{"id":14715,"date":"2025-04-29T12:49:26","date_gmt":"2025-04-29T12:49:26","guid":{"rendered":"https:\/\/gridenergy.ma\/?page_id=14715"},"modified":"2025-04-29T12:50:52","modified_gmt":"2025-04-29T12:50:52","slug":"product-sel-487b","status":"publish","type":"page","link":"https:\/\/gridenergy.ma\/en\/product-sel-487b\/","title":{"rendered":"SEL-487B"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"14715\" class=\"elementor elementor-14715\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0d8d88c page-title-section elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0d8d88c\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;stretch_section&quot;:&quot;section-stretched&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-extended\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f0e7536\" data-id=\"f0e7536\" data-element_type=\"column\" data-e-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-fe62040 mb-0 elementor-widget elementor-widget-text-editor\" data-id=\"fe62040\" data-element_type=\"widget\" data-e-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<h1 class=\"mb-lg-0\">SEL-487B<\/h1>\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-8fd4710 mb-0 elementor-widget elementor-widget-text-editor\" data-id=\"8fd4710\" data-element_type=\"widget\" data-e-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><a href=\"https:\/\/gridenergy.ma\/en\/?page_id=9746\">Home<\/a><\/li><li>SEL<\/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<div class=\"elementor-element elementor-element-ebe2e4e e-flex e-con-boxed e-con e-parent\" data-id=\"ebe2e4e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-327ce8d e-con-full e-flex e-con e-child\" data-id=\"327ce8d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d77603f elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"d77603f\" data-element_type=\"widget\" data-e-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 fetchpriority=\"high\" decoding=\"async\" width=\"760\" height=\"544\" src=\"https:\/\/gridenergy.ma\/wp-content\/uploads\/2025\/04\/487B.png.jpeg\" class=\"attachment-large size-large wp-image-14717\" alt=\"\" srcset=\"https:\/\/gridenergy.ma\/wp-content\/uploads\/2025\/04\/487B.png.jpeg 760w, https:\/\/gridenergy.ma\/wp-content\/uploads\/2025\/04\/487B.png-300x215.jpeg 300w\" sizes=\"(max-width: 760px) 100vw, 760px\" \/>\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>\n\t\t<div class=\"elementor-element elementor-element-5733829 e-con-full e-flex e-con e-child\" data-id=\"5733829\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-aad65be elementor-widget elementor-widget-heading\" data-id=\"aad65be\" data-element_type=\"widget\" data-e-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\">SEL-487B<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2e9eb53 elementor-widget elementor-widget-text-editor\" data-id=\"2e9eb53\" data-element_type=\"widget\" data-e-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 style=\"font-weight: 400;\">Bar differential and circuit-breaker failure relays.<\/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-b950aaa elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"b950aaa\" data-element_type=\"widget\" data-e-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-sm\" href=\"https:\/\/gridenergy.ma\/en\/contact\/\">\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\">CONTACT US<\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a25297b e-flex e-con-boxed e-con e-parent\" data-id=\"a25297b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1ac3023 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"1ac3023\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-020f8d6 e-flex e-con-boxed e-con e-parent\" data-id=\"020f8d6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-1c6a61b e-con-full e-flex e-con e-child\" data-id=\"1c6a61b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1ac4cdc elementor-widget elementor-widget-text-editor\" data-id=\"1ac4cdc\" data-element_type=\"widget\" data-e-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 style=\"font-weight: 400;\">The SEL-487B provides optimized low-impedance bus differential fault detection using high-speed sub-cycle protection combined with high-security operation for externally generated faults. Superior protection performance is combined with integrated power plant automation features for seamless transition to new and upgrade applications.<\/p><p style=\"font-weight: 400;\">Transform the way you modernize your substation with optional Time Domain Link (TiDL) technology or Sampled Value (SV)-based technology using IEC 61850-9-2.<\/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-79a8683 elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"79a8683\" data-element_type=\"widget\" data-e-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-sm\" href=\"https:\/\/gridenergy.ma\/en\/contact\/\">\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\">REQUEST A QUOTE<\/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<\/div>\n\t\t<div class=\"elementor-element elementor-element-9debea2 e-con-full e-flex e-con e-child\" data-id=\"9debea2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f528a17 elementor-widget elementor-widget-image\" data-id=\"f528a17\" data-element_type=\"widget\" data-e-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=\"900\" height=\"703\" src=\"https:\/\/gridenergy.ma\/wp-content\/uploads\/2025\/04\/487B_Front.png-1024x800.jpeg\" class=\"attachment-large size-large wp-image-14718\" alt=\"\" srcset=\"https:\/\/gridenergy.ma\/wp-content\/uploads\/2025\/04\/487B_Front.png-1024x800.jpeg 1024w, https:\/\/gridenergy.ma\/wp-content\/uploads\/2025\/04\/487B_Front.png-300x234.jpeg 300w, https:\/\/gridenergy.ma\/wp-content\/uploads\/2025\/04\/487B_Front.png-768x600.jpeg 768w, https:\/\/gridenergy.ma\/wp-content\/uploads\/2025\/04\/487B_Front.png.jpeg 1440w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/>\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>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>SEL-487B Accueil SEL SEL-487B Relais de diff\u00e9rentiel de barre et de d\u00e9faillance de disjoncteur CONTACTEZ-NOUS Le SEL-487B assure une d\u00e9tection de d\u00e9faut diff\u00e9rentiel de barre \u00e0 faible imp\u00e9dance et optimis\u00e9e \u00e0 l&#8217;aide d&#8217;une protection en moins d&#8217;un cycle \u00e0 grande vitesse associ\u00e9e \u00e0 un fonctionnement de haute s\u00e9curit\u00e9 pour les d\u00e9fauts d&#8217;origine externe. Des performances [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/home.php","meta":{"footnotes":""},"class_list":["post-14715","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SEL-487B - Grid Energy Company<\/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:\/\/gridenergy.ma\/en\/product-sel-487b\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SEL-487B - Grid Energy Company\" \/>\n<meta property=\"og:description\" content=\"SEL-487B Accueil SEL SEL-487B Relais de diff\u00e9rentiel de barre et de d\u00e9faillance de disjoncteur CONTACTEZ-NOUS Le SEL-487B assure une d\u00e9tection de d\u00e9faut diff\u00e9rentiel de barre \u00e0 faible imp\u00e9dance et optimis\u00e9e \u00e0 l&#8217;aide d&#8217;une protection en moins d&#8217;un cycle \u00e0 grande vitesse associ\u00e9e \u00e0 un fonctionnement de haute s\u00e9curit\u00e9 pour les d\u00e9fauts d&#8217;origine externe. 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