{"id":1329,"date":"2026-03-06T07:11:04","date_gmt":"2026-03-06T07:11:04","guid":{"rendered":"https:\/\/www.ardgenerator.com\/product\/lsa40-10-20-kva\/"},"modified":"2026-06-23T09:12:46","modified_gmt":"2026-06-23T09:12:46","slug":"lsa40-10-20-kva","status":"publish","type":"product","link":"https:\/\/www.ardgenerator.com\/en\/product\/lsa40-10-20-kva\/","title":{"rendered":"LSA40 | 10 &#8211; 20 kVA"},"content":{"rendered":"\n\t\t<div class=\"tabbed-content\">\n\t\t\t\n\t\t\t<ul class=\"nav nav-tabs nav-uppercase nav-size-normal nav-left\" role=\"tablist\"><li id=\"tab-overview\" class=\"tab active has-icon\" role=\"presentation\"><a href=\"#tab_overview\" role=\"tab\" aria-selected=\"true\" aria-controls=\"tab_overview\"><span>Overview<\/span><\/a><\/li>\n<li id=\"tab-specifications\" class=\"tab has-icon\" role=\"presentation\"><a href=\"#tab_specifications\" tabindex=\"-1\" role=\"tab\" aria-selected=\"false\" aria-controls=\"tab_specifications\"><span>Specifications<\/span><\/a><\/li>\n<li id=\"tab-downloads\" class=\"tab has-icon\" role=\"presentation\"><a href=\"#tab_downloads\" tabindex=\"-1\" role=\"tab\" aria-selected=\"false\" aria-controls=\"tab_downloads\"><span>Downloads<\/span><\/a><\/li><\/ul><div class=\"tab-panels\"><div id=\"tab_overview\" class=\"panel active entry-content\" role=\"tabpanel\" aria-labelledby=\"tab-overview\">\n<div style=\"overflow-x: auto;\">\n<table cellspacing=\"0\">\n<tbody>\n<tr>\n<td>Power<\/td>\n<td>10\u00a0&#8211; 20 kVA*<\/td>\n<\/tr>\n<tr>\n<td>Voltage<\/td>\n<td>220 &#8211; 480V<\/td>\n<\/tr>\n<tr>\n<td>Poles<\/td>\n<td>4<\/td>\n<\/tr>\n<tr>\n<td>Speed<\/td>\n<td>1500 &#8211; 1800 rpm<\/td>\n<\/tr>\n<tr>\n<td>Shaft height<\/td>\n<td>160 mm<\/td>\n<\/tr>\n<tr>\n<td>Max efficiency<\/td>\n<td>91.3 %<\/td>\n<\/tr>\n<tr>\n<td>Excitation<\/td>\n<td>SHUNT \/ AREP<\/td>\n<\/tr>\n<tr>\n<td>Regulation<\/td>\n<td><a href=\"\/product\/avr-r220\/\">R220<\/a>\u00a0\/\u00a0<a href=\"\/product\/avr-d350-excitation-current-up-to-5-a\/\">D350<\/a>\u00a0\/\u00a0<a href=\"\/product\/avr-d550-excitation-current-up-to-8-a\/\">D550<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><small>* kVA\/50Hz &#8211; kW\/60Hz | Continuous \/ 40\u00b0C<br \/>\n(Discrepancies may occur, consult catalogue for exact figures)<br \/>\n<\/small><\/p>\n<hr \/>\n<h3>Applications<\/h3>\n<table border=\"0\" cellspacing=\"10\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td align=\"center\"><img decoding=\"async\" src=\"https:\/\/moen.nidec.com\/en\/power\/Products\/industrial\/lsa\/-\/media\/Project\/Nidec\/LeroySomerAlternators\/images\/industrial-grey.ashx?la=en&amp;hash=EA9B286335E24E42314F2F29B7364822\" alt=\"Industrial application\" \/><br \/>\nIndustrial<\/td>\n<td align=\"center\"><img decoding=\"async\" src=\"https:\/\/moen.nidec.com\/en\/power\/Products\/industrial\/lsa\/-\/media\/Project\/Nidec\/LeroySomerAlternators\/images\/telecom-grey.ashx?la=en&amp;hash=254EFEA7B215922D00940FCE3780CD6C\" alt=\"Telecom application\" \/><br \/>\nTelecom<\/td>\n<td align=\"center\"><img decoding=\"async\" src=\"https:\/\/moen.nidec.com\/en\/power\/Products\/industrial\/lsa\/-\/media\/Project\/Nidec\/LeroySomerAlternators\/images\/commercial-grey.ashx?la=en&amp;hash=16B4C4C1D0F97A7F6990DAFF1035A763\" alt=\"Commercial application\" \/><br \/>\nCommercial<\/td>\n<td align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/moen.nidec.com\/power\/-\/media\/Project\/Nidec\/LeroySomerAlternators\/Images\/marine-grey.gif\" alt=\"\" width=\"50\" height=\"50\" \/><br \/>\nMarine<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>Benefits<\/h3>\n<p><strong>COMPACT<\/strong><br \/>\nOpimized cooling system<\/p>\n<p><strong>HIGH RELIABILITY<\/strong><br \/>\nClass H insulation<\/p>\n<p><strong>HIGH EFFICIENCY<\/strong><br \/>\nSuited for prime applications<\/p>\n<\/div>\n<div id=\"tab_specifications\" class=\"panel entry-content\" role=\"tabpanel\" aria-labelledby=\"tab-specifications\">\n<div style=\"overflow-x: auto;\">\n<table>\n<tbody>\n<tr>\n<td>Insulation class<\/td>\n<td>H<\/td>\n<\/tr>\n<tr>\n<td>Winding pitch<\/td>\n<td>2\/3 (winding 6)<\/td>\n<\/tr>\n<tr>\n<td>Number of wires<\/td>\n<td>12<\/td>\n<\/tr>\n<tr>\n<td>Protection<\/td>\n<td>IP 23<\/td>\n<\/tr>\n<tr>\n<td>Altitude<\/td>\n<td>\u2264 1000 m<\/td>\n<\/tr>\n<tr>\n<td>Overspeed<\/td>\n<td>2250 rpm<\/td>\n<\/tr>\n<tr>\n<td>Air flow<\/td>\n<td>0.06m<sup>3<\/sup>\/s, 50 Hz &#8211; 0.072m<sup>3<\/sup>\/s, 60 Hz<\/td>\n<\/tr>\n<tr>\n<td>Excitation system \/ AVR type<\/td>\n<td>AREP \/ D350 or D550<\/p>\n<p>SHUNT \/ R220<\/td>\n<\/tr>\n<tr>\n<td>Voltage regulation (Steady state)<\/td>\n<td>\u00b1 0,25% AREP \/ \u00b1 0.5% SHUNT<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"2\">\n<tbody>\n<tr>\n<td colspan=\"1\" rowspan=\"1\"><strong>Regulators<\/strong><\/td>\n<td colspan=\"1\" rowspan=\"1\">R220<\/td>\n<td align=\"center\"><strong>D350<\/strong><\/td>\n<td align=\"center\">D550<\/td>\n<\/tr>\n<tr>\n<td>Mains Paralleling<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td align=\"center\">&#8211;<\/td>\n<td align=\"center\">\u25cf<\/td>\n<\/tr>\n<tr>\n<td>3-phase sensing<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td align=\"center\">\u25cf<\/td>\n<td align=\"center\">\u25cf<\/td>\n<\/tr>\n<tr>\n<td>Advanced settings<\/td>\n<td colspan=\"1\">&#8211;<\/td>\n<td align=\"center\">\u25cf<\/td>\n<td align=\"center\">\u25cf<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">Data logging &amp; monitoring<\/td>\n<td colspan=\"1\" rowspan=\"1\">&#8211;<\/td>\n<td align=\"center\">\u25cf<\/td>\n<td align=\"center\">\u25cf<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">Remote communication<\/td>\n<td colspan=\"1\" rowspan=\"1\">&#8211;<\/td>\n<td rowspan=\"1\" align=\"center\">\u25cf<\/td>\n<td rowspan=\"1\" align=\"center\">\u25cf<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">Remote voltage potentiometer<\/td>\n<td colspan=\"1\" rowspan=\"1\">&#8211;<\/td>\n<td rowspan=\"1\" align=\"center\">\u25cb<\/td>\n<td rowspan=\"1\" align=\"center\">\u25cb<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">CT for paralleling<\/td>\n<td colspan=\"1\" rowspan=\"1\">&#8211;<\/td>\n<td rowspan=\"1\" align=\"center\">\u25cb<\/td>\n<td rowspan=\"1\" align=\"center\">\u25cb<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">R791 RFI suppression kit (standard in Europe)<\/td>\n<td colspan=\"1\" rowspan=\"1\">\u25cb<\/td>\n<td rowspan=\"1\" align=\"center\">\u25cb<\/td>\n<td rowspan=\"1\" align=\"center\">\u25cb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u25cf : Included \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u25cb : Option \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 &#8211; : Not available<\/p>\n<hr \/>\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"2\">\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">Flex plate \/ Flange<\/th>\n<td colspan=\"1\" rowspan=\"1\">3<\/td>\n<td colspan=\"1\" rowspan=\"1\">4<\/td>\n<td colspan=\"1\" rowspan=\"1\">5<\/td>\n<\/tr>\n<tr>\n<th colspan=\"1\" rowspan=\"1\"><strong>11\u00bd<\/strong><\/th>\n<td colspan=\"1\" align=\"center\">\u25cf<\/td>\n<td colspan=\"1\" align=\"center\">&#8211;<\/td>\n<td colspan=\"1\" align=\"center\">&#8211;<\/td>\n<\/tr>\n<tr>\n<th colspan=\"1\" rowspan=\"1\"><strong>10<\/strong><\/th>\n<td colspan=\"1\" align=\"center\">\u25cf<\/td>\n<td colspan=\"1\" align=\"center\">\u25cf<\/td>\n<td colspan=\"1\" align=\"center\">&#8211;<\/td>\n<\/tr>\n<tr>\n<th colspan=\"1\" rowspan=\"1\"><strong>8<\/strong><\/th>\n<td colspan=\"1\" align=\"center\">\u25cf<\/td>\n<td colspan=\"1\">\u25cf<\/td>\n<td colspan=\"1\" align=\"center\">&#8211;<\/td>\n<\/tr>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">7 \u00bd<\/th>\n<td colspan=\"1\" rowspan=\"1\" align=\"center\">&#8211;<\/td>\n<td colspan=\"1\" rowspan=\"1\" align=\"center\">\u25cf<\/td>\n<td colspan=\"1\" rowspan=\"1\" align=\"center\">\u25cf<\/td>\n<\/tr>\n<tr>\n<th colspan=\"1\" rowspan=\"1\"><strong>6\u00a0\u00bd<\/strong><\/th>\n<td colspan=\"1\" align=\"center\">&#8211;<\/td>\n<td colspan=\"1\" align=\"center\">\u25cf<\/td>\n<td colspan=\"1\" align=\"center\">\u25cf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<div id=\"tab_downloads\" class=\"panel entry-content\" role=\"tabpanel\" aria-labelledby=\"tab-downloads\">\n<div class=\"row\"  id=\"row-1291321491\">\n\n\t<div id=\"col-1401411658\" class=\"col medium-3 small-12 large-3\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_642718638\">\n\t\t<a class=\"\" href=\"https:\/\/www.ardgenerator.com\/wp-content\/uploads\/2026\/03\/6242d_en.pdf\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner 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