{"id":2569,"date":"2026-08-25T05:28:20","date_gmt":"2026-08-25T05:28:20","guid":{"rendered":"https:\/\/www.upspower-supply.com\/?post_type=product&#038;p=2569"},"modified":"2026-08-25T05:38:37","modified_gmt":"2026-08-25T05:38:37","slug":"3kva-online-ups-without-battery","status":"publish","type":"product","link":"https:\/\/www.upspower-supply.com\/uk\/product\/3kva-online-ups-without-battery\/","title":{"rendered":"3 \u043a\u0412\u0410 \u043e\u043d\u043b\u0430\u0439\u043d-\u0414\u0411\u0416 \u0431\u0435\u0437 \u0430\u043a\u0443\u043c\u0443\u043b\u044f\u0442\u043e\u0440\u0430"},"content":{"rendered":"<p class=\"mt-4 leading-relaxed text-slate-600\">\nIt ships <strong class=\"text-slate-800\">without an internal battery<\/strong>: the unit connects to an external 96VDC battery bank that you size to match your required backup time. This makes the HD3KS a natural fit for system integrators and project buyers who design their own DC banks, prefer local battery sourcing, or need a specific runtime that standard built-in configurations cannot deliver.\n<\/p>\n<ul class=\"mt-6 space-y-3\">\n<li class=\"flex items-start gap-3\">\n            <span class=\"mt-1 grid h-5 w-5 shrink-0 place-items-center rounded-full bg-emerald-50 text-emerald-600\"><svg class=\"h-3.5 w-3.5\" fill=\"none\" viewbox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2.5\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M5 13l4 4L19 7\"><\/path><\/svg><br \/>\n            <\/span><span class=\"text-sm leading-relaxed text-slate-600\"><strong class=\"text-slate-800\">Zero transfer time<\/strong> \u2014 online double conversion means no switchover gap during a mains failure.<\/span>\n          <\/li>\n<li class=\"flex items-start gap-3\">\n            <span class=\"mt-1 grid h-5 w-5 shrink-0 place-items-center rounded-full bg-emerald-50 text-emerald-600\"><svg class=\"h-3.5 w-3.5\" fill=\"none\" viewbox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2.5\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M5 13l4 4L19 7\"><\/path><\/svg><br \/>\n            <\/span><span class=\"text-sm leading-relaxed text-slate-600\"><strong class=\"text-slate-800\">Ultra-wide input range<\/strong> \u2014 operates from 90\u2013300VAC and 40\u201370Hz, dramatically reducing battery discharge in unstable grids.<\/span>\n          <\/li>\n<li class=\"flex items-start gap-3\">\n            <span class=\"mt-1 grid h-5 w-5 shrink-0 place-items-center rounded-full bg-emerald-50 text-emerald-600\"><svg class=\"h-3.5 w-3.5\" fill=\"none\" viewbox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2.5\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M5 13l4 4L19 7\"><\/path><\/svg><br \/>\n            <\/span><span class=\"text-sm leading-relaxed text-slate-600\"><strong class=\"text-slate-800\">Flexible runtime<\/strong> \u2014 the external battery bank is specified by you, for your backup-time target, not limited by a built-in pack.<\/span>\n          <\/li>\n<li class=\"flex items-start gap-3\">\n            <span class=\"mt-1 grid h-5 w-5 shrink-0 place-items-center rounded-full bg-emerald-50 text-emerald-600\"><svg class=\"h-3.5 w-3.5\" fill=\"none\" viewbox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2.5\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M5 13l4 4L19 7\"><\/path><\/svg><br \/>\n            <\/span><span class=\"text-sm leading-relaxed text-slate-600\"><strong class=\"text-slate-800\">Lower cost of entry<\/strong> \u2014 pay only for the UPS; source batteries locally or through us, whichever serves your project better.<\/span>\n          <\/li>\n<\/ul>\n<section id=\"specs\" class=\"mx-auto max-w-5xl px-5 py-20 md:py-24\">\n<div class=\"max-w-2xl\">\n<h2 class=\"mt-3 font-display text-3xl font-bold tracking-tight text-slate-900 md:text-4xl\">\n        Model HD3KS parameters<br \/>\n      <\/h2>\n<\/p><\/div>\n<div class=\"mt-12 overflow-hidden rounded-2xl border border-slate-200 bg-white shadow-sm\">\n<table class=\"w-full text-left text-sm\">\n<tbody class=\"divide-y divide-slate-100\">\n<tr class=\"bg-slate-50\">\n<th colspan=\"2\" class=\"px-6 py-3.5 font-display text-sm font-semibold uppercase tracking-wide text-slate-700\">\u0417\u0430\u0433\u0430\u043b\u044c\u043d\u0435<\/th>\n<\/tr>\n<tr>\n<td class=\"w-1\/3 px-6 py-3.5 font-medium text-slate-500\">\u041c\u043e\u0434\u0435\u043b\u044c<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">HC3KS<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">Capacity (VA \/ W)<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">3 \u043a\u0412\u0410 \/ 2,7 \u043a\u0412\u0442<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">\u0422\u043e\u043f\u043e\u043b\u043e\u0433\u0456\u044f<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">Single phase in \/ single phase out<\/td>\n<\/tr>\n<tr class=\"bg-slate-50\">\n<th colspan=\"2\" class=\"px-6 py-3.5 font-display text-sm font-semibold uppercase tracking-wide text-slate-700\">Mains input<\/th>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">Wiring<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">L \/ N + PE<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">\u041d\u043e\u043c\u0456\u043d\u0430\u043b\u044c\u043d\u0430 \u043d\u0430\u043f\u0440\u0443\u0433\u0430<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">208 \/ 220 \/ 230 \/ 240 \u0412 \u0437\u043c\u0456\u043d\u043d\u043e\u0433\u043e \u0441\u0442\u0440\u0443\u043c\u0443<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">\u0414\u0456\u0430\u043f\u0430\u0437\u043e\u043d \u043d\u0430\u043f\u0440\u0443\u0433\u0438<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">90 \u2013 300 VAC<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">\u0414\u0456\u0430\u043f\u0430\u0437\u043e\u043d \u0447\u0430\u0441\u0442\u043e\u0442<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">40 \u2013 70 Hz<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">\u041a\u043e\u0435\u0444\u0456\u0446\u0456\u0454\u043d\u0442 \u0432\u0445\u0456\u0434\u043d\u043e\u0457 \u043f\u043e\u0442\u0443\u0436\u043d\u043e\u0441\u0442\u0456<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">\u2265 0,99<\/td>\n<\/tr>\n<tr class=\"bg-slate-50\">\n<th colspan=\"2\" class=\"px-6 py-3.5 font-display text-sm font-semibold uppercase tracking-wide text-slate-700\">AC output<\/th>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">Wiring<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">L \/ N + PE<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">\u0412\u0438\u0445\u0456\u0434\u043d\u0430 \u043d\u0430\u043f\u0440\u0443\u0433\u0430<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">208 \/ 220 \/ 230 \/ 240 \u0412 \u0437\u043c\u0456\u043d\u043d\u043e\u0433\u043e \u0441\u0442\u0440\u0443\u043c\u0443<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">\u0420\u0435\u0433\u0443\u043b\u044e\u0432\u0430\u043d\u043d\u044f \u043d\u0430\u043f\u0440\u0443\u0433\u0438<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">\u00b1 1%<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">\u0412\u0438\u0445\u0456\u0434\u043d\u0430 \u0447\u0430\u0441\u0442\u043e\u0442\u0430<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">50\/60 \u00b1 4Hz (sync mode) \u00b7 50\/60Hz \u00b1 0.1% (free run)<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">\u0424\u043e\u0440\u043c\u0430 \u0445\u0432\u0438\u043b\u0456<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">\u0427\u0438\u0441\u0442\u0430 \u0441\u0438\u043d\u0443\u0441\u043e\u0457\u0434\u0430<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">THDV distortion<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">&lt; 2% (linear load) \u00b7 &lt; 7% (non-linear load)<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">Overload capability<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">1 min @ 105\u2013125% \u00b7 30 s @ 125\u2013150% \u00b7 0.5 s @ &gt;150%<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">Efficiency \u2014 AC\/AC<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">90%<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">Efficiency \u2014 DC\/AC<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">88%<\/td>\n<\/tr>\n<tr class=\"bg-slate-50\">\n<th colspan=\"2\" class=\"px-6 py-3.5 font-display text-sm font-semibold uppercase tracking-wide text-slate-700\">Battery &amp; charging<\/th>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">Rated battery voltage<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">96 VDC \u2014 external<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">\u0404\u043c\u043d\u0456\u0441\u0442\u044c \u0430\u043a\u0443\u043c\u0443\u043b\u044f\u0442\u043e\u0440\u0430<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">External \u2014 sized to your runtime requirement<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">\u0417\u0430\u0440\u044f\u0434\u043d\u0438\u0439 \u0441\u0442\u0440\u0443\u043c<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">1A (standard) \u00b7 4A (long backup model)<\/td>\n<\/tr>\n<tr class=\"bg-slate-50\">\n<th colspan=\"2\" class=\"px-6 py-3.5 font-display text-sm font-semibold uppercase tracking-wide text-slate-700\">Physical &amp; HMI<\/th>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">Dimension (W\u00d7D\u00d7H)<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">190 \u00d7 318 \u00d7 368 mm<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">\u0412\u0430\u0433\u0430<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">7.7 kg<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">\u0414\u0438\u0441\u043f\u043b\u0435\u0439<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">LCD \u2014 input voltage, frequency, load level, operation mode, health status<\/td>\n<\/tr>\n<tr class=\"bg-slate-50\">\n<th colspan=\"2\" class=\"px-6 py-3.5 font-display text-sm font-semibold uppercase tracking-wide text-slate-700\">\u0417\u0432&#039;\u044f\u0437\u043e\u043a<\/th>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">\u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u0438\u0439<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">RS232 port<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">Optional cards<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">SNMP (app \/ web \/ PC, server &amp; NAS shutdown) \u00b7 Modbus \u00b7 USB \u00b7 Relay<\/td>\n<\/tr>\n<tr class=\"bg-slate-50\">\n<th colspan=\"2\" class=\"px-6 py-3.5 font-display text-sm font-semibold uppercase tracking-wide text-slate-700\">\u041d\u0430\u0432\u043a\u043e\u043b\u0438\u0448\u043d\u0454 \u0441\u0435\u0440\u0435\u0434\u043e\u0432\u0438\u0449\u0435<\/th>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">Operating temperature<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">-10 to 50 \u2103<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">\u0412\u0456\u0434\u043d\u043e\u0441\u043d\u0430 \u0432\u043e\u043b\u043e\u0433\u0456\u0441\u0442\u044c<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">0 \u2013 98% (non-condensing)<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3.5 font-medium text-slate-500\">Acoustic noise<\/td>\n<td class=\"px-6 py-3.5 font-medium text-slate-800\">&lt; 55 dB @ 1m<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<div class=\"overflow-hidden rounded-2xl border border-slate-200 bg-white shadow-xl\">\n<table class=\"w-full text-left text-sm\">\n<tbody class=\"divide-y divide-slate-100\">\n<tr>\n<td class=\"px-6 py-3 font-medium text-slate-500\">\u041c\u043e\u0434\u0435\u043b\u044c<\/td>\n<td class=\"px-6 py-3 text-right font-display font-semibold text-slate-900\">HD3KS<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3 font-medium text-slate-500\">\u041c\u0456\u0441\u0442\u043a\u0456\u0441\u0442\u044c<\/td>\n<td class=\"px-6 py-3 text-right font-display font-semibold text-slate-900\">3 \u043a\u0412\u0410 \/ 2,7 \u043a\u0412\u0442<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3 font-medium text-slate-500\">\u0422\u043e\u043f\u043e\u043b\u043e\u0433\u0456\u044f<\/td>\n<td class=\"px-6 py-3 text-right font-display font-semibold text-slate-900\">Single phase in \/ out<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3 font-medium text-slate-500\">Dimension<\/td>\n<td class=\"px-6 py-3 text-right font-display font-semibold text-slate-900\">190 \u00d7 318 \u00d7 368 mm<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3 font-medium text-slate-500\">\u0412\u0430\u0433\u0430<\/td>\n<td class=\"px-6 py-3 text-right font-display font-semibold text-slate-900\">7.7 kg<\/td>\n<\/tr>\n<tr>\n<td class=\"px-6 py-3 font-medium text-slate-500\">Battery &amp; charger<\/td>\n<td class=\"px-6 py-3 text-right font-semibold text-blue-600\">External 96VDC \u00b7 not included<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>A true double-conversion online UPS that delivers pure, regulated sine wave power to your critical equipment \u2014 shipped without internal battery, so you size the external 96VDC battery bank to your exact runtime requirement. Built for projects that demand flexibility, not compromise.<\/p>","protected":false},"featured_media":2570,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[26],"product_tag":[34,20,49],"class_list":["post-2569","product","type-product","status-publish","has-post-thumbnail","product_cat-online-ups","product_tag-3kva-online-ups","product_tag-3kva-ups","product_tag-single-phase-ups","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>3KVA Online UPS Without Battery - 3kva UPS Supplier<\/title>\n<meta name=\"description\" content=\"True double-conversion 3KVA\/2.7KW tower online UPS, battery not included. 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