{"id":233784,"date":"2015-07-23T22:00:00","date_gmt":"2015-07-23T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/alimentation-frontale-ac-dc-de-3-kw-pour-applications-poe\/"},"modified":"2015-07-23T22:00:00","modified_gmt":"2015-07-23T22:00:00","slug":"alimentation-frontale-ac-dc-de-3-kw-pour-applications-poe","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/alimentation-frontale-ac-dc-de-3-kw-pour-applications-poe\/","title":{"rendered":"Alimentation frontale AC-DC de 3 kW pour applications PoE"},"content":{"rendered":"<p>Les principales caract&eacute;ristiques de ce mod&egrave;le comprennent une redondance N+1 et une capacit&eacute; de d&rsquo;insertion &agrave; chaud (hot swap) &agrave; l&rsquo;aveugle mise en &oelig;uvre gr&acirc;ce &agrave; un connecteur unique qui int&egrave;gre l&rsquo;ensemble des signaux AC, DC et d&rsquo;entr&eacute;e-sortie. Cette alimentation d&eacute;livre une densit&eacute; de puissance de 33,48 W par pouce cube et est cr&eacute;dit&eacute; d&rsquo;une efficacit&eacute; Platinum de 94% &agrave; 50% de charge dans un bo&icirc;tier compact au standard 1U ne mesurant que 40,64 x 101,6 x 355,6 mm.<br \/>\nSa principale sortie de 54 VDC fournit jusqu&rsquo;&agrave; 55,5 A avec un partage de courant r&eacute;gul&eacute; pour la mise en parall&egrave;le de plusieurs unit&eacute;s. La sortie est flottante et assure une tension d&rsquo;isolation de 1500 VRMS sp&eacute;cifiquement pour les applications de PoE. Pour sa surveillance et son contr&ocirc;le, le module communique avec le syst&egrave;me via le protocole I2C\/PMBus.<br \/>\nPour une souplesse maximale, la s&eacute;rie est propos&eacute;e en configuration d&rsquo;&eacute;coulement d&rsquo;air front-to-back ou back-to-front en fonction des besoins de refroidissement de l&rsquo;application. De plus, des modes de veille avec des tensions de sortie de 3,3 VDC ou de 5 VDC sont propos&eacute;s.<br \/>\nCette s&eacute;rie b&eacute;n&eacute;ficie &eacute;galement des homologations de s&eacute;curit&eacute; 60950-1, supporte le marquage CE Mark et est compatible avec toutes les sp&eacute;cifications internationales pour la CEM afin de s&rsquo;adapter aux applications partout dans le monde. Des protections contre les surtensions, les surintensit&eacute;s, les surchauffes et une sous-tension d&rsquo;entr&eacute;e sont fournies en standard.<br \/>\nEn option, une &eacute;tag&egrave;re de puissance au format 1U 19 pouces peut accueillir jusqu&rsquo;&agrave; 4 sources d&rsquo;alimentation pour un fonctionnement en parall&egrave;le de 12 kW, un fonctionnement redondant N+1 de 9 KW ou un fonctionnement dual &agrave; deux canaux de sortie &quot;A&quot; et &laquo;B&raquo;. Les blocs de sortie DC terminaux peuvent &ecirc;tre configur&eacute;s pour fonctionner en simple ou double polarit&eacute;.<br \/>\nDes mod&egrave;les avec une sortie r&eacute;glable par l&rsquo;utilisateur entre 20 V et 54 V sont &eacute;galement r&eacute;alisables sur simple demande. <\/p>\n<\/p>\n<p><a title=\"www.cui.com\/pse-3000-54-series\" target=\"_blank\" href=\"http:\/\/www.cui.com\/product\/power\/ac-dc-power-supplies\/front-end\/pse-3000-54-series\" rel=\"noopener\">www.cui.com\/pse-3000-54-series<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La s\u00e9rie d&rsquo;alimentations frontales AC-DC de 3000 W de CUI s\u2019\u00e9tend avec l&rsquo;adjonction du PSE-3000-54 ciblant les applications Power over Ethernet (PoE). L&rsquo;alimentation est pr\u00e9-configur\u00e9e pour fournir 54 VDC mais cette sortie est ajustable en usine pour des valeurs de tension de 42 V \u00e0 55 V. Ainsi, elle peut aussi convenir \u00e0 un vaste \u00e9ventail d&rsquo;applications de t\u00e9l\u00e9communications et de r\u00e9seau.<\/p>\n","protected":false},"author":22,"featured_media":233785,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1149],"class_list":["post-233784","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Alimentation frontale AC-DC de 3 kW pour applications PoE ...<\/title>\n<meta name=\"description\" content=\"La s\u00e9rie d&#039;alimentations frontales AC-DC de 3000 W de CUI s\u2019\u00e9tend avec l&#039;adjonction du PSE-3000-54 ciblant les applications Power over Ethernet (PoE)....\" \/>\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.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/233784\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Alimentation frontale AC-DC de 3 kW pour applications PoE\" \/>\n<meta property=\"og:description\" content=\"La s\u00e9rie d&#039;alimentations frontales AC-DC de 3000 W de CUI s\u2019\u00e9tend avec l&#039;adjonction du PSE-3000-54 ciblant les applications Power over Ethernet (PoE). L&#039;alimentation est pr\u00e9-configur\u00e9e pour fournir 54 VDC mais cette sortie est ajustable en usine pour des valeurs de tension de 42 V \u00e0 55 V. Ainsi, elle peut aussi convenir \u00e0 un vaste \u00e9ventail d&#039;applications de t\u00e9l\u00e9communications et de r\u00e9seau.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/233784\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2015-07-23T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci7335_cui_cui055_pse-3000-54_r.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2500\" \/>\n\t<meta property=\"og:image:height\" content=\"1858\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"eeNews Europe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"eeNews Europe\" \/>\n\t<meta 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