{"id":264,"date":"2026-08-23T10:34:59","date_gmt":"2026-08-23T10:34:59","guid":{"rendered":"https:\/\/axtron.group\/store\/?post_type=product&#038;p=264"},"modified":"2026-08-24T19:26:12","modified_gmt":"2026-08-24T19:26:12","slug":"aps-rtx-powercore-flex-pc33-fl-20-0k-e-20kva-20kw-33-online-rack-tower-ups","status":"publish","type":"product","link":"https:\/\/axtron.group\/store\/product\/aps-rtx-powercore-flex-pc33-fl-20-0k-e-20kva-20kw-33-online-rack-tower-ups\/","title":{"rendered":"APS-RTx PowerCore Flex PC33 FL 20.0K-E \u2013 20kVA\/20kW 3:3 Online Rack\/Tower UPS"},"content":{"rendered":"<p class=\"isSelectedEnd\">The <strong>APS-RTx PowerCore Flex PC33 FL 20.0K-E<\/strong> is a high-performance <strong>20kVA \/ 20kW three-phase online UPS<\/strong> designed to protect critical IT, communications and business infrastructure from power interruptions and poor power quality.<\/p>\n<p class=\"isSelectedEnd\">Using <strong>online double-conversion technology<\/strong>, the UPS continuously conditions incoming power before supplying the connected load, providing stable voltage and frequency together with <strong>zero transfer time from utility to battery operation<\/strong>.<\/p>\n<p class=\"isSelectedEnd\">With a <strong>1.0 output power factor<\/strong>, the PC33 FL 20.0K-E delivers its full <strong>20kW of usable active power<\/strong>, making it particularly suitable for modern servers, networking equipment and other high-density electronic loads.<\/p>\n<p class=\"isSelectedEnd\">Its <strong>three-level inverter topology<\/strong> improves conversion efficiency and reduces switching losses, delivering AC-mode efficiency of up to <strong>95.5%<\/strong> while maintaining excellent output power quality.<\/p>\n<p class=\"isSelectedEnd\">The UPS uses a <strong>3-phase input \/ 3-phase output architecture<\/strong> and supports 380V, 400V and 415V electrical systems commonly used in commercial and industrial facilities.<\/p>\n<p class=\"isSelectedEnd\">Despite its 20kW capacity, the system occupies only <strong>3U of rack space<\/strong> and can be configured for rack or tower installation.<\/p>\n<p class=\"isSelectedEnd\">For applications requiring increased availability or future capacity expansion, compatible units can be operated in parallel to provide <strong>N+X redundancy or additional system capacity<\/strong>.<\/p>\n<p class=\"isSelectedEnd\">The PC33 FL 20.0K-E uses an <strong>external battery system<\/strong>, allowing battery capacity and backup duration to be engineered according to the requirements of each installation.<\/p>\n<h2>Key Features<\/h2>\n<ul data-spread=\"false\">\n<li><strong>20kVA \/ 20kW<\/strong> rated capacity<\/li>\n<li><strong>1.0 output power factor<\/strong><\/li>\n<li><strong>Online double-conversion<\/strong> topology<\/li>\n<li><strong>3-phase input \/ 3-phase output<\/strong><\/li>\n<li>380 \/ 400 \/ 415VAC operation<\/li>\n<li><strong>Three-level inverter topology<\/strong><\/li>\n<li>AC efficiency up to <strong>95.5%<\/strong><\/li>\n<li>High-efficiency ECO operating mode<\/li>\n<li>Input power factor \u22650.99<\/li>\n<li>Low input harmonic distortion<\/li>\n<li><strong>Zero transfer time<\/strong> from utility to battery<\/li>\n<li>Pure sine-wave output<\/li>\n<li>Output voltage regulation \u00b11%<\/li>\n<li>Compact <strong>3U design<\/strong><\/li>\n<li>Rack\/Tower installation<\/li>\n<li>External battery system<\/li>\n<li>Programmable battery configuration<\/li>\n<li>Parallel operation supported<\/li>\n<li><strong>N+X redundancy<\/strong><\/li>\n<li>Capacity expansion capability<\/li>\n<li>Dual-input capability<\/li>\n<li>Generator compatible<\/li>\n<li>Intelligent charging management<\/li>\n<li>LCD status display<\/li>\n<li>USB communication<\/li>\n<li>RS232 communication<\/li>\n<li>RS485 communication<\/li>\n<li>Intelligent communication slot<\/li>\n<li>Dry-contact interface<\/li>\n<li>Emergency Power Off<\/li>\n<li>Backfeed protection<\/li>\n<li>Intelligent fan control<\/li>\n<li>Overload protection<\/li>\n<li>Short-circuit protection<\/li>\n<li>Battery protection<\/li>\n<li>Over-temperature protection<\/li>\n<\/ul>\n<h2>Typical Applications<\/h2>\n<p class=\"isSelectedEnd\">Suitable for:<\/p>\n<ul data-spread=\"false\">\n<li>Data centres<\/li>\n<li>Server rooms<\/li>\n<li>Banking and financial systems<\/li>\n<li>Telecommunications facilities<\/li>\n<li>Network infrastructure<\/li>\n<li>Communications equipment<\/li>\n<li>Critical business IT systems<\/li>\n<li>CCTV and security control rooms<\/li>\n<li>Access-control infrastructure<\/li>\n<li>Industrial control systems<\/li>\n<li>Automation systems<\/li>\n<li>Laboratory equipment<\/li>\n<li>Medical support equipment<\/li>\n<li>Enterprise IT infrastructure<\/li>\n<li>Mission-critical commercial facilities<\/li>\n<\/ul>\n<h2>Technical Specifications<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Specification<\/th>\n<th>PC33 FL 20.0K-E<\/th>\n<\/tr>\n<tr>\n<td>UPS Technology<\/td>\n<td><strong>Online Double Conversion<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Rated Capacity<\/td>\n<td><strong>20,000VA \/ 20,000W<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Output Power Factor<\/td>\n<td><strong>1.0<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Topology<\/td>\n<td>Three-Level Inverter<\/td>\n<\/tr>\n<tr>\n<td>Input Phase<\/td>\n<td><strong>3 Phase + Neutral + Earth<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Output Phase<\/td>\n<td><strong>3 Phase + Neutral + Earth<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Nominal Input Voltage<\/td>\n<td>380 \/ 400 \/ 415VAC<\/td>\n<\/tr>\n<tr>\n<td>Input Operating Range<\/td>\n<td><strong>138\u2013485VAC<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Input Power Factor<\/td>\n<td>\u22650.99<\/td>\n<\/tr>\n<tr>\n<td>Input THDi<\/td>\n<td>\u22643% with linear load<\/td>\n<\/tr>\n<tr>\n<td>Nominal Output Voltage<\/td>\n<td>380 \/ 400 \/ 415VAC<\/td>\n<\/tr>\n<tr>\n<td>Output Voltage Regulation<\/td>\n<td>\u00b11%<\/td>\n<\/tr>\n<tr>\n<td>Output Frequency<\/td>\n<td>50 \/ 60Hz<\/td>\n<\/tr>\n<tr>\n<td>Output Waveform<\/td>\n<td>Pure Sine Wave<\/td>\n<\/tr>\n<tr>\n<td>Crest Factor<\/td>\n<td>3:1<\/td>\n<\/tr>\n<tr>\n<td>Output THDv<\/td>\n<td>\u22642% with linear load<\/td>\n<\/tr>\n<tr>\n<td>AC Efficiency<\/td>\n<td><strong>Up to 95.5%<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Transfer Time \u2013 Utility to Battery<\/td>\n<td><strong>0ms<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Parallel Operation<\/td>\n<td><strong>Yes<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Redundancy<\/td>\n<td><strong>N+X Supported<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Maximum Parallel Units<\/td>\n<td>Up to <strong>4 units<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Battery Configuration<\/td>\n<td>External Battery System<\/td>\n<\/tr>\n<tr>\n<td>Internal Batteries<\/td>\n<td><strong>None<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Battery Type<\/td>\n<td>External VRLA battery system<\/td>\n<\/tr>\n<tr>\n<td>Communications<\/td>\n<td>USB, RS232, RS485, Intelligent Slot<\/td>\n<\/tr>\n<tr>\n<td>Generator Compatible<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>EPO \/ REPO<\/td>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<td>Installation<\/td>\n<td>Rack \/ Tower<\/td>\n<\/tr>\n<tr>\n<td>Rack Height<\/td>\n<td><strong>3U<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Operating Temperature<\/td>\n<td>0\u201340\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Humidity<\/td>\n<td>0\u201395%, non-condensing<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"isSelectedEnd\">The OEM HPM3300E-RT platform specifies a 138\u2013485VAC input range, \u22650.99 input PF, \u22643% THDi, \u00b11% output regulation and parallel redundancy for this series.<\/p>\n<h2>External Battery System<\/h2>\n<p class=\"isSelectedEnd\">The <strong>PC33 FL 20.0K-E does not contain internal batteries<\/strong>.<\/p>\n<p class=\"isSelectedEnd\">An appropriate external battery bank is therefore required to provide backup power during utility failure.<\/p>\n<p class=\"isSelectedEnd\">The external battery architecture allows the system to be configured according to the required runtime, with battery capacity selected based on:<\/p>\n<ul data-spread=\"false\">\n<li>Connected load<\/li>\n<li>Required backup duration<\/li>\n<li>Battery technology<\/li>\n<li>Installation environment<\/li>\n<li>Redundancy requirements<\/li>\n<\/ul>\n<p>Compatible rack-mounted battery packs can be installed alongside the UPS to create a complete integrated backup-power system.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The <strong>APS-RTx PC33 FL 20.0K-E<\/strong> is a <strong>20kVA \/ 20kW online double-conversion UPS<\/strong> with 3-phase input and output, PF1.0 performance and rack\/tower flexibility. Designed for data centres, server rooms, telecommunications and critical infrastructure, it delivers high-efficiency power protection, zero transfer time and scalable parallel redundancy.<\/p>\n","protected":false},"featured_media":266,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[30,31],"product_tag":[101,102,69,103,74,39,79,45,78,104,49,42,75,106,73,63,105,43,58,76,48,71,44,59],"class_list":["post-264","product","type-product","status-publish","has-post-thumbnail","product_cat-ups-backup-power","product_cat-ups-systems","product_tag-20kva-ups","product_tag-20kw-ups","product_tag-3-phase-ups","product_tag-33-ups","product_tag-3u-ups","product_tag-aps-rtx","product_tag-data-centre-ups","product_tag-double-conversion-ups","product_tag-external-battery-ups","product_tag-industrial-ups","product_tag-network-ups","product_tag-online-ups","product_tag-parallel-ups","product_tag-pc33-fl-20-0k-e","product_tag-pf1-0-ups","product_tag-power-backup","product_tag-powercore-flex","product_tag-rack-mount-ups","product_tag-rack-tower-ups","product_tag-redundant-ups","product_tag-server-ups","product_tag-three-phase-ups","product_tag-tower-ups","product_tag-ups-ghana","first","instock","taxable","shipping-taxable","purchasable","product-type-composite"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/axtron.group\/store\/wp-json\/wp\/v2\/product\/264","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/axtron.group\/store\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/axtron.group\/store\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/axtron.group\/store\/wp-json\/wp\/v2\/comments?post=264"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/axtron.group\/store\/wp-json\/wp\/v2\/media\/266"}],"wp:attachment":[{"href":"https:\/\/axtron.group\/store\/wp-json\/wp\/v2\/media?parent=264"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/axtron.group\/store\/wp-json\/wp\/v2\/product_brand?post=264"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/axtron.group\/store\/wp-json\/wp\/v2\/product_cat?post=264"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/axtron.group\/store\/wp-json\/wp\/v2\/product_tag?post=264"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}