{"id":23650,"date":"2025-11-22T13:33:40","date_gmt":"2025-11-22T11:33:40","guid":{"rendered":"https:\/\/firsttekonline.com\/?post_type=product&#038;p=23650"},"modified":"2026-04-06T13:23:20","modified_gmt":"2026-04-06T11:23:20","slug":"ncts-nu3k6-online-ups-3kva","status":"publish","type":"product","link":"https:\/\/firsttekonline.com\/index.php\/product\/ncts-nu3k6-online-ups-3kva\/","title":{"rendered":"NCTS-NU3K6 Online UPS 3KVA"},"content":{"rendered":"<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"186\" data-end=\"1320\">\n<thead data-start=\"186\" data-end=\"216\">\n<tr data-start=\"186\" data-end=\"216\">\n<th data-start=\"186\" data-end=\"198\" data-col-size=\"sm\">Parameter<\/th>\n<th data-start=\"198\" data-end=\"216\" data-col-size=\"lg\">Value \/ Detail<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"227\" data-end=\"1320\">\n<tr data-start=\"227\" data-end=\"253\">\n<td data-start=\"227\" data-end=\"239\" data-col-size=\"sm\"><strong data-start=\"229\" data-end=\"238\">Model<\/strong><\/td>\n<td data-start=\"239\" data-end=\"253\" data-col-size=\"lg\">NCTS-NU3K6<\/td>\n<\/tr>\n<tr data-start=\"254\" data-end=\"337\">\n<td data-start=\"254\" data-end=\"265\" data-col-size=\"sm\"><strong data-start=\"256\" data-end=\"264\">Type<\/strong><\/td>\n<td data-col-size=\"lg\" data-start=\"265\" data-end=\"337\">Online (double-conversion) UPS<\/td>\n<\/tr>\n<tr data-start=\"338\" data-end=\"542\">\n<td data-start=\"338\" data-end=\"359\" data-col-size=\"sm\"><strong data-start=\"340\" data-end=\"358\">Rated Capacity<\/strong><\/td>\n<td data-col-size=\"lg\" data-start=\"359\" data-end=\"542\">3 KVA \/ 2.7 kW according to NCTS datasheet<br \/>\n(Some retailers list 2.4 kW)<\/td>\n<\/tr>\n<tr data-start=\"543\" data-end=\"627\">\n<td data-start=\"543\" data-end=\"569\" data-col-size=\"sm\"><strong data-start=\"545\" data-end=\"568\">Input Voltage Range<\/strong><\/td>\n<td data-col-size=\"lg\" data-start=\"569\" data-end=\"627\">115\u2013300 VAC \u00b15%<\/td>\n<\/tr>\n<tr data-start=\"628\" data-end=\"718\">\n<td data-start=\"628\" data-end=\"656\" data-col-size=\"sm\"><strong data-start=\"630\" data-end=\"655\">Input Frequency Range<\/strong><\/td>\n<td data-col-size=\"lg\" data-start=\"656\" data-end=\"718\">(45\u201355) Hz \u00b1 0.5 Hz<\/td>\n<\/tr>\n<tr data-start=\"719\" data-end=\"819\">\n<td data-start=\"719\" data-end=\"740\" data-col-size=\"sm\"><strong data-start=\"721\" data-end=\"739\">Bypass Voltage<\/strong><\/td>\n<td data-col-size=\"lg\" data-start=\"740\" data-end=\"819\">80 VAC \u00d7 (1 \u00b15%) \u2013 285 VAC \u00d7 (1 \u00b15%)<\/td>\n<\/tr>\n<tr data-start=\"820\" data-end=\"971\">\n<td data-start=\"820\" data-end=\"834\" data-col-size=\"sm\"><strong data-start=\"822\" data-end=\"833\">Battery<\/strong><\/td>\n<td data-start=\"834\" data-end=\"971\" data-col-size=\"lg\">6 \u00d7 12V, 7Ah internal batteries<br \/>\nGroup voltage: 72 V<\/td>\n<\/tr>\n<tr data-start=\"972\" data-end=\"1098\">\n<td data-start=\"972\" data-end=\"990\" data-col-size=\"sm\"><strong data-start=\"974\" data-end=\"989\">Backup Time<\/strong><\/td>\n<td data-start=\"990\" data-end=\"1098\" data-col-size=\"lg\">&#8211; Half load: \u2265 10 minutes<br \/>\n&#8211; Full load: \u2265 5 minutes (standard)<\/td>\n<\/tr>\n<tr data-start=\"1099\" data-end=\"1196\">\n<td data-start=\"1099\" data-end=\"1127\" data-col-size=\"sm\"><strong data-start=\"1101\" data-end=\"1126\">Battery Charging Time<\/strong><\/td>\n<td data-col-size=\"lg\" data-start=\"1127\" data-end=\"1196\">~5 hours to 90% (standard)<\/td>\n<\/tr>\n<tr data-start=\"1197\" data-end=\"1293\">\n<td data-start=\"1197\" data-end=\"1218\" data-col-size=\"sm\"><strong data-start=\"1199\" data-end=\"1217\">Output Voltage<\/strong><\/td>\n<td data-col-size=\"lg\" data-start=\"1218\" data-end=\"1293\">220 VAC \u00b11% (in inverter mode)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Parameter Value \/ Detail Model NCTS-NU3K6 Type Online (double-conversion) UPS Rated Capacity 3 KVA \/ 2.7 kW according to NCTS datasheet (Some retailers list 2.4 kW) Input Voltage Range 115\u2013300 VAC \u00b15% Input Frequency Range (45\u201355) Hz \u00b1 0.5 Hz Bypass Voltage 80 VAC \u00d7 (1 \u00b15%) \u2013 285 VAC \u00d7 (1 \u00b15%) Battery 6 \u00d7 12V, 7Ah internal batteries Group voltage: 72 V Backup Time &#8211; Half load: \u2265 10 minutes &#8211; Full load: \u2265 5 minutes (standard) Battery Charging Time ~5 hours to 90% (standard) Output Voltage 220 VAC \u00b11% (in inverter mode)<\/p>\n","protected":false},"featured_media":23651,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[427],"product_tag":[],"class_list":{"0":"post-23650","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ups","9":"first","10":"instock","11":"sale","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>NCTS-NU3K6 Online UPS 3KVA - First Tek<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/firsttekonline.com\/index.php\/product\/ncts-nu3k6-online-ups-3kva\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NCTS-NU3K6 Online UPS 3KVA - First Tek\" \/>\n<meta property=\"og:description\" content=\"Parameter Value \/ Detail Model NCTS-NU3K6 Type Online (double-conversion) UPS Rated Capacity 3 KVA \/ 2.7 kW according to NCTS datasheet (Some retailers list 2.4 kW) Input Voltage Range 115\u2013300 VAC \u00b15% Input Frequency Range (45\u201355) Hz \u00b1 0.5 Hz Bypass Voltage 80 VAC \u00d7 (1 \u00b15%) \u2013 285 VAC \u00d7 (1 \u00b15%) Battery 6 \u00d7 12V, 7Ah internal batteries Group voltage: 72 V Backup Time &#8211; 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