{"id":91,"date":"2011-03-31T17:34:40","date_gmt":"2011-04-01T00:34:40","guid":{"rendered":"https:\/\/brainfiller.com\/staging\/?p=91"},"modified":"2025-11-19T09:03:02","modified_gmt":"2025-11-19T16:03:02","slug":"coordination-and-nec-240-87","status":"publish","type":"post","link":"https:\/\/brainfiller.com\/es\/brainfiller-library\/coordination-and-nec-240-87\/","title":{"rendered":"Coordinaci\u00f3n y NEC 240.87"},"content":{"rendered":"<p>La norma NEC 240.87 ha abordado una situaci\u00f3n potencialmente peligrosa a partir de la edici\u00f3n de 2011. Cuando la coordinaci\u00f3n selectiva es cr\u00edtica, por ejemplo, para minimizar la extensi\u00f3n de una interrupci\u00f3n del suministro el\u00e9ctrico, una pr\u00e1ctica de dise\u00f1o com\u00fan es utilizar un disyuntor principal sin una funci\u00f3n de disparo instant\u00e1neo y disyuntores de alimentaci\u00f3n con una. Sin una funci\u00f3n de disparo instant\u00e1neo, el disyuntor principal puede demorarse hasta 30 ciclos o 0,5 segundos, lo que aumenta considerablemente el riesgo de arco el\u00e9ctrico. \u00a0<!--more--><strong>Descargar: \u00a0<span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/brainfiller.com\/wp-content\/uploads\/2012\/10\/EC-2011-01-Article-240.pdf\">Art\u00edculo 240.87 del C\u00f3digo Nacional de Electricidad<\/a><\/span><\/strong><\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>NEC 240.87 has addressed a\u00a0potentially hazardous situation\u00a0beginning with the 2011 edition. When selective coordination is critical, e.g., minimizing the extent of an outage, a common design practice is to use [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":46440,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_theme","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"footnotes":"","_tec_slr_enabled":"","_tec_slr_layout":""},"categories":[9,7,35],"tags":[10,48,18,47],"class_list":["post-91","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-arc-flash-electrical-safety","category-brainfiller-library","category-electrical-power-systems-brainfiller-library","tag-arc-flash-hazard","tag-arc-flash-studies","tag-nec","tag-nfpa-70e"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>NEC 240.87<\/title>\n<meta name=\"description\" content=\"NEC 240.87 is to improve electrical safety when a circuit breaker has no instantaneous tripping function which can increase the arc flash hazard.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/brainfiller.com\/es\/brainfiller-library\/coordination-and-nec-240-87\/\" \/>\n<meta property=\"og:locale\" content=\"es_MX\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NEC 240.87\" \/>\n<meta property=\"og:description\" content=\"NEC 240.87 is to improve electrical safety when a circuit breaker has no instantaneous tripping function which can increase the arc flash hazard.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/brainfiller.com\/es\/brainfiller-library\/coordination-and-nec-240-87\/\" \/>\n<meta property=\"og:site_name\" content=\"Arc Flash &amp; 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