{"id":2255,"date":"2026-07-11T16:26:11","date_gmt":"2026-07-11T08:26:11","guid":{"rendered":"https:\/\/btrytech.com\/?post_type=product&#038;p=2255"},"modified":"2026-08-12T20:07:47","modified_gmt":"2026-08-12T12:07:47","slug":"120kva-three-phase-online-ups-daxin-energy-ex3c3","status":"publish","type":"product","link":"https:\/\/btrytech.com\/en\/product\/120kva-three-phase-online-ups-daxin-energy-ex3c3\/","title":{"rendered":"120kVA Three-Phase Online UPS | DAXIN ENERGY EX3C3"},"content":{"rendered":"<p><!-- DAXIN-HF-SEO-GEO-04-START --><\/p>\n<section class=\"daxin-customer-selection-guide\">\n<h2>Is This UPS Right for Your Project?<\/h2>\n<p>The DAXIN EX3C3 120kVA is a three-phase online UPS for data centers, industrial facilities and critical infrastructure that require continuous double-conversion protection and remote monitoring.<\/p>\n<p>Its 0ms transfer architecture, high-efficiency operating modes and communications options support customers focused on availability, power quality and manageable operating cost.<\/p>\n<h2>Typical Applications<\/h2>\n<ul>\n<li>Medium and large data centers<\/li>\n<li>Industrial production and automation<\/li>\n<li>Healthcare and financial facilities<\/li>\n<li>Telecom and transport infrastructure<\/li>\n<\/ul>\n<h2>What to Confirm Before Ordering<\/h2>\n<ul>\n<li>Critical load profile and redundancy target<\/li>\n<li>Input\/output voltage and site short-circuit capacity<\/li>\n<li>Battery autonomy and charging design<\/li>\n<li>SNMP, RS-232\/485, bypass and maintenance plan<\/li>\n<\/ul>\n<h2>Frequently Asked Questions<\/h2>\n<h3>How should I choose the UPS capacity?<\/h3>\n<p>Start with the measured continuous load, startup or peak demand and expected expansion. DAXIN ENERGY can review the load list and recommend a practical operating margin.<\/p>\n<h3>How is battery runtime determined?<\/h3>\n<p>Runtime depends on load, battery voltage, battery capacity, battery age, temperature and inverter efficiency. Share the required backup duration and normal load for a project calculation.<\/p>\n<h3>Can this UPS work with a generator or remote monitoring system?<\/h3>\n<p>Generator and monitoring compatibility depends on the selected model and configuration. Confirm generator capacity, frequency stability and the required RS-232, RS-485, USB, Modbus or SNMP interface before ordering.<\/p>\n<h2>Request a Project Configuration<\/h2>\n<p>Send DAXIN ENERGY the load list, site voltage, required runtime, installation environment, communications and redundancy requirements. The final configuration is subject to the approved technical proposal.<\/p>\n<\/section>\n<p><!-- DAXIN-HF-SEO-GEO-04-END --><\/p>\n<p><!-- DAXIN-HF-VIDEO-04-START --><\/p>\n<section class=\"daxin-product-video\">\n<h2>Additional DAXIN High-Frequency UPS Product Video<\/h2>\n<p>Watch the product demonstration to review the UPS format, operating interface and application positioning. Final electrical configuration is subject to the approved technical proposal.<\/p>\n<div class=\"daxin-product-video-item\">\n<h3>EX 3C3 120K Online UPS System &#8211; Enterprise-Grade Power Protection for Critical Applications<\/h3>\n<figure class=\"wp-block-video\"><video src=\"https:\/\/btrytech.com\/wp-content\/uploads\/2026\/08\/daxin-high-frequency-ups-e2898754b3b9.mp4\" poster=\"https:\/\/btrytech.com\/wp-content\/uploads\/2026\/08\/daxin-sitewide-p2255-gallery-01.webp?wsr\" preload=\"metadata\" controls=\"controls\" width=\"300\" height=\"150\">Your browser does not support the video tag.<\/video><figcaption>EX 3C3 120K Online UPS System &#8211; Enterprise-Grade Power Protection for Critical Applications &#8211; DAXIN ENERGY.<\/figcaption><\/figure>\n<\/div>\n<\/section>\n<p><!-- DAXIN-HF-VIDEO-04-END --><\/p>\n<h2>EX3C3 120kVA Three-Phase Online UPS<\/h2>\n<p>The DAXIN ENERGY EX3C3 120kVA online UPS is designed for critical power backup applications that require stable, clean and continuous three-phase power. It uses a double-conversion online topology to protect sensitive equipment from grid fluctuation, voltage instability, frequency variation, noise interference and power interruption.<\/p>\n<h2>Key Features<\/h2>\n<h3>High-Reliability Double-Conversion Design<\/h3>\n<ul>\n<li>True online double-conversion topology provides stable sine wave output.<\/li>\n<li>Output frequency tracking, phase locking, voltage regulation and noise filtering help protect critical loads.<\/li>\n<li>Advanced modular dual-CPU control improves system reliability and operating stability.<\/li>\n<li>Wide AC input voltage range of 380VAC \u00b125% reduces unnecessary battery discharge in unstable power environments.<\/li>\n<li>DC start function allows the UPS to start directly from battery when utility power is unavailable.<\/li>\n<\/ul>\n<h3>High Efficiency and Low Grid Interference<\/h3>\n<ul>\n<li>Advanced PFC power factor correction technology keeps the input power factor close to 1.<\/li>\n<li>Input harmonic filters comply with international power quality requirements and reduce feedback pollution to the grid.<\/li>\n<li>Input and output harmonic filtering minimizes UPS interference with the utility power system.<\/li>\n<li>High-frequency filtering and synchronization technology improves generator compatibility.<\/li>\n<\/ul>\n<h3>Complete System Protection<\/h3>\n<ul>\n<li>Output overload protection.<\/li>\n<li>Output short-circuit protection.<\/li>\n<li>Inverter over-temperature protection.<\/li>\n<li>Battery low-voltage warning protection.<\/li>\n<li>Battery overcharge protection.<\/li>\n<li>Manual maintenance bypass switch supports easier service without interrupting load power.<\/li>\n<\/ul>\n<h3>Intelligent Monitoring and Management<\/h3>\n<ul>\n<li>LCD display shows UPS operating status, parameters and alarm information in real time.<\/li>\n<li>RS232 \/ RS485 communication interfaces support local monitoring.<\/li>\n<li>Optional SNMP network adapter enables remote UPS management.<\/li>\n<li>Compatible with intelligent UPS monitoring software for centralized power management.<\/li>\n<\/ul>\n<h3>Optional Intelligent Battery Monitoring<\/h3>\n<ul>\n<li>Supports single battery detection.<\/li>\n<li>Provides over-voltage, under-voltage and voltage difference alarm functions.<\/li>\n<li>Battery fault information can be displayed on the screen to notify administrators quickly.<\/li>\n<\/ul>\n<h3>Strong Environmental Adaptability<\/h3>\n<p>The circuit boards are installed in a fully enclosed structure and treated with conformal coating, making the UPS more suitable for harsh environments such as tunnels, plazas, industrial sites and outdoor supporting facilities.<\/p>\n<h2>Typical Applications<\/h2>\n<ul>\n<li>Data centers and server rooms<\/li>\n<li>Telecom base stations and communication equipment rooms<\/li>\n<li>Industrial automation systems<\/li>\n<li>Hospitals and medical equipment<\/li>\n<li>Commercial buildings and office parks<\/li>\n<li>Transportation, tunnel and infrastructure projects<\/li>\n<li>Emergency backup power systems<\/li>\n<\/ul>\n<h2>Technical Specifications<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Model<\/th>\n<td>EX3C3-120kVA<\/td>\n<\/tr>\n<tr>\n<th>Capacity<\/th>\n<td>120kVA \/ 120kW<\/td>\n<\/tr>\n<tr>\n<th>Topology<\/th>\n<td>Online double-conversion UPS<\/td>\n<\/tr>\n<tr>\n<th>Input Phase<\/th>\n<td>Three-phase + neutral<\/td>\n<\/tr>\n<tr>\n<th>Input Voltage Range<\/th>\n<td>110VAC (Ph-N) \u00b13% at 50% load; 176VAC (Ph-N) \u00b13% at 100% load<\/td>\n<\/tr>\n<tr>\n<th>Input Frequency<\/th>\n<td>50 \/ 60Hz auto selectable<\/td>\n<\/tr>\n<tr>\n<th>Input Power Factor<\/th>\n<td>&gt; 0.99 at 100% load<\/td>\n<\/tr>\n<tr>\n<th>Output Voltage<\/th>\n<td>380 \/ 400 \/ 415VAC, three-phase<\/td>\n<\/tr>\n<tr>\n<th>AC Voltage Regulation<\/th>\n<td>\u00b10.3%<\/td>\n<\/tr>\n<tr>\n<th>Output Frequency<\/th>\n<td>46-54Hz or 56-64Hz in synchronized mode; 50Hz \u00b10.1Hz or 60Hz \u00b10.1Hz in battery mode<\/td>\n<\/tr>\n<tr>\n<th>Crest Factor<\/th>\n<td>3:1<\/td>\n<\/tr>\n<tr>\n<th>Output THD<\/th>\n<td>\u22641% THD with linear load; \u22642% THD with nonlinear load<\/td>\n<\/tr>\n<tr>\n<th>Transfer Time<\/th>\n<td>0ms<\/td>\n<\/tr>\n<tr>\n<th>Efficiency<\/th>\n<td>&gt; 96.5% in AC mode; &gt; 96.5% in battery mode<\/td>\n<\/tr>\n<tr>\n<th>Battery Quantity<\/th>\n<td>32-40 pcs adjustable<\/td>\n<\/tr>\n<tr>\n<th>Charging Current<\/th>\n<td>2-36A \u00b110%, preset 2A<\/td>\n<\/tr>\n<tr>\n<th>Dimensions<\/th>\n<td>1000 \u00d7 430 \u00d7 1200 mm<\/td>\n<\/tr>\n<tr>\n<th>Net Weight<\/th>\n<td>200 kg<\/td>\n<\/tr>\n<tr>\n<th>Operating Temperature<\/th>\n<td>0-40\u00b0C<\/td>\n<\/tr>\n<tr>\n<th>Relative Humidity<\/th>\n<td>&lt; 95%, non-condensing<\/td>\n<\/tr>\n<tr>\n<th>Communication<\/th>\n<td>RS232 \/ RS485 \/ USB, optional SNMP<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<figure id=\"attachment_2259\" class=\"wp-caption aligncenter\" style=\"width: 2400px;\" aria-describedby=\"caption-attachment-2259\"><figcaption id=\"caption-attachment-2259\" class=\"wp-caption-text\">\n<figure id=\"attachment_4832\" aria-describedby=\"caption-attachment-4832\" style=\"width: 970px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-4832\" src=\"https:\/\/btrytech.com\/wp-content\/uploads\/2026\/07\/DAXIN-EX3C3-120kVA-Online-UPS-Technical-Specifications-1.webp\" alt=\"DAXIN EX3C3 120kVA Online UPS Technical Specifications\" width=\"970\" height=\"927\" srcset=\"https:\/\/btrytech.com\/wp-content\/uploads\/2026\/07\/DAXIN-EX3C3-120kVA-Online-UPS-Technical-Specifications-1.webp 970w, https:\/\/btrytech.com\/wp-content\/uploads\/2026\/07\/DAXIN-EX3C3-120kVA-Online-UPS-Technical-Specifications-1-300x287.webp 300w, https:\/\/btrytech.com\/wp-content\/uploads\/2026\/07\/DAXIN-EX3C3-120kVA-Online-UPS-Technical-Specifications-1-768x734.webp 768w, https:\/\/btrytech.com\/wp-content\/uploads\/2026\/07\/DAXIN-EX3C3-120kVA-Online-UPS-Technical-Specifications-1-13x12.webp 13w\" sizes=\"auto, (max-width: 970px) 100vw, 970px\" \/><figcaption id=\"caption-attachment-4832\" class=\"wp-caption-text\">Technical specifications for the DAXIN EX3C3 120kVA online UPS, including electrical performance, battery, efficiency and operating parameters.<\/figcaption><\/figure>\n<p>Technical specifications for DAXIN ENERGY EX3C3 series three-phase online UPS, including 120kVA model.<\/p>\n<\/figcaption><\/figure>\n<figure id=\"attachment_2232\" class=\"wp-caption aligncenter\" style=\"width: 982px;\" aria-describedby=\"caption-attachment-2232\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2232\" src=\"https:\/\/btrytech.com\/wp-content\/uploads\/2026\/08\/daxin-sitewide-p2255-detail-02.webp\" alt=\"120kVA Three-Phase Online UPS | DAXIN ENERGY EX3C3 technical detail 2 by DAXIN ENERGY\" width=\"982\" height=\"664\" \/><figcaption id=\"caption-attachment-2232\" class=\"wp-caption-text\">Key features of DAXIN ENERGY online UPS, including stable power, wide voltage range, energy saving and easy operation.<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>DAXIN ENERGY EX3C3 120kVA three-phase online UPS delivers reliable, high-efficiency power protection for data centers, industrial facilities, telecom systems, hospitals and critical commercial applications. With double-conversion online topology, high input power factor, wide AC input voltage range, LCD monitoring and advanced protection functions, it provides clean and stable power for mission-critical equipment.<\/p>\n","protected":false},"featured_media":4829,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[622,46],"product_cat":[98,104],"product_tag":[],"class_list":["post-2255","product","type-product","status-publish","has-post-thumbnail","product_brand-daxin-energy","product_brand-szdxzh","product_cat-high-frequency-ups","product_cat-hf-3-3-phase-ups","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/btrytech.com\/en\/wp-json\/wp\/v2\/product\/2255","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/btrytech.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/btrytech.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/btrytech.com\/en\/wp-json\/wp\/v2\/comments?post=2255"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/btrytech.com\/en\/wp-json\/wp\/v2\/media\/4829"}],"wp:attachment":[{"href":"https:\/\/btrytech.com\/en\/wp-json\/wp\/v2\/media?parent=2255"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/btrytech.com\/en\/wp-json\/wp\/v2\/product_brand?post=2255"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/btrytech.com\/en\/wp-json\/wp\/v2\/product_cat?post=2255"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/btrytech.com\/en\/wp-json\/wp\/v2\/product_tag?post=2255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}