{"id":74709,"date":"2026-05-25T12:13:17","date_gmt":"2026-05-25T10:13:17","guid":{"rendered":"https:\/\/circutor.com\/?p=74709"},"modified":"2026-05-25T12:13:17","modified_gmt":"2026-05-25T10:13:17","slug":"rgu-110b-levolucio-de-la-selectivitat-de-tipus-per-assegurar-la-continuitat-de-servei","status":"publish","type":"post","link":"https:\/\/circutor.com\/ca\/articles\/rgu-110b-levolucio-de-la-selectivitat-de-tipus-per-assegurar-la-continuitat-de-servei\/","title":{"rendered":"RGU-110B: l\u2019evoluci\u00f3 de la selectivitat de tipus per assegurar la continu\u00eftat de servei"},"content":{"rendered":"<p>[vc_row][vc_column][vc_column_text css=&#8221;.vc_custom_1779701298906{margin-top: 20px !important;margin-bottom: 20px !important;}&#8221;]<strong>La continu\u00eftat de servei i la seguretat depenen en gran mesura de la correcta coordinaci\u00f3 entre dispositius de protecci\u00f3. La selectivitat de tipus garanteix que, davant una sobretensi\u00f3 o un curtcircuit, actu\u00ef \u00fanicament el dispositiu m\u00e9s proper al defecte, minimitzant l\u2019impacte sobre la resta de la instal\u00b7laci\u00f3. \u00c9s un concepte clau en entorns industrials i terciaris en qu\u00e8 la disponibilitat energ\u00e8tica \u00e9s cr\u00edtica.<\/strong><\/p>\n<p>En una cadena de dispositius de protecci\u00f3, els equips situats aig\u00fces avall han d\u2019actuar abans que els situats aig\u00fces amunt. En la selectivitat de tipus, aquesta jerarquia no dep\u00e8n \u00fanicament d\u2019ajustos param\u00e8trics, sin\u00f3 tamb\u00e9 de la interacci\u00f3 f\u00edsica entre dispositius dissenyats per treballar conjuntament.[\/vc_column_text][vc_video link=&#8221;https:\/\/www.youtube.com\/watch?v=41gst1Ij1bw&#8221;][\/vc_column][\/vc_row][vc_row css=&#8221;.vc_custom_1778844246858{margin-top: 20px !important;margin-bottom: 20px !important;padding-top: 20px !important;padding-right: 20px !important;padding-bottom: 20px !important;padding-left: 20px !important;background-color: #e40040 !important;border-radius: 15px !important;}&#8221;][vc_column][vc_column_text css=&#8221;.vc_custom_1779701436477{margin-top: 20px !important;margin-bottom: 20px !important;}&#8221;]<\/p>\n<h2><span style=\"color: #ffffff;\">Difer\u00e8ncies amb altres tipus de selectivitat<\/span><\/h2>\n<ul style=\"color: #ffffff;\">\n<li><strong>Selectivitat amperim\u00e8trica<\/strong>: es basa exclusivament en la difer\u00e8ncia de calibres nominals.<\/li>\n<li><strong>Selectivitat cronol\u00f2gica<\/strong>: introdueix retards intencionats en els dispositius aig\u00fces amunt per permetre l\u2019actuaci\u00f3 del dispositiu inferior. Requereix una coordinaci\u00f3 temporal precisa.<\/li>\n<li><strong>Selectivitat de tipus<\/strong>: es fonamenta en la compatibilitat certificada entre dispositius concrets, m\u00e9s enll\u00e0 dels ajustos purament el\u00e8ctrics, i ofereix m\u00e9s robustesa davant fallades d\u2019alta energia.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row content_placement=&#8221;middle&#8221;][vc_column][vc_column_text css=&#8221;.vc_custom_1779701475681{margin-top: 20px !important;}&#8221;]<\/p>\n<h2>Superant les limitacions del mercat fins als 4000 A<\/h2>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row content_placement=&#8221;middle&#8221;][vc_column width=&#8221;2\/3&#8243;][vc_column_text css=&#8221;.vc_custom_1779701778292{margin-bottom: 20px !important;}&#8221;]Fins ara, les instal\u00b7lacions no podien seguir una coordinaci\u00f3 de tipus adequada: tot i que s\u2019instal\u00b7lava <a href=\"https:\/\/circutor.com\/ca\/productes\/proteccio-i-control\/proteccio-diferencial\/proteccio-diferencial-de-tipus-b\/\" target=\"_blank\" rel=\"noopener\">protecci\u00f3 tipus B<\/a> per als variadors de la instal\u00b7laci\u00f3, als quadres generals de m\u00e9s de 1000 A no existien <a href=\"https:\/\/circutor.com\/ca\/productes\/proteccio-i-control\/proteccio-diferencial\/proteccio-diferencial-de-tipus-b\/\" target=\"_blank\" rel=\"noopener\">solucions tipus B<\/a> capaces de cobrir aquest nivell de corrent, i s\u2019acabaven instal\u00b7lant <a href=\"https:\/\/circutor.com\/ca\/productes\/proteccio-i-control\/proteccio-diferencial\/proteccio-diferencial-de-tipus-a\/\" target=\"_blank\" rel=\"noopener\">proteccions diferencials tipus A<\/a>, les \u00faniques disponibles al mercat.<\/p>\n<p>Gr\u00e0cies al nou <a href=\"https:\/\/circutor.com\/ca\/productes\/proteccio-i-control\/proteccio-diferencial\/proteccio-diferencial-de-tipus-b\/serie\/rgu-100b\/\" target=\"_blank\" rel=\"noopener\"><strong>RGU-110B<\/strong><\/a> i als <strong><a href=\"https:\/\/circutor.com\/ca\/productes\/proteccio-i-control\/proteccio-diferencial\/proteccio-diferencial-de-tipus-b\/serie\/wb\/\" target=\"_blank\" rel=\"noopener\">transformadors WB<\/a><\/strong>, ara s\u00ed que es pot coordinar correctament la instal\u00b7laci\u00f3. Aix\u00f2 permet disposar d\u2019una instal\u00b7laci\u00f3 m\u00e9s segura i maximitzar la continu\u00eftat de servei, evitant les costoses actuacions intempestives.<\/p>\n<p>La <a href=\"https:\/\/circutor.com\/ca\/productes\/proteccio-i-control\/proteccio-diferencial\/proteccio-diferencial-de-tipus-b\/serie\/rgu-100b\/\" target=\"_blank\" rel=\"noopener\"><strong>s\u00e8rie RGU-110B<\/strong><\/a> disposa de transformadors per protegir c\u00e0rregues de fins a <strong>4000 A<\/strong>, fet que permet una correcta coordinaci\u00f3 de tipus en subquadres o quadres generals, aix\u00ed com la protecci\u00f3 de grans c\u00e0rregues com ara variadors de velocitat.[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/3&#8243;][vc_single_image image=&#8221;74585&#8243; img_size=&#8221;large&#8221; css=&#8221;.vc_custom_1778843558000{padding-right: 20px !important;padding-left: 20px !important;}&#8221;][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text css=&#8221;.vc_custom_1779701926837{margin-top: 20px !important;margin-bottom: 20px !important;}&#8221;]<\/p>\n<h2>Protecci\u00f3 avan\u00e7ada per a entorns industrials cr\u00edtics<\/h2>\n<p>L\u2019<a href=\"https:\/\/circutor.com\/ca\/productes\/proteccio-i-control\/proteccio-diferencial\/proteccio-diferencial-de-tipus-b\/serie\/rgu-100b\/\" target=\"_blank\" rel=\"noopener\"><strong>RGU-110B<\/strong><\/a> \u00e9s un rel\u00e9 electr\u00f2nic de <a href=\"https:\/\/circutor.com\/ca\/productes\/proteccio-i-control\/proteccio-diferencial\/proteccio-diferencial-de-tipus-b\/\" target=\"_blank\" rel=\"noopener\">protecci\u00f3 diferencial tipus B<\/a> dissenyat per detectar i gestionar corrents de fuita en instal\u00b7lacions el\u00e8ctriques modernes. Aquest equip \u00e9s capa\u00e7 de detectar corrents de fuita no nom\u00e9s en corrent altern, sin\u00f3 tamb\u00e9 en corrent continu i senyals mixtos, fet que el fa especialment adequat per a entorns on interv\u00e9 electr\u00f2nica de pot\u00e8ncia.<\/p>\n<p>Juntament amb els <a href=\"https:\/\/circutor.com\/ca\/productes\/proteccio-i-control\/proteccio-diferencial\/proteccio-diferencial-de-tipus-b\/serie\/wb\/\" target=\"_blank\" rel=\"noopener\">transformadors WB<\/a>, protegeix i monitoritza totes aquelles instal\u00b7lacions el\u00e8ctriques on, pel tipus de c\u00e0rrega, la legislaci\u00f3 vigent o els requisits del fabricant, \u00e9s necessari instal\u00b7lar protecci\u00f3 diferencial tipus B. La seva funci\u00f3 principal \u00e9s supervisar cont\u00ednuament l\u2019estat d\u2019a\u00efllament de la instal\u00b7laci\u00f3 i activar un senyal d\u2019actuaci\u00f3 quan se supera el llindar configurat, contribuint aix\u00ed a protegir tant les persones com els equips.[\/vc_column_text][\/vc_column][\/vc_row][vc_row content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1778843888054{margin-bottom: 20px !important;background-color: #f3f4f5 !important;border-radius: 15px !important;}&#8221;][vc_column width=&#8221;1\/4&#8243;][vc_single_image image=&#8221;74607&#8243; img_size=&#8221;large&#8221; css=&#8221;.vc_custom_1778843663090{padding-right: 20px !important;padding-left: 20px !important;}&#8221;][\/vc_column][vc_column width=&#8221;3\/4&#8243;][vc_column_text css=&#8221;.vc_custom_1779702021449{margin-top: 20px !important;margin-bottom: 20px !important;padding-top: 20px !important;padding-right: 20px !important;padding-bottom: 20px !important;padding-left: 20px !important;}&#8221;]<\/p>\n<h2>Manteniment preventiu i control total<\/h2>\n<p>L\u2019<a href=\"https:\/\/circutor.com\/ca\/productes\/proteccio-i-control\/proteccio-diferencial\/proteccio-diferencial-de-tipus-b\/serie\/rgu-100b\/\" target=\"_blank\" rel=\"noopener\"><strong>RGU-110B<\/strong><\/a> est\u00e0 dissenyat per oferir tranquil\u00b7litat al responsable de manteniment:<\/p>\n<ul>\n<li><strong>Prealarma i anticipaci\u00f3<\/strong>: disposa de prealarma mitjan\u00e7ant display i rel\u00e9. Abans d\u2019arribar al llindar d\u2019actuaci\u00f3, permet dur a terme tasques de manteniment preventiu i anticipar-se a una aturada de la instal\u00b7laci\u00f3.<\/li>\n<li><strong>Diagn\u00f2stic i registre<\/strong>: ofereix un registre d\u2019esdeveniments que facilita la resoluci\u00f3 d\u2019avaries mitjan\u00e7ant l\u2019an\u00e0lisi t\u00e8cnica.<\/li>\n<li><strong>Identificaci\u00f3 visual r\u00e0pida<\/strong>: el display s\u2019il\u00b7lumina en vermell quan la protecci\u00f3 actua, facilitant la identificaci\u00f3 de la l\u00ednia afectada pel defecte.<\/li>\n<li><strong>Modes de treball<\/strong>: a trav\u00e9s del display, la retroil\u00b7luminaci\u00f3 en diversos colors mostra en tot moment el mode de funcionament de l\u2019equip.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row css=&#8221;.vc_custom_1778844888891{margin-top: 20px !important;padding-top: 20px !important;padding-right: 20px !important;padding-bottom: 20px !important;padding-left: 20px !important;background-color: #e5e6e8 !important;border-radius: 15px !important;}&#8221;][vc_column][vc_raw_html]JTNDaDElMjBzdHlsZSUzRCUyMmNvbG9yJTNBJTIzZTQwMDQwJTIyJTNFJTNDaSUyMGNsYXNzJTNEJTIyaWNvLXF1ZXN0aW9uLXJvdW5kJTIyJTNFJTNDJTJGaSUzRSUzQyUyRmgxJTNF[\/vc_raw_html][vc_column_text css=&#8221;.vc_custom_1779703945208{margin-top: 20px !important;margin-bottom: 20px !important;}&#8221;]<\/p>\n<h2>Preguntes freq\u00fcents (FAQ)<\/h2>\n<ol>\n<li><strong>Qu\u00e8 \u00e9s la selectivitat de tipus i per qu\u00e8 \u00e9s vital per a la meva planta?<br \/>\n<\/strong>La <strong>selectivitat de tipus<\/strong> garanteix que, davant un defecte, nom\u00e9s actu\u00ef el dispositiu de protecci\u00f3 m\u00e9s proper a la fallada. A difer\u00e8ncia de la selectivitat amperim\u00e8trica o cronol\u00f2gica, aquesta es basa en la compatibilitat f\u00edsica certificada entre equips, fet que evita que un problema en una l\u00ednia secund\u00e0ria provoqui l\u2019actuaci\u00f3 de la protecci\u00f3 general i aturi tota la producci\u00f3.<\/li>\n<li><strong>Puc protegir c\u00e0rregues d\u2019alta pot\u00e8ncia amb l\u2019RGU-110B?<\/strong><br \/>\nS\u00ed. L\u2019<a href=\"https:\/\/circutor.com\/ca\/productes\/proteccio-i-control\/proteccio-diferencial\/proteccio-diferencial-de-tipus-b\/serie\/rgu-100b\/\" target=\"_blank\" rel=\"noopener\"><strong>RGU-110B<\/strong><\/a>, en combinaci\u00f3 amb els <a href=\"https:\/\/circutor.com\/ca\/productes\/proteccio-i-control\/proteccio-diferencial\/proteccio-diferencial-de-tipus-b\/serie\/wb\/\" target=\"_blank\" rel=\"noopener\"><strong>transformadors de la s\u00e8rie WB<\/strong><\/a>, permet protegir i monitoritzar instal\u00b7lacions amb corrents de fins a <strong>4000 A<\/strong>. Aix\u00f2 resol la mancan\u00e7a hist\u00f2rica del mercat, en qu\u00e8 fins ara no existien <a href=\"https:\/\/circutor.com\/ca\/productes\/proteccio-i-control\/proteccio-diferencial\/proteccio-diferencial-de-tipus-b\/\" target=\"_blank\" rel=\"noopener\">proteccions tipus B<\/a> per a quadres generals de gran pot\u00e8ncia, fet que obligava a utilitzar <a href=\"https:\/\/circutor.com\/ca\/productes\/proteccio-i-control\/proteccio-diferencial\/proteccio-diferencial-de-tipus-a\/\" target=\"_blank\" rel=\"noopener\">proteccions tipus A<\/a> menys adequades.<\/li>\n<li><strong>Com ajuda aquest equip al manteniment preventiu?<\/strong><br \/>\nL\u2019equip disposa d\u2019un sistema de <strong>prealarma<\/strong> configurable mitjan\u00e7ant display i rel\u00e9. Aix\u00f2 permet que el responsable de manteniment rebi un av\u00eds abans que s\u2019arribi al llindar d\u2019actuaci\u00f3, amb marge per actuar i evitar una aturada no programada de la maquin\u00e0ria.<\/li>\n<li><strong>Quin tipus de fuites \u00e9s capa\u00e7 de detectar?<\/strong><br \/>\nCom que \u00e9s un rel\u00e9 de <strong>classe B<\/strong>, est\u00e0 dissenyat per gestionar instal\u00b7lacions modernes amb electr\u00f2nica de pot\u00e8ncia, com ara variadors de velocitat. Detecta fuites en corrent altern (AC), corrent continu (DC) i senyals mixtos, complint les normatives m\u00e9s exigents en mat\u00e8ria de seguretat i qualitat d\u2019energia.<\/li>\n<li><strong>\u00c9s dif\u00edcil identificar quina l\u00ednia ha fallat en un entorn industrial complex?<\/strong><br \/>\nNo. L\u2019<a href=\"https:\/\/circutor.com\/ca\/productes\/proteccio-i-control\/proteccio-diferencial\/proteccio-diferencial-de-tipus-b\/serie\/rgu-100b\/\" target=\"_blank\" rel=\"noopener\">RGU-110B<\/a> facilita una identificaci\u00f3 r\u00e0pida mitjan\u00e7ant el seu <strong>display retroil\u00b7luminat<\/strong>. Quan la protecci\u00f3 actua, la pantalla canvia autom\u00e0ticament a <strong>color vermell<\/strong>, fet que permet localitzar visualment a l\u2019instant la l\u00ednia amb el defecte i reduir el temps mitj\u00e0 de reparaci\u00f3 (MTTR).<\/li>\n<li><strong>Es pot integrar amb el meu sistema SCADA actual?<\/strong><br \/>\nTotalment. Els dispositius de Circutor estan dissenyats per ser compatibles amb sistemes de gesti\u00f3 industrial com <strong>SCADA, BMS o OPC<\/strong> mitjan\u00e7ant connectivitat Modbus\/TCP\/IP. Aix\u00f2 permet tenir una visibilitat total dels consums i esdeveniments en temps real des del centre de control.<\/li>\n<\/ol>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text css=&#8221;.vc_custom_1779701298906{margin-top: 20px !important;margin-bottom: 20px !important;}&#8221;]La continu\u00eftat de servei i la seguretat depenen en gran mesura de la correcta coordinaci\u00f3 entre dispositius de protecci\u00f3. La selectivitat de tipus garanteix que, davant una sobretensi\u00f3 o un curtcircuit, actu\u00ef \u00fanicament el dispositiu m\u00e9s proper al defecte, minimitzant l\u2019impacte sobre la resta de la instal\u00b7laci\u00f3. \u00c9s un concepte [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":74598,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3710],"tags":[3720,3724,3730],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>RGU-110B: l\u2019evoluci\u00f3 de la selectivitat de tipus per assegurar la continu\u00eftat de servei - CIRCUTOR<\/title>\n<meta name=\"description\" content=\"RGU-110B: l\u2019evoluci\u00f3 de la selectivitat de tipus per assegurar la continu\u00eftat de servei\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/circutor.com\/ca\/articles\/rgu-110b-levolucio-de-la-selectivitat-de-tipus-per-assegurar-la-continuitat-de-servei\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"RGU-110B: l\u2019evoluci\u00f3 de la selectivitat de tipus per assegurar la continu\u00eftat de servei - 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