{"id":2975,"date":"2026-08-02T15:24:43","date_gmt":"2026-08-02T15:24:43","guid":{"rendered":"https:\/\/btrytech.com\/en\/?post_type=product&#038;p=2975"},"modified":"2026-08-16T16:43:53","modified_gmt":"2026-08-16T08:43:53","slug":"daxin-3h3-400k-t-lf33-ups","status":"publish","type":"product","link":"https:\/\/btrytech.com\/vi\/product\/daxin-3h3-400k-t-lf33-ups\/","title":{"rendered":"B\u1ed9 l\u01b0u \u0111i\u1ec7n tr\u1ef1c tuy\u1ebfn t\u1ea7n s\u1ed1 th\u1ea5p 400 kVA | DAXIN 3H3 400K-T"},"content":{"rendered":"<h2>What Is the DAXIN 3H3 400K-T 400kVA Online UPS?<\/h2>\n<p>The DAXIN 3H3 400K-T is a 400kVA\/360kW low-frequency 3\/3 phase double-conversion online UPS designed for large industrial, data center, infrastructure and mission-critical power applications.<\/p>\n<p>Its three-phase input and three-phase output architecture supports facilities operating large three-phase critical loads. The reference configuration supports 380\/400\/415VAC operation, an input power factor greater than 0.99 and input current THDi below 3%.<\/p>\n<p>The UPS provides 400kVA apparent power and 360kW active power, with static output voltage stability of \u00b11%, dynamic voltage stability of \u00b15% within 10ms and a 3:1 crest factor.<\/p>\n<p>Battery technology, bypass configuration, communication interfaces and other project options should be confirmed according to the required backup time, site electrical system and approved DAXIN technical proposal.<\/p>\n<h2>Battery Configuration Options<\/h2>\n<p>The DAXIN 3H3 400K-T can be engineered with different energy-storage technologies according to project requirements.<\/p>\n<ul>\n<li>Valve-regulated sealed lead-acid batteries<\/li>\n<li>Nickel-cadmium batteries<\/li>\n<li>Supercapacitor systems<\/li>\n<li>Lithium battery systems<\/li>\n<li>Flywheel energy-storage systems<\/li>\n<\/ul>\n<p>The final battery technology, capacity and autonomy should be selected according to the connected load, required backup duration, operating environment, lifecycle requirements and project design.<\/p>\n<h2>Nh\u1eefng l\u1ee3i \u00edch ch\u00ednh<\/h2>\n<ul>\n<li><strong>400kVA \/ 360kW Capacity:<\/strong>\u00a0Designed for large three-phase mission-critical loads.<\/li>\n<li><strong>Double-Conversion Online Architecture:<\/strong>\u00a0Provides continuous conditioned power for critical electrical equipment.<\/li>\n<li><strong>3\/3 Phase Configuration:<\/strong>\u00a0Three-phase input and three-phase output support large industrial and infrastructure electrical systems.<\/li>\n<li><strong>Grid-Friendly Input Performance:<\/strong>\u00a0Input power factor greater than 0.99 and input current THDi below 3% help reduce upstream electrical impact.<\/li>\n<li><strong>Stable Output:<\/strong>\u00a0Static voltage stability of \u00b11% and dynamic voltage stability of \u00b15% within 10ms support sensitive critical loads.<\/li>\n<li><strong>Strong Overload Capability:<\/strong>\u00a0The reference specification supports 110% load for 60 minutes, 125% for 10 minutes and 150% for 1 minute.<\/li>\n<li><strong>Flexible Energy Storage:<\/strong>\u00a0Multiple battery and energy-storage technologies can be evaluated according to project requirements.<\/li>\n<li><strong>High-Efficiency Smart Mode:<\/strong>\u00a0Smart-mode efficiency is specified at up to 98.5%.<\/li>\n<\/ul>\n<h2>What Does 3\/3 Phase Mean in a UPS?<\/h2>\n<p>A 3\/3 phase UPS uses three-phase AC power at the input and supplies three-phase AC power at the output.<\/p>\n<p>This architecture is commonly used for high-capacity critical loads in data centers, industrial plants, power infrastructure, transportation systems and other facilities operating large three-phase electrical equipment.<\/p>\n<p>The DAXIN 3H3 400K-T provides a 400kVA\/360kW three-phase online UPS platform for these large critical-power applications.<\/p>\n<h2>What Should Be Considered When Selecting a 400kVA UPS?<\/h2>\n<p>A 400kVA UPS should be selected from the actual critical-load profile rather than nominal capacity alone. Review the connected load in both kW and kVA, power factor, peak demand, future expansion and required operating margin.<\/p>\n<p>For large projects, also evaluate battery autonomy, bypass architecture, upstream and downstream protection coordination, generator compatibility, communication requirements, installation space, ventilation, floor loading and maintenance access.<\/p>\n<p>The DAXIN 3H3 400K-T provides 400kVA apparent power and 360kW active power. DAXIN ENERGY can review the load list, single-line diagram and site conditions before final system configuration.<\/p>\n<h2>\nTh\u00f4ng tin v\u1ec1 s\u1ea3n ph\u1ea9m v\u00e0 t\u00e0i li\u1ec7u tham kh\u1ea3o k\u1ef9 thu\u1eadt<\/h2>\n<figure class=\"wp-block-image size-full\">\n<p><figure id=\"attachment_4929\" aria-describedby=\"caption-attachment-4929\" style=\"width: 970px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-4929\" src=\"https:\/\/btrytech.com\/wp-content\/uploads\/2026\/08\/3H3-400K-T-1.webp\" alt=\"DAXIN 3H3 400K-T 400kVA Online UPS Technical Specifications\" width=\"970\" height=\"1068\" srcset=\"https:\/\/btrytech.com\/wp-content\/uploads\/2026\/08\/3H3-400K-T-1.webp 970w, https:\/\/btrytech.com\/wp-content\/uploads\/2026\/08\/3H3-400K-T-1-272x300.webp 272w, https:\/\/btrytech.com\/wp-content\/uploads\/2026\/08\/3H3-400K-T-1-930x1024.webp 930w, https:\/\/btrytech.com\/wp-content\/uploads\/2026\/08\/3H3-400K-T-1-768x846.webp 768w, https:\/\/btrytech.com\/wp-content\/uploads\/2026\/08\/3H3-400K-T-1-11x12.webp 11w\" sizes=\"auto, (max-width: 970px) 100vw, 970px\" \/><figcaption id=\"caption-attachment-4929\" class=\"wp-caption-text\">Technical specifications for the DAXIN 3H3 400K-T 400kVA\/360kW three-phase online UPS.<\/figcaption><\/figure><figcaption>Enclosure and Connection Detail for DAXIN 3H3 400K-T Low-Frequency 3\/3 Phase UPS.<\/figcaption><\/figure>\n<h2>C\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/h2>\n<ul>\n<li>Large data centers and mission-critical IT facilities<\/li>\n<li>Industrial manufacturing and process-control facilities<\/li>\n<li>Power generation and utility infrastructure<\/li>\n<li>Telecom core facilities<\/li>\n<li>Hospitals and healthcare campuses<\/li>\n<li>Transportation, railway and tunnel infrastructure<\/li>\n<li>Commercial and public infrastructure<\/li>\n<li>Other high-capacity three-phase critical-power systems<\/li>\n<\/ul>\n<h2>L\u1ef1a ch\u1ecdn v\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch d\u1ef1 \u00e1n<\/h2>\n<p>Tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng, h\u00e3y \u0111\u1ed1i chi\u1ebfu k\u1ef9 l\u01b0\u1ee1ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c v\u1ec1 c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c, pha \u0111\u1ea7u v\u00e0o\/\u0111\u1ea7u ra, \u0111i\u1ec7n \u00e1p, t\u1ea7n s\u1ed1, h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t, \u0111i\u1ec7n \u00e1p \u1eafc-quy, th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng, ch\u1ebf \u0111\u1ed9 bypass, h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng, k\u00edch th\u01b0\u1edbc, gi\u1edbi h\u1ea1n m\u00f4i tr\u01b0\u1eddng v\u00e0 ph\u01b0\u01a1ng ph\u00e1p l\u1eafp \u0111\u1eb7t v\u1edbi m\u1eabu s\u1ea3n ph\u1ea9m \u0111\u00e3 ch\u1ecdn v\u00e0 b\u1ea3n v\u1ebd d\u1ef1 \u00e1n.<\/p>\n<h2>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p>S\u1ea3n ph\u1ea9m n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00f9y ch\u1ec9nh cho m\u1ed9t d\u1ef1 \u00e1n c\u1ee5 th\u1ec3 kh\u00f4ng?<\/p>\n<p>\u0110\u00fang v\u1eady. C\u00f3 th\u1ec3 r\u00e0 so\u00e1t c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 c\u1ea5u h\u00ecnh \u0111i\u1ec7n, th\u1eddi l\u01b0\u1ee3ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a pin, h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng, ch\u1ebf \u0111\u1ed9 bypass, c\u00e1ch b\u1ed1 tr\u00ed t\u1ee7 v\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n c\u1ee7a d\u1ef1 \u00e1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c y\u00eau c\u1ea7u t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n<p>T\u1ea5t c\u1ea3 c\u00e1c ch\u1ec9 s\u1ed1 k\u1ef9 thu\u1eadt c\u00f3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng chung cho to\u00e0n b\u1ed9 lo\u1ea1t phim kh\u00f4ng?<\/p>\n<p>Kh\u00f4ng. C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 ch\u1ee9c n\u0103ng c\u00f3 th\u1ec3 kh\u00e1c nhau t\u00f9y theo t\u1eebng m\u1eabu v\u00e0 c\u1ea5u h\u00ecnh. Vui l\u00f2ng tham kh\u1ea3o b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt d\u00e0nh ri\u00eang cho d\u1ef1 \u00e1n l\u00e0m t\u00e0i li\u1ec7u tham kh\u1ea3o ch\u00ednh th\u1ee9c.<\/p>\n<p>DAXIN ENERGY c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 vi\u1ec7c l\u1ef1a ch\u1ecdn h\u1ec7 th\u1ed1ng kh\u00f4ng?<\/p>\n<p>V\u00e2ng. Vui l\u00f2ng cung c\u1ea5p danh s\u00e1ch t\u1ea3i, pha v\u00e0 \u0111i\u1ec7n \u00e1p, th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng y\u00eau c\u1ea7u, m\u1ee5c ti\u00eau d\u1ef1 ph\u00f2ng, c\u00e1c y\u00eau c\u1ea7u v\u1ec1 truy\u1ec1n th\u00f4ng v\u00e0 m\u00f4i tr\u01b0\u1eddng l\u1eafp \u0111\u1eb7t.<\/p>\n<h3>Y\u00eau c\u1ea7u c\u1ea5u h\u00ecnh d\u1ef1 \u00e1n<\/h3>\n<p>Vui l\u00f2ng g\u1eedi d\u1eef li\u1ec7u t\u1ea3i, s\u01a1 \u0111\u1ed3 m\u1ea1ch \u0111\u01a1n, th\u1eddi gian d\u1ef1 ph\u00f2ng c\u1ea7n thi\u1ebft v\u00e0 \u0111i\u1ec1u ki\u1ec7n t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng \u0111\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t v\u1ec1 b\u1ed9 l\u01b0u \u0111i\u1ec7n (UPS) ho\u1eb7c \u1eafc-quy ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a qu\u00fd kh\u00e1ch.<\/p>\n<h3 class=\"PDq2pG_selectionAnchorContainer\" data-section-id=\"11uftra\" data-start=\"8909\" data-end=\"8964\">What is the rated capacity of the DAXIN 3H3 400K-T?<\/h3>\n<p data-start=\"8966\" data-end=\"9017\">The reference model is rated at 400kVA \/ 360kW.<\/p>\n<h3 data-section-id=\"1ngics\" data-start=\"9019\" data-end=\"9072\">Is the 3H3 400K-T a double-conversion online UPS?<\/h3>\n<p data-start=\"9074\" data-end=\"9176\">Yes. The supplied technical specification classifies the system as a double-conversion online UPS.<\/p>\n<h3 data-section-id=\"zp921o\" data-start=\"9178\" data-end=\"9228\">Thi\u1ebft b\u1ecb n\u00e0y h\u1ed7 tr\u1ee3 \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra l\u00e0 bao nhi\u00eau?<\/h3>\n<p data-start=\"9230\" data-end=\"9353\">The reference configuration specifies 380\/400\/415VAC three-phase input and 380\/400\/415VAC three-phase + neutral output.<\/p>\n<h3 data-section-id=\"14dm6cu\" data-start=\"9355\" data-end=\"9399\">What is the input power factor and THDi?<\/h3>\n<p data-start=\"9401\" data-end=\"9511\">The reference specification lists an input power factor greater than 0.99 and input current THDi below 3%.<\/p>\n<h3 data-section-id=\"38ux4i\" data-start=\"9513\" data-end=\"9555\">What battery technologies can be used?<\/h3>\n<p data-start=\"9557\" data-end=\"9704\">The specification lists sealed lead-acid, nickel-cadmium, supercapacitor, lithium and flywheel options. Final selection depends on the project.<\/p>\n<h3 data-section-id=\"ia6309\" data-start=\"9706\" data-end=\"9751\">What is the efficiency of the 3H3 400K-T?<\/h3>\n<p data-start=\"9753\" data-end=\"9893\">Smart-mode efficiency is specified at up to 98.5%. Actual operating efficiency depends on operating mode, load and system configuration.<\/p>","protected":false},"excerpt":{"rendered":"<p>The DAXIN 3H3 400K-T is a 400kVA\/360kW low-frequency 3\/3 phase double-conversion online UPS designed for large industrial, data center and infrastructure critical-power applications. It supports 380\/400\/415VAC three-phase operation, &gt;0.99 input power factor, &lt;3% input current THDi, configurable battery technologies and smart-mode efficiency up to 98.5%.<\/p>","protected":false},"featured_media":4931,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[622,46],"product_cat":[109,99,97],"product_tag":[],"class_list":["post-2975","product","type-product","status-publish","has-post-thumbnail","product_brand-daxin-energy","product_brand-szdxzh","product_cat-low-frequency-3-3-phase-ups","product_cat-low-frequency-ups","product_cat-ups-solutions","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/btrytech.com\/vi\/wp-json\/wp\/v2\/product\/2975","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/btrytech.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/btrytech.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/btrytech.com\/vi\/wp-json\/wp\/v2\/comments?post=2975"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/btrytech.com\/vi\/wp-json\/wp\/v2\/media\/4931"}],"wp:attachment":[{"href":"https:\/\/btrytech.com\/vi\/wp-json\/wp\/v2\/media?parent=2975"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/btrytech.com\/vi\/wp-json\/wp\/v2\/product_brand?post=2975"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/btrytech.com\/vi\/wp-json\/wp\/v2\/product_cat?post=2975"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/btrytech.com\/vi\/wp-json\/wp\/v2\/product_tag?post=2975"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}