Transformer \u2014 Practical Tests, Nameplate Clues &amp; Buyer Checklist - PINE-ZHENGXI","og_description":"Learn how to identify a true isolation transformer with nameplate checks, continuity, megger and turns-ratio tests. Practical safety tips and a buyer\u2019s checklist for engineers and facility managers.","og_url":"https:\/\/www.tronkiele.com\/ru\/how-to-identify-an-isolation-transformer\/","og_site_name":"PINE-ZHENGXI","article_published_time":"2025-09-24T05:22:18+00:00","article_modified_time":"2025-09-25T08:47:02+00:00","og_image":[{"url":"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/SG-10kva-1000kva-Three-Phase-Dry-Type-Isolation-Step-Down-Transformer.webp","type":"","width":"","height":""}],"author":"TRONKI","twitter_card":"summary_large_image","twitter_misc":{"\u041d\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u0430\u0432\u0442\u043e\u0440\u043e\u043c":"TRONKI","\u041f\u0440\u0438\u043c\u0435\u0440\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f":"7 \u043c\u0438\u043d\u0443\u0442"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":["Article","BlogPosting"],"@id":"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/#article","isPartOf":{"@id":"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/"},"author":{"name":"TRONKI","@id":"https:\/\/www.tronkiele.com\/#\/schema\/person\/4cb742e1a580d7a81c864fb6632382e1"},"headline":"How to Identify an Isolation Transformer \u2014 Practical Tests, Nameplate Clues &amp; Buyer Checklist","datePublished":"2025-09-24T05:22:18+00:00","dateModified":"2025-09-25T08:47:02+00:00","mainEntityOfPage":{"@id":"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/"},"wordCount":1067,"publisher":{"@id":"https:\/\/www.tronkiele.com\/#organization"},"image":{"@id":"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/#primaryimage"},"thumbnailUrl":"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/SG-10kva-1000kva-Three-Phase-Dry-Type-Isolation-Step-Down-Transformer.webp","articleSection":["Transformer"],"inLanguage":"ru-RU"},{"@type":"WebPage","@id":"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/","url":"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/","name":"How to Identify an Isolation Transformer \u2014 Practical Tests, Nameplate Clues &amp; Buyer Checklist - PINE-ZHENGXI","isPartOf":{"@id":"https:\/\/www.tronkiele.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/#primaryimage"},"image":{"@id":"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/#primaryimage"},"thumbnailUrl":"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/SG-10kva-1000kva-Three-Phase-Dry-Type-Isolation-Step-Down-Transformer.webp","datePublished":"2025-09-24T05:22:18+00:00","dateModified":"2025-09-25T08:47:02+00:00","description":"\u0423\u0437\u043d\u0430\u0439\u0442\u0435, \u043a\u0430\u043a \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u043d\u0430\u0441\u0442\u043e\u044f\u0449\u0438\u0439 \u0438\u0437\u043e\u043b\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0437\u0430\u0432\u043e\u0434\u0441\u043a\u043e\u0439 \u0442\u0430\u0431\u043b\u0438\u0447\u043a\u0438, \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u0438, \u043c\u0435\u0433\u043e\u043c\u043c\u0435\u0442\u0440\u0430 \u0438 \u0441\u043e\u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u044f \u0432\u0438\u0442\u043a\u043e\u0432. \u041f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0441\u043e\u0432\u0435\u0442\u044b \u043f\u043e \u0442\u0435\u0445\u043d\u0438\u043a\u0435 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0438 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c\u043d\u044b\u0439 \u0441\u043f\u0438\u0441\u043e\u043a \u043f\u043e\u043a\u0443\u043f\u0430\u0442\u0435\u043b\u044f \u0434\u043b\u044f \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u043e\u0432 \u0438 \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u0439 \u043f\u0440\u0435\u0434\u043f\u0440\u0438\u044f\u0442\u0438\u0439.","breadcrumb":{"@id":"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/#breadcrumb"},"inLanguage":"ru-RU","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/"]}]},{"@type":"ImageObject","inLanguage":"ru-RU","@id":"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/#primaryimage","url":"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/SG-10kva-1000kva-Three-Phase-Dry-Type-Isolation-Step-Down-Transformer.webp","contentUrl":"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2025\/09\/SG-10kva-1000kva-Three-Phase-Dry-Type-Isolation-Step-Down-Transformer.webp"},{"@type":"BreadcrumbList","@id":"https:\/\/www.tronkiele.com\/how-to-identify-an-isolation-transformer\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.tronkiele.com\/"},{"@type":"ListItem","position":2,"name":"How to Identify an Isolation Transformer \u2014 Practical Tests, Nameplate Clues &amp; Buyer Checklist"}]},{"@type":"WebSite","@id":"https:\/\/www.tronkiele.com\/#website","url":"https:\/\/www.tronkiele.com\/","name":"PINE-ZHENGXI","description":"","publisher":{"@id":"https:\/\/www.tronkiele.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.tronkiele.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ru-RU"},{"@type":"Organization","@id":"https:\/\/www.tronkiele.com\/#organization","name":"PINE-ZHENGXI","url":"https:\/\/www.tronkiele.com\/","logo":{"@type":"ImageObject","inLanguage":"ru-RU","@id":"https:\/\/www.tronkiele.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2024\/11\/cropped-tronki.webp","contentUrl":"https:\/\/www.tronkiele.com\/wp-content\/uploads\/2024\/11\/cropped-tronki.webp","width":512,"height":512,"caption":"PINE-ZHENGXI"},"image":{"@id":"https:\/\/www.tronkiele.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.tronkiele.com\/#\/schema\/person\/4cb742e1a580d7a81c864fb6632382e1","name":"TRONKI","image":{"@type":"ImageObject","inLanguage":"ru-RU","@id":"https:\/\/www.tronkiele.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/07dc6b945b6df01205b1ae74df3428f981607547b24d37324ab40c256f270a21?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/07dc6b945b6df01205b1ae74df3428f981607547b24d37324ab40c256f270a21?s=96&d=mm&r=g","caption":"TRONKI"},"sameAs":["http:\/\/www.tronkiele.com"]}]}},"_links":{"self":[{"href":"https:\/\/www.tronkiele.com\/ru\/wp-json\/wp\/v2\/posts\/21959","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tronkiele.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tronkiele.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tronkiele.com\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tronkiele.com\/ru\/wp-json\/wp\/v2\/comments?post=21959"}],"version-history":[{"count":11,"href":"https:\/\/www.tronkiele.com\/ru\/wp-json\/wp\/v2\/posts\/21959\/revisions"}],"predecessor-version":[{"id":22010,"href":"https:\/\/www.tronkiele.com\/ru\/wp-json\/wp\/v2\/posts\/21959\/revisions\/22010"}],"wp:attachment":[{"href":"https:\/\/www.tronkiele.com\/ru\/wp-json\/wp\/v2\/media?parent=21959"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tronkiele.com\/ru\/wp-json\/wp\/v2\/categories?post=21959"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tronkiele.com\/ru\/wp-json\/wp\/v2\/tags?post=21959"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}