{"id":13409,"date":"2025-03-11T06:18:45","date_gmt":"2025-03-11T06:18:45","guid":{"rendered":"https:\/\/www.espowercorp.com\/?page_id=13409"},"modified":"2026-02-27T09:14:22","modified_gmt":"2026-02-27T09:14:22","slug":"automatic-transfer-switch-controller","status":"publish","type":"page","link":"https:\/\/www.espowercorp.com\/en\/automatic-transfer-switch-controller\/","title":{"rendered":"AUTOMATIC TRANSFER SWITCH CONTROLLER"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"13409\" class=\"elementor elementor-13409\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-db56ef7 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"db56ef7\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1c94feb5\" data-id=\"1c94feb5\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-834a578 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no elementor-invisible\" data-id=\"834a578\" data-element_type=\"section\" data-settings=\"{&quot;animation&quot;:&quot;zoomIn&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-62cad5a\" data-id=\"62cad5a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-11f861e elementor-widget elementor-widget-image\" data-id=\"11f861e\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"http:\/\/www.esptechno.com\/main\/espower-2\/\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1536\" height=\"377\" src=\"https:\/\/www.espowercorp.com\/wp-content\/uploads\/2022\/05\/ESPOWER-1536x377.png\" class=\"attachment-1536x1536 size-1536x1536 wp-image-1643\" alt=\"\" srcset=\"https:\/\/www.espowercorp.com\/wp-content\/uploads\/2022\/05\/ESPOWER-1536x377.png 1536w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2022\/05\/ESPOWER-300x74.png 300w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2022\/05\/ESPOWER-1024x251.png 1024w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2022\/05\/ESPOWER-768x189.png 768w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2022\/05\/ESPOWER-24x6.png 24w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2022\/05\/ESPOWER-36x9.png 36w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2022\/05\/ESPOWER-48x12.png 48w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2022\/05\/ESPOWER.png 1947w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\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-acbd93b elementor-widget elementor-widget-text-editor\" data-id=\"acbd93b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>SD-BD-04-03\/Rev.10\/27-02-69<\/p>\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-93d6665 elementor-widget elementor-widget-spacer\" data-id=\"93d6665\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4a86c93a elementor-hidden-phone elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"4a86c93a\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7c014bb3\" data-id=\"7c014bb3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6cd539e0 elementor-widget elementor-widget-heading\" data-id=\"6cd539e0\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-medium\">AUTOMATIC TRANSFER SWITCH CONTROLLER<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-68d07c0 elementor-widget elementor-widget-easymeals_core_separator\" data-id=\"68d07c0\" data-element_type=\"widget\" data-widget_type=\"easymeals_core_separator.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"qodef-shortcode qodef-m  qodef-separator clear\">\n\t<div class=\"qodef-m-line\" style=\"border-color: #0A79A1;border-style: solid;width: 70px;border-bottom-width: 3px\"><\/div>\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4cacfd5a elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"4cacfd5a\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-25ba87cb\" data-id=\"25ba87cb\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-27a4b9ed elementor-widget elementor-widget-image\" data-id=\"27a4b9ed\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"852\" height=\"1024\" src=\"https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/IMG_5968-copy-2-852x1024.png\" class=\"attachment-large size-large wp-image-15832\" alt=\"ATSC\" srcset=\"https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/IMG_5968-copy-2-852x1024.png 852w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/IMG_5968-copy-2-250x300.png 250w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/IMG_5968-copy-2-768x923.png 768w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/IMG_5968-copy-2-10x12.png 10w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/IMG_5968-copy-2-20x24.png 20w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/IMG_5968-copy-2-30x36.png 30w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/IMG_5968-copy-2-29x35.png 29w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/IMG_5968-copy-2.png 999w\" sizes=\"(max-width: 852px) 100vw, 852px\" \/>\t\t\t\t\t\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-4e7cc653 elementor-widget elementor-widget-spacer\" data-id=\"4e7cc653\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\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-79af88d elementor-widget elementor-widget-heading\" data-id=\"79af88d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">DESCRIPTION <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-61691c90 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"61691c90\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-831ec8d\" data-id=\"831ec8d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7a12fbcf elementor-widget elementor-widget-text-editor\" data-id=\"7a12fbcf\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The Automatic Transfer Switch Controller (ATSC) controls two power sources or one main source and one generator source. It monitors voltage, frequency, and phase conditions to ensure safe transfer operation.<\/p>\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-11d3746 elementor-widget elementor-widget-text-editor\" data-id=\"11d3746\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Utility-to-Utility<\/li><li>Utility-to-Generator<\/li><li>Generator-to-Generator<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7d2114c elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"7d2114c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1e146a3c\" data-id=\"1e146a3c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-19427861 elementor-widget elementor-widget-heading\" data-id=\"19427861\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FEATURES <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-70cc898c elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"70cc898c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-fffd926\" data-id=\"fffd926\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-27e0fe83 elementor-widget elementor-widget-text-editor\" data-id=\"27e0fe83\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Over\/Under voltage monitoring<\/li><li>Over\/Under voltage cutoff point set<\/li><li>Over\/Under voltage recovery point set<\/li><li>Phase sequence check (3P4W)<\/li><li>Automatic transfer mode\/Manual transfer mode<\/li><li>LED status of Automatic\/Manual mode<\/li><li>Selectable main power source<\/li><li>LED status of selected power source<\/li><li>Able to add external indicator lamp<\/li><li>Able to add external switch for select between source 1\/source2<\/li><li>Able to add external switch for select between automatic transfer\/manual transfer mode<\/li><li>Option : RS485<\/li><li>Built-in clock with adjustable date and time<\/li><li>Selectable function 1P2W or 3P4W<\/li><li>Precision setting value to setting the interlocktime of sequence transfer switches from source 1 to source 2 to avoid power collision<\/li><li>Able to set up transfer time delay by set up these functions, Main failure timer, Delay on transfer timer, Main return timer, Cool down timer etc,<\/li><li>Generator exercise schedule set up<br \/>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0&#8211; Daily schedule, time&amp;Duration<br \/>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0&#8211; Weekly schedule, Day&amp;time&amp;Duration<br \/>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0&#8211; Monthly schedule, Day&amp;time&amp;Duration<br \/>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0&#8211; Time duration of generator exercise can be select between 0-60 minutes<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-391686fc elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"391686fc\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-25ef7bc2\" data-id=\"25ef7bc2\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-89f4786 elementor-widget elementor-widget-spacer\" data-id=\"89f4786\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\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-19acd070 elementor-widget elementor-widget-heading\" data-id=\"19acd070\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">SPECIFICATION <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-521273ab elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"521273ab\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4716dafc\" data-id=\"4716dafc\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5467e35a elementor-widget elementor-widget-image\" data-id=\"5467e35a\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"935\" src=\"https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Spec-1024x935.png\" class=\"attachment-large size-large wp-image-17290\" alt=\"ATSC_Spec\" srcset=\"https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Spec-1024x935.png 1024w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Spec-300x274.png 300w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Spec-768x701.png 768w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Spec-13x12.png 13w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Spec-24x22.png 24w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Spec-36x33.png 36w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Spec-38x35.png 38w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Spec.png 1286w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-60d83a1c elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"60d83a1c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-373cd5c3\" data-id=\"373cd5c3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-219815c3 elementor-widget elementor-widget-heading\" data-id=\"219815c3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">DIMENSION <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5722bac1 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"5722bac1\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1cde0938\" data-id=\"1cde0938\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6b736924 elementor-widget elementor-widget-image\" data-id=\"6b736924\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"http:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2021\/05\/AUTOMATIC-TRANSFER-SWITCH3.png\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"627\" src=\"https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/ATSC-Dimension-1024x627.png\" class=\"attachment-large size-large wp-image-15837\" alt=\"ATSC Dimension\" srcset=\"https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/ATSC-Dimension-1024x627.png 1024w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/ATSC-Dimension-300x184.png 300w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/ATSC-Dimension-768x470.png 768w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/ATSC-Dimension-1536x940.png 1536w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/ATSC-Dimension-18x12.png 18w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/ATSC-Dimension-24x15.png 24w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/ATSC-Dimension-36x22.png 36w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/ATSC-Dimension-57x35.png 57w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/ATSC-Dimension.png 1924w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-10477f1d elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"10477f1d\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3688048c\" data-id=\"3688048c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-57b38d4 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"57b38d4\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-95ea485\" data-id=\"95ea485\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fabb647 elementor-widget elementor-widget-heading\" data-id=\"fabb647\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">BLOCK DIAGRAM <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4295a56 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"4295a56\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c76dc64\" data-id=\"c76dc64\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-494dba7 elementor-widget elementor-widget-image\" data-id=\"494dba7\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"310\" src=\"https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Block-Diagram-1024x310.png\" class=\"attachment-large size-large wp-image-17293\" alt=\"ATSC_Block Diagram\" srcset=\"https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Block-Diagram-1024x310.png 1024w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Block-Diagram-300x91.png 300w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Block-Diagram-768x232.png 768w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Block-Diagram-1536x465.png 1536w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Block-Diagram-18x5.png 18w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Block-Diagram-24x7.png 24w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Block-Diagram-36x11.png 36w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Block-Diagram-116x35.png 116w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Block-Diagram.png 1936w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4ffbf0a elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"4ffbf0a\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-96ba248\" data-id=\"96ba248\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6a85267 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"6a85267\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-80ce491\" data-id=\"80ce491\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7215514 elementor-widget elementor-widget-heading\" data-id=\"7215514\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">CONNECTION DIAGRAM<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-803849a elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"803849a\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7f3683b\" data-id=\"7f3683b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6bcb372 elementor-widget elementor-widget-image\" data-id=\"6bcb372\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"http:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2021\/05\/AUTOMATIC-TRANSFER-SWITCH3.png\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"521\" src=\"https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/ATSC-Connection-Diagram-1024x521.png\" class=\"attachment-large size-large wp-image-15838\" alt=\"ATSC Connection Diagram\" srcset=\"https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/ATSC-Connection-Diagram-1024x521.png 1024w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/ATSC-Connection-Diagram-300x153.png 300w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/ATSC-Connection-Diagram-768x391.png 768w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/ATSC-Connection-Diagram-1536x781.png 1536w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/ATSC-Connection-Diagram-18x9.png 18w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/ATSC-Connection-Diagram-24x12.png 24w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/ATSC-Connection-Diagram-36x18.png 36w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/ATSC-Connection-Diagram-69x35.png 69w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/10\/ATSC-Connection-Diagram.png 1962w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-280c1837 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"280c1837\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4d3110ab\" data-id=\"4d3110ab\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9857f8d elementor-widget elementor-widget-spacer\" data-id=\"9857f8d\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\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-347e89d9 elementor-widget elementor-widget-heading\" data-id=\"347e89d9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">PRODUCT CODING <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66d8dffe elementor-widget elementor-widget-image\" data-id=\"66d8dffe\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"230\" src=\"https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Code-1024x230.png\" class=\"attachment-large size-large wp-image-17292\" alt=\"ATSC_Code\" srcset=\"https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Code-1024x230.png 1024w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Code-300x67.png 300w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Code-768x173.png 768w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Code-1536x346.png 1536w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Code-18x4.png 18w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Code-24x5.png 24w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Code-36x8.png 36w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Code-150x35.png 150w, https:\/\/www.espowercorp.com\/wp-content\/uploads\/2026\/02\/ATSC_Code.png 1956w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4f212f0 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"4f212f0\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-83017f3\" data-id=\"83017f3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-577ba4c elementor-widget elementor-widget-spacer\" data-id=\"577ba4c\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3a16e73 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"3a16e73\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-805adad\" data-id=\"805adad\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0f0daa6 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"0f0daa6\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xs\" href=\"https:\/\/drive.google.com\/file\/d\/1rLY0MGCEsDGbtmOYDEospi5XqatFHeCe\/view?usp=sharing\" target=\"_blank\" download=\"\" id=\"BTN_ESPOWER\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">\u0e14\u0e32\u0e27\u0e19\u0e4c\u0e42\u0e2b\u0e25\u0e14\u0e23\u0e32\u0e22\u0e25\u0e30\u0e40\u0e2d\u0e35\u0e22\u0e14\u0e2a\u0e34\u0e19\u0e04\u0e49\u0e32<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-684b461\" data-id=\"684b461\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-4c7b0bf\" data-id=\"4c7b0bf\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-65f352f elementor-align-center elementor-widget elementor-widget-button\" data-id=\"65f352f\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xs\" href=\"https:\/\/drive.google.com\/file\/d\/1YZQWwgEkDKlGLXdCT6BVgnudpl39kxhn\/view?usp=sharing\" target=\"_blank\" download=\"\" id=\"BTN_ESPOWER\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">\u0e14\u0e32\u0e27\u0e19\u0e4c\u0e42\u0e2b\u0e25\u0e14\u0e04\u0e39\u0e48\u0e21\u0e37\u0e2d\u0e01\u0e32\u0e23\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-56de904 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"56de904\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7e04207\" data-id=\"7e04207\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e3827b9 elementor-widget elementor-widget-spacer\" data-id=\"e3827b9\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>SD-BD-04-03\/Rev.10\/27-02-69 AUTOMATIC TRANSFER SWITCH CONTROLLER DESCRIPTION The Automatic Transfer Switch Controller (ATSC) controls two power sources or one main source and one generator source. It monitors voltage, frequency, and phase conditions to ensure safe transfer operation. Utility-to-Utility Utility-to-Generator Generator-to-Generator FEATURES Over\/Under voltage monitoring Over\/Under voltage cutoff point set Over\/Under voltage recovery point set Phase sequence [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>AUTOMATIC TRANSFER SWITCH CONTROLLER - ESPOWER<\/title>\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.espowercorp.com\/en\/automatic-transfer-switch-controller\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"AUTOMATIC TRANSFER SWITCH CONTROLLER - ESPOWER\" \/>\n<meta property=\"og:description\" content=\"SD-BD-04-03\/Rev.10\/27-02-69 AUTOMATIC TRANSFER SWITCH CONTROLLER DESCRIPTION The Automatic Transfer Switch Controller (ATSC) controls two power sources or one main source and one generator source. 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