{"id":14644,"date":"2025-05-21T08:54:02","date_gmt":"2025-05-21T06:54:02","guid":{"rendered":"https:\/\/www.kfactor.it\/?post_type=product&#038;p=14644"},"modified":"2026-05-22T09:43:16","modified_gmt":"2026-05-22T07:43:16","slug":"vam-n-closed-type-single-phase-variable-transformers-from-4a-to-60a-copia","status":"publish","type":"product","link":"https:\/\/www.kfactor.it\/en\/shop\/variable-transformers\/vam-n-closed-type-single-phase-variable-transformers-from-4a-to-60a-copia\/","title":{"rendered":"STABILIZED SINGLE-PHASE VARIABLE AUTOTRANSFORMER VAM_R10 SERIES"},"content":{"rendered":"<h3>STABILIZED SINGLE-PHASE VARIABLE autotransformer VAM_R10 series<\/h3>\n<ul>\n<li>Closed type, motorized model<\/li>\n<li><strong>Input: <\/strong>230Vac 50\/60Hz <strong>Stabilized Adjustable Output:<\/strong> 0-250Vac<\/li>\n<li><strong>Output voltage accuracy \u00b11.5% f.s.<\/strong><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>K-factor voltage variators are designed for all the experimentation and testing needs of technical offices, laboratories and industries. they are supplied to have a variable voltage from 0V to 250V with different rated currents. The R10 version includes the variable speed drive controlled by a control PLC that keeps the voltage set constantly within a range of \u00b11.5% f.s., thanks to an output feedback system. It is possible to adjust the output voltage via a <strong>0:10Vdc analogue signal <\/strong>via a connector on the back of the device, or <strong>MODBUS-RTU protocol via USB connector.<\/strong> As standard, an input protection circuit breaker, input and output terminals are mounted at the rear of the device. Available options: digital voltmeter with output voltage reading, ammeter, active power and kWh, automatic output protection switch, surge arrester, output sockets (European standard), regulation by means of a multi-turn potentiometer on the front.<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p style=\"text-align: center;\">model<\/p>\n<\/td>\n<td style=\"text-align: center;\">Current<\/p>\n<p>A<\/td>\n<td style=\"text-align: center;\">MAX<br \/>\nkVA<\/td>\n<td style=\"text-align: center;\" colspan=\"3\">Dimensions mm<\/p>\n<p>WxDxH<\/td>\n<td style=\"text-align: center;\">Weight<br \/>\nkg<\/td>\n<\/tr>\n<tr>\n<td>VAM06F-1NM12R10<\/td>\n<td style=\"text-align: center;\">6<\/td>\n<td style=\"text-align: center;\">1.5<\/td>\n<td style=\"text-align: center;\">340<\/td>\n<td style=\"text-align: center;\">460<\/td>\n<td style=\"text-align: center;\">230<\/td>\n<td style=\"text-align: center;\">20<\/td>\n<\/tr>\n<tr>\n<td>VAM10F-1NM12R10<\/td>\n<td style=\"text-align: center;\">10<\/td>\n<td style=\"text-align: center;\">2.5<\/td>\n<td style=\"text-align: center;\">340<\/td>\n<td style=\"text-align: center;\">460<\/td>\n<td style=\"text-align: center;\">230<\/td>\n<td style=\"text-align: center;\">24<\/td>\n<\/tr>\n<tr>\n<td>VAM14F-1NM12R10<\/td>\n<td style=\"text-align: center;\">15<\/td>\n<td style=\"text-align: center;\">3.75<\/td>\n<td style=\"text-align: center;\">340<\/td>\n<td style=\"text-align: center;\">460<\/td>\n<td style=\"text-align: center;\">250<\/td>\n<td style=\"text-align: center;\">28<\/td>\n<\/tr>\n<tr>\n<td>VAM20F-1NM12R10<\/td>\n<td style=\"text-align: center;\">20<\/td>\n<td style=\"text-align: center;\">5<\/td>\n<td style=\"text-align: center;\">340<\/td>\n<td style=\"text-align: center;\">460<\/td>\n<td style=\"text-align: center;\">250<\/td>\n<td style=\"text-align: center;\">31<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>HIGHER POWERS AVAILABLE ON REQUEST<\/strong><\/p>\n<p><strong>STANDARD TYPE INCLUDES<\/strong><\/p>\n<ul>\n<li>Input circuit breaker<\/li>\n<li>Terminal block contact for adjusting the output voltage via 0:10 analog signal<\/li>\n<li>USB modbus-RTU connector (inside \u2013 outside on request)<\/li>\n<li>Output connectors: terminal block on the back<\/li>\n<li>Instruction manual in Italian\/English (QR code)<\/li>\n<\/ul>\n<p><strong>\u00a0<\/strong><strong>Optionally available on request<\/strong><\/p>\n<ul>\n<li>Output circuit breaker<\/li>\n<li>Digital instrument with voltage, current, active power, kWh reading<\/li>\n<li>Switch for local\/remote control, with multi-turn potentiometer for output voltage regulation<\/li>\n<li>Central socket 125V output<\/li>\n<li>European standard output sockets<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>STABILIZED SINGLE-PHASE VARIABLE autotransformer VAM_R10 series Closed type, motorized model Input: 230Vac 50\/60Hz Stabilized Adjustable Output: 0-250Vac Output voltage accuracy \u00b11.5% f.s. &nbsp; K-factor voltage variators are designed for all the experimentation and testing needs of technical offices, laboratories and industries. they are supplied to have a variable voltage from 0V to 250V with different [&hellip;]<\/p>\n","protected":false},"featured_media":14661,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[230],"product_tag":[336,343,344,308,335,338],"class_list":["post-14644","product","type-product","status-publish","has-post-thumbnail","product_cat-variable-transformers","product_tag-closed-type-variac","product_tag-closed-type-voltage-variator","product_tag-linear-variator","product_tag-transformer-2","product_tag-variac","product_tag-voltage-variable-transformers","has-post-title","has-post-date","has-post-category","has-post-tag","has-post-comment","has-post-author","","first","instock","featured","taxable","shipping-taxable","product-type-variable","has-default-attributes"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>STABILIZED SINGLE-PHASE VARIABLE AUTOTRANSFORMER VAM_R10 SERIES - K-factor<\/title>\n<meta name=\"description\" content=\"VAM-R10 series motorized single-phase voltage variators. Enclosed design with analog and digital remote control for precise 0-250Vac regulation in laboratories and industry.\" \/>\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.kfactor.it\/en\/shop\/variable-transformers\/vam-n-closed-type-single-phase-variable-transformers-from-4a-to-60a-copia\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"STABILIZED SINGLE-PHASE VARIABLE AUTOTRANSFORMER VAM_R10 SERIES - K-factor\" \/>\n<meta property=\"og:description\" content=\"VAM-R10 series motorized single-phase voltage variators. 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