{"id":16739,"date":"2026-09-10T14:56:58","date_gmt":"2026-09-10T06:56:58","guid":{"rendered":"https:\/\/www.wehopower.com\/?post_type=news&#038;p=16739"},"modified":"2026-09-16T15:14:00","modified_gmt":"2026-09-16T07:14:00","slug":"understanding-power-supply-efficiency-ratings-80-plus-and-beyond","status":"publish","type":"news","link":"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/","title":{"rendered":"Comprensione delle valutazioni di efficienza dell 'alimentatore (80 Plus e oltre)"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Sommario<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Attiva\/disattiva Sommario\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Attiva\/disattiva<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#Introduction\" >Introduzione<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#What_Is_Power_Supply_Efficiency\" >Qual \u00e8 l'efficienza di alimentazione?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#What_Is_80_PLUS_Certification\" >Che cos'\u00e8 la certificazione 80 Plus?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#80_PLUS_Efficiency_Levels_Explained\" >80 livelli di efficienza PLUS spiegati<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#80_PLUS_Bronze\" >80 + bronzo<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#80_PLUS_Silver\" >80 pi\u00f9 argento<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#80_PLUS_Gold\" >80 pi\u00f9 oro<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#80_PLUS_Platinum\" >80 milioni di platino<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#80_PLUS_Titanium\" >80 + titanio<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#How_Does_Efficiency_Rating_Affect_Real-World_Performance\" >In che modo la valutazione dell 'efficienza influisce sulle prestazioni del mondo reale?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#Impact_on_Electricity_Costs\" >Impatto sui costi dell 'elettricit\u00e0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#Impact_on_Heat_Generation\" >Effetti sulla generazione di calore<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#Impact_on_Power_Supply_Lifespan\" >Impatto sulla durata della fornitura di energia elettrica<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#Beyond_80_PLUS_Other_Power_Supply_Efficiency_Factors\" >Oltre 80 PLUS: altri fattori di efficienza dell 'alimentatore<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#Energy_Star_Certification\" >Certificazione Energy Star<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#80_PLUS_vs_Real_Operating_Efficiency\" >80 PLUS vs Efficienza operativa reale<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#Power_Factor_Correction\" >Correzione del fattore di potenza<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#How_to_Choose_the_Right_Efficiency_Rating\" >Come scegliere il giusto indice di efficienza<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#Step_1_Determine_Application_Requirements\" >Step 1: Determinare i requisiti di applicazione<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#Step_2_Consider_Operating_Time\" >Step 2: Considera il tempo di funzionamento<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#Step_3_Balance_Cost_and_Energy_Savings\" >Fase 3: Bilanciare costi e risparmio energetico<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#Step_4_Check_Other_Power_Supply_Specifications\" >Passo 4: Controllare le altre specifiche di alimentazione<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#FAQs\" >Domande frequenti<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#What_does_80_PLUS_mean\" >Cosa significa 80 +?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#Is_80_PLUS_Gold_better_than_Bronze\" >80 PLUS Gold \u00e8 meglio di Bronze?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#What_is_the_most_efficient_power_supply_rating\" >Qual \u00e8 il rating di alimentazione pi\u00f9 efficiente?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#Does_a_higher_efficiency_PSU_reduce_electricity_bills\" >Un alimentatore ad alta efficienza riduce le bollette elettriche?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.wehopower.com\/it\/news\/understanding-power-supply-efficiency-ratings-80-plus-and-beyond\/#Conclusion\" >Conclusione<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>Introduzione<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ogni watt che la tua apparecchiatura consuma porta con s\u00e9 una tassa nascosta: l'energia che viene assorbita. <strong>Efficienza dell 'alimentazione elettrica<\/strong> La spec non riesce a fornire si presenta come calore invece di produzione utile. Per gli acquirenti industriali, <strong>Efficienza di alimentazione elettrica<\/strong> non \u00e8 una nota a pi\u00e8 di pagina, ma influisce direttamente sulla bolletta elettrica, sul carico di raffreddamento e sulla durata delle apparecchiature. Questa guida spiega come viene valutata l'efficienza, cosa significa il badge 80 PLUS e cosa gli acquirenti industriali dovrebbero effettivamente misurare. <a href=\"https:\/\/www.wehopower.com\/it\/product_category\/enclosed-switching-power-supply\/\" target=\"_blank\" rel=\"noopener\">Alimentatori chiusi ad alta efficienza<\/a> Per capire come si configurano le moderne unit\u00e0 industriali.<!-- replace src with WordPress Media Library URL after upload --><\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_Power_Supply_Efficiency\"><\/span>Qual \u00e8 l'efficienza di alimentazione?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>L'efficienza dell 'alimentatore \u00e8 semplicemente il rapporto tra la potenza utile in uscita e la potenza totale in ingresso, espressa in percentuale:<\/p>\n<p style=\"margin: 10px 0; padding: 12px 16px; background: #F7F7F7; border-left: 4px solid #DB261E; font-family: Consolas,Monaco,monospace;\">Efficienza (%)=(potenza in uscita \u00f7 potenza in ingresso) \u00d7 100<\/p>\n<p>Un alimentatore che eroga 500 W mentre disegna 556 W \u00e8 efficiente di circa 90%-i 56 W mancanti sono il calore all 'interno del cabinet. Industrial switching alimentatori tipicamente atterrano tra 85% e 95%, a seconda del carico, della topologia, del carico e del carico. Il divario tra 85% e 94% sembra piccolo sulla carta, ma diventa un grande costo ricorrente e carico termico a un certo punto della vita. Un dovere continuo.<\/p>\n<p>Poich\u00e9 l'efficienza \u00e8 valida solo sotto carico reale, WEHO convalida ogni unit\u00e0 con un carico reale. <strong>Test di burn-in ad alta temperatura a pieno carico 100%<\/strong> Questo test \u00e8 pi\u00f9 importante di un 'etichetta: conferma che l'efficienza nominale e il comportamento termico sono reali al punto di funzionamento effettivo, non un numero nel migliore dei casi.<\/p>\n<figure id=\"attachment_17051\" aria-describedby=\"caption-attachment-17051\" style=\"width: 1536px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.wehopower.com\/it\/products\/\" target=\"_blank\" rel=\"noopener\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-17051 size-full\" title=\"WEHO AD series access control power supply in a product inspection scene\" src=\"https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/08\/03-product-12.png?quality=85&strip=all\" alt=\"WEHO AD series access control power supply in a product inspection scene\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/08\/03-product-12.png?quality=85&strip=all 1536w, https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/08\/03-product-12-300x200.png?quality=85&strip=all 300w, https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/08\/03-product-12-1024x683.png?quality=85&strip=all 1024w, https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/08\/03-product-12-768x512.png?quality=85&strip=all 768w, https:\/\/i1.wp.com\/www.wehopower.com\/wp-content\/uploads\/2026\/08\/03-product-12-18x12.png?quality=85&strip=all 18w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/a><figcaption id=\"caption-attachment-17051\" class=\"wp-caption-text\">03 Prodotti 12<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_80_PLUS_Certification\"><\/span>Che cos'\u00e8 la certificazione 80 Plus?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>80 PLUS \u00e8 una certificazione volontaria per gli alimentatori per computer desktop e server. Per ottenere qualsiasi badge 80 PLUS, un alimentatore deve fornire almeno l'efficienza 80% a tre punti di carico-20%, 50% e 100% di uscita nominale-e soddisfare i requisiti di base del fattore di potenza e del segnale di potenza. Livelli pi\u00f9 alti aggiungono soglie pi\u00f9 severe e, per Platinum e Titanium, Testato in ingresso a 230 V.<\/p>\n<p>Vale la pena essere precisi: <strong>80 PLUS \u00e8 una certificazione PC-centrica<\/strong>, progettato per alimentatori di computer-non le forniture chiuse, DIN-rail, regolabili o LED driver utilizzate nelle fabbriche e negli armadi di controllo. WEHO non rivendica i suoi prodotti industriali sono \u201ccertificati 80 PLUS\u201d, perch\u00e9 tale certificazione non si applica a questa classe di apparecchiature.<\/p>\n<p>E allora perch\u00e9 menzionarlo? Perch\u00e9 80 PLUS \u00e8 il punto di riferimento che la maggior parte degli ingegneri di approvvigionamento riconosce. Ci offre un linguaggio condiviso per l'efficienza che traduciamo nei numeri che governano l'industria. <strong>Valutazioni di efficienza dell 'alimentazione elettrica<\/strong>: efficienza reale misurata nell 'intervallo di carico e correzione del fattore di potenza (PFC).<\/p>\n<h2><span class=\"ez-toc-section\" id=\"80_PLUS_Efficiency_Levels_Explained\"><\/span>80 livelli di efficienza PLUS spiegati<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Il programma definisce cinque livelli. Le figure seguenti sono valori di efficienza rappresentativi a 20%, 50% e 100%; Bronze attraverso l'oro sono citati a 115 V, mentre Platinum e Titanium aggiungono 230 V testing. Tratta questi solo come un riferimento di familiarit\u00e0-le forniture industriali non sono certificate 80 PLUS.<\/p>\n<table style=\"border-collapse: collapse; width: 100%; max-width: 680px; margin: 18px 0; font-size: 14px;\">\n<thead>\n<tr style=\"background: #DB261E; color: #ffffff;\">\n<th style=\"border: 1px solid #cccccc; padding: 8px 10px; text-align: left;\">80 punti in pi\u00f9<\/th>\n<th style=\"border: 1px solid #cccccc; padding: 8px 10px; text-align: left;\">20% Load<\/th>\n<th style=\"border: 1px solid #cccccc; padding: 8px 10px; text-align: left;\">50% Load<\/th>\n<th style=\"border: 1px solid #cccccc; padding: 8px 10px; text-align: left;\">100% Load<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">Bronze<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">82%<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">85%<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">82%<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">Silver<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">85%<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">88%<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">85%<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">Gold<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">87%<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">90%<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">87%<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">Platinum (230 V)<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">90%<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">92%<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">89%<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">Titanium (230 V)<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">90%<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">94%<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">96%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"80_PLUS_Bronze\"><\/span>80 + bronzo<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bronze is the entry tier, about 82% efficiency at 20% and 100% load, rising to 85% at 50%. For industrial duty it represents the low end of what modern switching designs achieve.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"80_PLUS_Silver\"><\/span>80 pi\u00f9 argento<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Silver tightens the curve to roughly 85% at the edges and 88% at 50% load. It is a stepping stone between Bronze and Gold, now less common as Gold-class efficiency has become mainstream.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"80_PLUS_Gold\"><\/span>80 pi\u00f9 oro<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Gold demands about 87% at the 20% and 100% points and 90% at 50% load. This tier mirrors what a well-designed industrial supply already delivers, making it a useful anchor when comparing <strong>PSU Efficiency<\/strong> across models.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"80_PLUS_Platinum\"><\/span>80 milioni di platino<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Platinum adds 230 V testing and pushes typical efficiency to 90\u201392%, with 89% even at full load \u2014 a reminder that efficiency improves at higher input voltage.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"80_PLUS_Titanium\"><\/span>80 + titanio<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Titanium is the top consumer tier, up to 94% at 50% load and 96% at 100% load on 230 V input. It illustrates the practical ceiling of commodity certification and what active PFC can deliver at the high end.<\/p>\n<p style=\"font-size: 12px; color: #666666; margin: 6px 0 18px;\">Representative values for illustration; exact thresholds vary by input voltage and certifying lab. Industrial supplies are not 80 PLUS certified \u2014 use these tiers only as a familiarity reference.<\/p>\n<p><strong>80 PLUS Efficiency &amp; Savings<\/strong><\/p>\n<table style=\"border-collapse: collapse; width: 100%; max-width: 680px; margin: 8px 0 4px; font-size: 14px;\">\n<thead>\n<tr style=\"background: #DB261E; color: #ffffff;\">\n<th style=\"border: 1px solid #cccccc; padding: 8px 10px; text-align: left;\">Level<\/th>\n<th style=\"border: 1px solid #cccccc; padding: 8px 10px; text-align: left;\">Min. Efficiency<\/th>\n<th style=\"border: 1px solid #cccccc; padding: 8px 10px; text-align: left;\">Est. Annual Energy Cost*<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">Bronze<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">~85%<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">~$773<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">Silver<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">~88%<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">~$747<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">Gold<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">~90%<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">~$730<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">Platinum<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">~92%<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">~$714<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">Titanium<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">~94%<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 8px 10px;\">~$699<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"font-size: 12px; color: #666666; margin: 6px 0 0;\">*Illustrative figures assuming a continuous 500 W output, 8,760 hours\/year, and $0.15\/kWh. Actual savings depend on your load profile, duty cycle, and local electricity rates. A live savings calculator plugin is recommended so buyers can enter their own numbers.<\/p>\n<div style=\"border: 2px solid #DB261E; border-radius: 8px; padding: 20px 24px; margin: 28px 0; background: #FFF6F5;\">\n<p style=\"color: #db261e; margin: 0px 0px 8px; font-size: 20px; font-weight: bold; text-align: center;\">Specifying Efficiency for Your Next Build?<\/p>\n<p style=\"margin: 0px 0px 14px; color: #333333; text-align: center;\">WEHO&#8217;s enclosed and PFC-equipped supplies are validated at full load under high-temperature burn-in \u2014 so the efficiency number you quote is the efficiency you get. Send us your load profile and we will match a model.<\/p>\n<p style=\"margin: 0px; text-align: center;\"><a style=\"display: inline-block; background: #DB261E; color: #ffffff; padding: 11px 22px; border-radius: 5px; text-decoration: none; font-weight: bold;\" href=\"https:\/\/www.wehopower.com\/it\/contact\/\" target=\"_blank\" rel=\"noopener\">Request a Free Quote<\/a><\/p>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"How_Does_Efficiency_Rating_Affect_Real-World_Performance\"><\/span>In che modo la valutazione dell 'efficienza influisce sulle prestazioni del mondo reale?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Impact_on_Electricity_Costs\"><\/span>Impatto sui costi dell 'elettricit\u00e0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Efficiency losses are paid for twice: once as wasted electricity, and again as the energy to remove the resulting heat. At 500 W continuous, moving from 85% to 94% efficiency saves roughly $74 per unit per year \u2014 and across a fleet that compounds into a five-figure saving over the product&#8217;s life. When buyers compare headline <strong>PSU Efficiency<\/strong>, the real question is annual cost at their own duty cycle, not the badge on a box.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Impact_on_Heat_Generation\"><\/span>Effetti sulla generazione di calore<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The watts a supply fails to deliver become heat inside the enclosure. A less efficient unit forces larger heatsinks, noisier fans, and bigger cooling budgets \u2014 or quietly raises the ambient temperature around every other component. Higher efficiency directly lowers thermal stress on capacitors, semiconductors, and neighboring electronics.<!-- replace src with WordPress Media Library URL after upload --><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Impact_on_Power_Supply_Lifespan\"><\/span>Impatto sulla durata della fornitura di energia elettrica<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Electrolytic capacitor life roughly halves for every 10\u00b0C rise in core temperature. A cooler-running, higher-efficiency supply therefore tends to outlast a hotter one in the same cabinet. This is why WEHO subjects every unit to a 100% high-temperature full-load burn-in test: it screens out weak components before they reach your production line.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Beyond_80_PLUS_Other_Power_Supply_Efficiency_Factors\"><\/span>Oltre 80 PLUS: altri fattori di efficienza dell 'alimentatore<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Energy_Star_Certification\"><\/span>Certificazione Energy Star<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Outside the PC world, programs like ENERGY STAR and regional eco-labeling set their own efficiency expectations. They are useful minimum bars but rarely reflect the duty cycles, input-voltage ranges, and conditions of an industrial deployment, so treat them as a starting point. The same principle applies to our <a href=\"https:\/\/www.wehopower.com\/it\/product_category\/led-driver\/\" target=\"_blank\" rel=\"noopener\">efficient LED drivers<\/a>, engineered for high efficiency in lighting and display systems rather than to chase a consumer eco-label.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"80_PLUS_vs_Real_Operating_Efficiency\"><\/span>80 PLUS vs Efficienza operativa reale<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>80 PLUS is measured at fixed load points and a fixed input voltage. Your equipment rarely runs at a tidy 50% load on a stable 230 V line. Real efficiency depends on where on the curve your supply operates and on the input voltage your site provides. That is why WEHO designs wide-input supplies \u2014 such as our <a href=\"https:\/\/www.wehopower.com\/it\/product-category\/adjustable-high-power-smps\/\" target=\"_blank\" rel=\"noopener\">adjustable high-power SMPS<\/a> \u2014 that hold their efficiency across the range your application will see, not just at a certification point.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Power_Factor_Correction\"><\/span>Correzione del fattore di potenza<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Efficiency and power factor are different, and confusing them is a common buyer mistake. Efficiency is how much of the input power reaches your load. Power factor (PF) is how well the input current waveform matches the voltage \u2014 a low PF means you draw more current than the real power requires, stressing wiring, breakers, and the grid.<\/p>\n<p>Active power factor correction shapes the input current to near-unity PF (typically 0.95+), reducing reactive current and improving compatibility with generators, UPS systems, and long cable runs. For industrial installations this is as important as raw efficiency. Our <a href=\"https:\/\/www.wehopower.com\/it\/product_category\/enclosed-switching-power-supply\/sp-series-with-pfc-function-power-supply\/\" target=\"_blank\" rel=\"noopener\">SP series with PFC<\/a> provides active PFC for grid-friendly operation. When you evaluate a supply, ask for both the efficiency curve and the power-factor curve \u2014 together they tell you the true cost and compatibility of the unit.<\/p>\n<p><!-- replace src with WordPress Media Library URL after upload --><\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_to_Choose_the_Right_Efficiency_Rating\"><\/span>Come scegliere il giusto indice di efficienza<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Step_1_Determine_Application_Requirements\"><\/span>Step 1: Determinare i requisiti di applicazione<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Start with the load itself. Note the continuous wattage, any peak or inrush demands, and the environment \u2014 ambient temperature, enclosure size, and cooling all change how much efficiency margin you need. A supply sized with healthy headroom runs cooler and more efficiently than one pushed to its limit.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_2_Consider_Operating_Time\"><\/span>Step 2: Considera il tempo di funzionamento<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Efficiency savings scale directly with runtime. A 24\/7 application justifies a higher-efficiency unit far more than an intermittent one, because the wasted-watt tax is levied every hour. Estimate annual run hours honestly \u2014 payback on a more efficient supply is usually fastest in always-on systems.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_3_Balance_Cost_and_Energy_Savings\"><\/span>Fase 3: Bilanciare costi e risparmio energetico<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A more efficient supply often costs more upfront, so compare that premium against the lifetime energy saving from the table above. For multi-unit deployments the math usually favors the higher tier. Remember the second cost too: less heat means smaller fans, simpler cooling, and lower cabinet HVAC load.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_4_Check_Other_Power_Supply_Specifications\"><\/span>Passo 4: Controllare le altre specifiche di alimentazione<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Efficiency is one line on the datasheet, not the whole story. Verify the input-voltage range, protection features (OVP\/OCP\/OTP\/short-circuit), operating temperature, and \u2014 for grid or generator-fed sites \u2014 active PFC. Pair a strong efficiency number with a complete specification and you get a supply that performs in the field. With WEHO&#8217;s 1000+ models and OEM\/ODM support, a matched <a href=\"https:\/\/www.wehopower.com\/it\/product-category\/adjustable-high-power-smps\/\" target=\"_blank\" rel=\"noopener\">adjustable high-power SMPS<\/a> or enclosed supply can be selected for your exact requirement.<\/p>\n<div style=\"border: 2px solid #DB261E; border-radius: 8px; padding: 20px 24px; margin: 28px 0; background: #FFF6F5;\">\n<p style=\"color: #db261e; margin: 0px 0px 8px; font-size: 20px; font-weight: bold; text-align: center;\">Need Measured Efficiency and PFC Data?<\/p>\n<p style=\"margin: 0px 0px 14px; color: #333333; text-align: center;\">WEHO is an ISO9001-certified manufacturer with CE\/RoHS\/FCC\/CCC approvals and 1000+ standard models available for OEM\/ODM. Request the full efficiency and power-factor test data for the model you are considering.<\/p>\n<p style=\"margin: 0px; text-align: center;\"><a style=\"display: inline-block; background: #DB261E; color: #ffffff; padding: 11px 22px; border-radius: 5px; text-decoration: none; font-weight: bold;\" href=\"https:\/\/www.wehopower.com\/it\/contact\/\" target=\"_blank\" rel=\"noopener\">Request a Free Quote<\/a><\/p>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>Domande frequenti<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"What_does_80_PLUS_mean\"><\/span>Cosa significa 80 +?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>80 PLUS is a voluntary certification for computer (PC and server) power supplies. It confirms the supply reaches at least 80% efficiency at 20%, 50%, and 100% of rated load, with higher tiers \u2014 Bronze, Silver, Gold, Platinum, Titanium \u2014 requiring tighter thresholds. It is a PC benchmark, not an industrial certification, so use it as a familiarity reference rather than a spec for factory equipment.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Is_80_PLUS_Gold_better_than_Bronze\"><\/span>80 PLUS Gold \u00e8 meglio di Bronze?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Yes. Gold requires roughly 87\u201390% efficiency across the load range versus about 82\u201385% for Bronze, meaning less wasted energy, less heat, and lower operating cost. In the savings table above, a Gold-class 500 W supply costs about $43 less per year to run than a Bronze-class one. For industrial buyers the same principle applies: a higher efficiency percentage always reduces loss.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_is_the_most_efficient_power_supply_rating\"><\/span>Qual \u00e8 il rating di alimentazione pi\u00f9 efficiente?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Among consumer tiers, 80 PLUS Titanium is the highest, reaching up to about 94% at 50% load and 96% at full load on 230 V. In industrial practice, the most efficient rating is what your supply actually achieves across its real operating range and input voltage \u2014 which is why measured curves and active PFC matter more than the top badge.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Does_a_higher_efficiency_PSU_reduce_electricity_bills\"><\/span>Un alimentatore ad alta efficienza riduce le bollette elettriche?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Yes. A higher-efficiency PSU wastes fewer watts as heat, drawing less input power for the same output. At 500 W continuous and $0.15\/kWh, improving from 85% to 94% saves about $74 per unit per year. Across many units or years, that becomes a major total-cost-of-ownership factor, not just a green metric.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusione<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>80 PLUS is a useful on-ramp to efficiency, but industrial buyers should look past the badge. The numbers that matter are the <strong>measured efficiency across your real operating range<\/strong> and the <strong>power factor<\/strong> the supply achieves with active PFC. Pair those with a manufacturer that validates every unit at full load under high temperature \u2014 as WEHO does with its 100% burn-in test, ISO9001\/CE\/RoHS\/FCC\/CCC certifications, and 1000+ OEM\/ODM models \u2014 and you get a supply whose efficiency claim is proven, not promised. When you are ready, <a href=\"https:\/\/www.wehopower.com\/it\/contact\/\" target=\"_blank\" rel=\"noopener\">request a quote<\/a> and we will supply the test data behind the rating.<\/p>","protected":false},"excerpt":{"rendered":"<p>Explains power supply efficiency for industrial B2B buyers, using the familiar 80 PLUS PC benchmark as an entry point and translating it into industrial efficiency % and power factor correction (PFC). Does NOT claim WEHO holds 80 PLUS (it is a PC certification). Emphasizes measured efficiency, active PFC, and WEHO&#8217;s 100% high-temperature full-load burn-in test, ISO9001\/CE\/RoHS\/FCC\/CCC certifications, and 1000+ OEM\/ODM models.<\/p>","protected":false},"author":4,"featured_media":17784,"parent":0,"menu_order":102,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_joinchat":[],"footnotes":""},"news_category":[149,148],"class_list":["post-16739","news","type-news","status-publish","format-standard","has-post-thumbnail","hentry","news_category-blog","news_category-industry-news","entry"],"acf":[],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.wehopower.com\/it\/wp-json\/wp\/v2\/news\/16739","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wehopower.com\/it\/wp-json\/wp\/v2\/news"}],"about":[{"href":"https:\/\/www.wehopower.com\/it\/wp-json\/wp\/v2\/types\/news"}],"author":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/it\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/it\/wp-json\/wp\/v2\/comments?post=16739"}],"version-history":[{"count":4,"href":"https:\/\/www.wehopower.com\/it\/wp-json\/wp\/v2\/news\/16739\/revisions"}],"predecessor-version":[{"id":17785,"href":"https:\/\/www.wehopower.com\/it\/wp-json\/wp\/v2\/news\/16739\/revisions\/17785"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/it\/wp-json\/wp\/v2\/media\/17784"}],"wp:attachment":[{"href":"https:\/\/www.wehopower.com\/it\/wp-json\/wp\/v2\/media?parent=16739"}],"wp:term":[{"taxonomy":"news_category","embeddable":true,"href":"https:\/\/www.wehopower.com\/it\/wp-json\/wp\/v2\/news_category?post=16739"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}