{"id":79399,"date":"2023-10-20T14:55:05","date_gmt":"2023-10-20T05:25:05","guid":{"rendered":"https:\/\/www.solarquotes.com.au\/blog\/?p=79399"},"modified":"2023-12-28T09:02:05","modified_gmt":"2023-12-27T23:32:05","slug":"rec-alpha-pure-rx","status":"publish","type":"post","link":"https:\/\/www.solarquotes.com.au\/blog\/rec-alpha-pure-rx\/","title":{"rendered":"REC Alpha Pure-RX: 470W Of High-Voltage, Low-Current Goodness"},"content":{"rendered":"<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-79443\" src=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/10\/rec-alpha-pure-rx-1.jpg\" alt=\"REC Alpha Pure RX solar panel\" width=\"1200\" height=\"628\" srcset=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/10\/rec-alpha-pure-rx-1.jpg 1200w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/10\/rec-alpha-pure-rx-1-300x157.jpg 300w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/10\/rec-alpha-pure-rx-1-1024x536.jpg 1024w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/10\/rec-alpha-pure-rx-1-768x402.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>Prominent Singapore-headquartered PV module manufacturer REC has dropped the specifications of its latest line of residential solar panels, the REC Alpha Pure-RX Series. The &#8220;pure&#8221; part of this name refers to the panels being lead-free.<!--more--><\/p>\n<p>Using <a href=\"https:\/\/www.solarquotes.com.au\/glossary.html#hjt\">heterojunction cell technology (HJT)<\/a>, these modules represent yet another significant step in residential solar power. Beyond the marketing spin, the real issue? Installers grappling with bigger, bulkier panels.<\/p>\n<p>While they&#8217;re similar in height to many other residential solar panels, they&#8217;re wider. For instance, Jinko has a 440w panel measuring 1722 x 1134 mm, while many others offer 415w for that size. The new REC panels, however, are 1728mm tall and 1205mm wide, making them broader than a standard sheet of gyprock. It&#8217;s good to see that they&#8217;re also stating the size as 2.08m\u00b2, a detail more manufacturers should include.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-79438\" src=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/10\/rec-purerx-vs-gyprock-1.png\" alt=\"REC Alpha Pure RX vs Gyprock dimensions\" width=\"657\" height=\"475\" srcset=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/10\/rec-purerx-vs-gyprock-1.png 657w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/10\/rec-purerx-vs-gyprock-1-300x217.png 300w\" sizes=\"(max-width: 657px) 100vw, 657px\" \/><\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-79437 size-full\" src=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/10\/solar-panel-comparison.png\" alt=\"Chart showing solar panels' power and power density\" width=\"896\" height=\"672\" srcset=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/10\/solar-panel-comparison.png 896w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/10\/solar-panel-comparison-300x225.png 300w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/10\/solar-panel-comparison-768x576.png 768w\" sizes=\"(max-width: 896px) 100vw, 896px\" \/><\/p>\n<ul>\n<li>Run of the mill is now 212.52W\/m\u00b2<\/li>\n<li>Jinko Tiger Neo is 225.32W\/m\u00b2<\/li>\n<li>REC Pure-RX is 225.96W\/m\u00b2<\/li>\n<\/ul>\n<p>So, roughly speaking, the headline is 7% or 30 watts more per panel, but it&#8217;s only a tiny fraction better in actual efficiency when you compare the <a href=\"https:\/\/www.solarquotes.com.au\/glossary.html#powerdensity\">power density<\/a>.<\/p>\n<h2><strong>REC Alpha Pure-RX Series Specifications:<\/strong><\/h2>\n<ul>\n<li>Power ratings ranging from 450 W to 470 W<\/li>\n<li>Impressive efficiencies, ranging from 21.6% to 22.6%.<\/li>\n<li>88 <a href=\"https:\/\/www.solarquotes.com.au\/glossary.html#hjt\">heterojunction<\/a>, <a href=\"https:\/\/www.solarquotes.com.au\/blog\/half-cut-solar-cells-panels\/\">half-cut<\/a> <a href=\"https:\/\/www.solarquotes.com.au\/glossary.html#monocrystalline\">monocrystalline<\/a> solar cells,<\/li>\n<li>High output voltage, low current<\/li>\n<li>Four bypass diodes, meaning 11 of the 88 cells can be bypassed at a time, helping maintain power when shaded.<\/li>\n<li>Sturdy build: Each module weighs approximately 23 kg, but REC have two reinforcement bars across the back, which helps with strength, wind loading and cable management. I would buy them on that point alone.<\/li>\n<\/ul>\n<div id=\"attachment_79441\" style=\"width: 674px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" aria-describedby=\"caption-attachment-79441\" class=\"wp-image-79441 size-full\" src=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/10\/rec-alpha-purerx-back.png\" alt=\"REC Alpha Pure-RX solar panel - back\" width=\"664\" height=\"470\" srcset=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/10\/rec-alpha-purerx-back.png 664w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/10\/rec-alpha-purerx-back-300x212.png 300w\" sizes=\"(max-width: 664px) 100vw, 664px\" \/><p id=\"caption-attachment-79441\" class=\"wp-caption-text\">I&#8217;m sure some installers will be confronted by the cables on one side.<\/p><\/div>\n<ul>\n<li>Temperature resilience: With an operating temperature coefficient of -0.24% per \u00baC, these modules remain efficient even in high summer heat.<\/li>\n<\/ul>\n<p>Finn explains temperature resilience of solar panels here:<\/p>\n<div class=\"youtube-wrapper\"><iframe title=\"Solar Basics Pt 9 : Surprising Facts About Solar &amp; Heat\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/iDv4Eon5Vyg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<h3><strong>Warranty Assurance:<\/strong><\/h3>\n<ul>\n<li>REC ProTrust Warranty if using a REC-certified installer: This extends coverage for up to 25 years, encompassing product, performance, and labour. Notably, it ensures a guaranteed power output of at least 92%, even in the 25th year.<\/li>\n<\/ul>\n<table id=\"blogtable\" border=\"1\" cellspacing=\"0\">\n<thead>\n<tr>\n<th colspan=\"2\">REC ALPHA PURE-RX SOLAR PANEL TECHNICAL SPECIFICATIONS<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Cell type:<\/strong><\/td>\n<td>88 half-cut REC heterojunction cells with lead-free, gapless technology<\/td>\n<\/tr>\n<tr>\n<td><strong>Glass:<\/strong><\/td>\n<td>3.2 mm solar glass with anti-reflective surface treatment per EN12150<\/td>\n<\/tr>\n<tr>\n<td><strong>Backsheet:<\/strong><\/td>\n<td>Polymer<\/td>\n<\/tr>\n<tr>\n<td><strong>Frame:<\/strong><\/td>\n<td>Anodized aluminium (black)<\/td>\n<\/tr>\n<tr>\n<td><strong>Junction box:<\/strong><\/td>\n<td>4-part, 4-bypass diodes, lead-free IP68 rated, per IEC 62790<\/td>\n<\/tr>\n<tr>\n<td><strong>Connectors:<\/strong><\/td>\n<td>St\u00e4ubli MC4 PV-KBT4\/KST4(4 mm\u00b2) in accordance with IEC 62852, IP68 only when connected<\/td>\n<\/tr>\n<tr>\n<td><strong>Cable:<\/strong><\/td>\n<td>4 mm\u00b2 solar cable, 1.7 + 1.7 m in accordance with EN50618<\/td>\n<\/tr>\n<tr>\n<td><strong>Dimensions:<\/strong><\/td>\n<td>1728 x 1205 x 30 mm (2.08 m\u00b2)<\/td>\n<\/tr>\n<tr>\n<td><strong>Weight:<\/strong><\/td>\n<td>23.2 kg<\/td>\n<\/tr>\n<tr>\n<td><strong>Origin:<\/strong><\/td>\n<td>Made in Singapore<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>The Real REC Alpha Pure-RX Difference<\/h2>\n<p>Let&#8217;s examine the critical specifications rather than inundating you with sales rhetoric. You&#8217;ll have to excuse me while I go into some nerdy details that installers will be joyfully clutching pearls about.<\/p>\n<h3><strong>Voltage and Current<\/strong><\/h3>\n<p>These panels operate at a relatively high voltage \u00a0( ~65 V<sub>OC<\/sub>) and a relatively low current (~9A I<sub>SC<\/sub>). Why this offers advantages in Australia warrants its own forthcoming blog post. But here&#8217;s a brief rundown on how it simplifies the solar installer\/designer&#8217;s job:<\/p>\n<p><strong>High Voltage<\/strong> is a significant advantage over the recent flood of low-voltage, high-current 108 half-cell panels on the market. While modern inverters are very flexible, they always work better with a higher input voltage.<\/p>\n<p><strong>Low <\/strong><strong>currents <\/strong>mean these modules <em>would<\/em> be perfectly suited to microinverters like the Enphase IQ7a, <em>except<\/em> they can&#8217;t tolerate the high open circuit voltage. The IQ7x is the only Enphase that will handle 65 V<sub>OC,<\/sub> but low rated wattage means you can&#8217;t claim STC credits. <sup class='endnote'><a href='https:\/\/www.solarquotes.com.au\/blog\/rec-alpha-pure-rx\/#en-79399-1' id='enref-79399-1' onclick='return hhEndnotes_show(79399)'>1<\/a><\/sup><\/p>\n<p>Higher voltage and lower current also mean the potential to be more flexibly deployed in short parallel strings on conventional inverters. That&#8217;s handy for dealing with Australia&#8217;s <a href=\"https:\/\/www.solarquotes.com.au\/blog\/solar-roof-builders\/\">love affair with complex roofs<\/a>.<\/p>\n<p>A full datasheet for <a href=\"https:\/\/www.recgroup.com\/sites\/default\/files\/documents\/ds_rec_alpha_pure-rx_series_iec_eng_web.pdf\">REC Alpha Pure-RX solar panels can be viewed here<\/a>.<\/p>\n<h2>Finally, We Have A Contender<\/h2>\n<p><a href=\"https:\/\/www.solarquotes.com.au\/panels\/\">Solar panels<\/a> have been growing in both physical width and current output for a long time, while inverter makers have not kept up. Rather, they have been muddling along. In jurisdictions like Australia, they have been forced to make special declarations that they really can handle all that current.<\/p>\n<p>We have what some would argue is an overly conservative standard, which has been met with some hastily written paperwork saying, &#8220;Yeah, it&#8217;s fine.&#8221;<\/p>\n<p>This new REC Alpha Pure-RX solar panel puts things right by taking the growth in panel capacity and turning it into voltage instead of current.<\/p>\n<p>All we need now is for AS4777 to catch up so we can put up to 1000V DC on your residential roof.<\/p>\n<p><a href=\"https:\/\/www.solarquotes.com.au\/panels\/rec-review.html\">REC solar panels<\/a> have been popular among Australian installers. In this year&#8217;s SolarQuotes&#8217; Installers Choice Awards, REC scored gold in the <a href=\"https:\/\/www.solarquotes.com.au\/blog\/best-solar-panels-2023\/\">best solar panels in 2023<\/a> category; and also gold for the best after-sales support.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Prominent Singapore-headquartered PV module manufacturer REC has dropped the specifications of its latest line of residential solar panels, the REC Alpha Pure-RX Series. The &#8220;pure&#8221; part of this name refers to the panels being lead-free.<\/p>\n","protected":false},"author":28,"featured_media":79443,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[46],"tags":[],"class_list":["post-79399","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-solar-panels-2","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>REC Alpha Pure RX: 470W High-Voltage Low-Current Solar Panels<\/title>\n<meta name=\"description\" content=\"REC Alpha Pure RX: A high-voltage, low-current solar panel tailored for Australian rooftops. Lead-free, nicely sized and high power.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.solarquotes.com.au\/blog\/rec-alpha-pure-rx\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"REC Alpha Pure-RX: 470W Of High-Voltage, Low-Current Goodness\" \/>\n<meta property=\"og:description\" content=\"REC Alpha Pure RX: A high-voltage, low-current solar panel tailored for Australian rooftops. 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