{"id":12756,"date":"2024-04-22T10:14:47","date_gmt":"2024-04-22T08:14:47","guid":{"rendered":"https:\/\/www.kfactor.it\/?post_type=product&#038;p=12756"},"modified":"2026-03-23T19:32:48","modified_gmt":"2026-03-23T18:32:48","slug":"tmib249-267-single-phase-isolation-transformers-for-for-hifi-professional-a-v-systems-and-laboratory-applications","status":"publish","type":"product","link":"https:\/\/www.kfactor.it\/en\/shop\/electrical-transformers\/single-phase-transformers\/tmib249-267-single-phase-isolation-transformers-for-for-hifi-professional-a-v-systems-and-laboratory-applications\/","title":{"rendered":"TMIB249-267 &#8211; SINGLE PHASE ISOLATION TRANSFORMERS for for HiFi, professional A\/V systems and laboratory applications"},"content":{"rendered":"<h3>SINGLE PHASE ISOLATION TRANSFORMERS for for HiFi, professional A\/V systems and laboratory applications<\/h3>\n<h6><strong>Dual Balanced Output <\/strong><strong>technology<\/strong><\/h6>\n<p>isolation transformer with balanced output with Dual Phase + Ground<\/p>\n<p>Very low noise and minimal leakage flow<\/p>\n<p>thanks to the copper electrostatic shield connected to ground and output 115V + 115V + Earth balanced and compatible with any electronic component<\/p>\n<p>Discharges mains noise and harmonics generated by downstream components of the system to the ground<\/p>\n<p><strong><em>Ideal for HiFi, professional A\/V systems and laboratory applications<\/em><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>naturally cooled in air type AN, impregnated in resin and tropicalized.<\/p>\n<p>Separate windings in electrolytic COPPER<\/p>\n<p><strong>ELECTROSTATIC COPPER SHIELD<\/strong> BETWEEN PRIMARY AND SECONDARY GROUNDED<\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p>SPECIFICATIONS<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"364\">Rated Power:<\/td>\n<td style=\"text-align: center;\" width=\"364\"><strong>3000-4000VA<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"364\">Input Voltage:<\/td>\n<td style=\"text-align: center;\" width=\"364\"><strong>230V<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"364\">Output Voltage<\/td>\n<td style=\"text-align: center;\" width=\"364\"><strong>230V (115V+115V)<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"364\">Frequency:<\/td>\n<td style=\"text-align: center;\" width=\"364\"><strong>50\/60 Hz<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"364\">Degree of protection of the transformer only:<\/td>\n<td style=\"text-align: center;\" width=\"364\"><strong>IP00<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"364\">Protection class:<\/td>\n<td style=\"text-align: center;\" width=\"364\"><strong>I<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"364\">Thermal insulation class:<\/td>\n<td style=\"text-align: center;\" width=\"364\"><strong>F<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"364\">Thermal Winding Class:<\/td>\n<td style=\"text-align: center;\" width=\"364\"><strong>F-H<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"364\">Ambient temperature:<\/td>\n<td style=\"text-align: center;\" width=\"364\"><strong>40\u00b0C<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"364\">Max over-temperature rise:<\/td>\n<td style=\"text-align: center;\" width=\"364\"><strong>&lt; 60\u00b0C<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"364\">Max Voltage Drop:<\/td>\n<td style=\"text-align: center;\" width=\"364\"><strong>3%<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"364\">Short Circuit Voltage:<\/td>\n<td style=\"text-align: center;\" width=\"364\"><strong>5% max<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"364\">Efficiency<\/td>\n<td style=\"text-align: center;\" width=\"364\"><strong>&gt; 97%<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"364\">Cooling<\/td>\n<td style=\"text-align: center;\" width=\"364\"><strong>AN<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"364\">Max relative humidity (non-condensing)<\/td>\n<td style=\"text-align: center;\" width=\"364\"><strong>95%<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"364\">Operating Altitude<\/td>\n<td style=\"text-align: center;\" width=\"364\"><strong>up to 1000 m without derating<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"364\">EEC Directives<\/td>\n<td style=\"text-align: center;\" width=\"364\"><strong>Dir. 2014\/35\/EU \u2013 Dir. 2014\/30\/EU (EMC)<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"364\">Standards applied:<\/td>\n<td style=\"text-align: center;\" width=\"364\"><strong>EN 61558-1, EN61558-2-4<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u00a0<\/strong><\/p>\n<p>characteristics<\/p>\n<p>MOUNTED IN IP21 CLOSED METAL ENCLOSURE<\/p>\n<p>BLACK RAL9005 POWDER COATED<\/p>\n<p>LIFTING HANDLES<\/p>\n<p>1P+N INPUT CIRCUIT BREAKER<\/p>\n<p>INPUT TERMINAL BLOCK<strong>\u00a0 \u00a0 \u00a0 \u00a0<\/strong><\/p>\n<p><strong>THERMAL PROTECTION<\/strong>\/C.C. RESETTABLE ON TRANSFORMER PRIMARY<\/p>\n<p>Rating label, manual, CE certificate<\/p>\n<p><strong>DIGITAL VOLTMETER WITH OUTPUT VOLTAGE\/CURRENT\/POWER\/COS-PHI\/ENERGY READING<\/strong><\/p>\n<p><strong>MULTIPLE 5 OUTLET SOCKET<\/strong><\/p>\n<p><strong>Output fuse <\/strong>of adequate capacity for maximum power<\/p>\n<p><strong>Surge arrester<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>SINGLE PHASE ISOLATION TRANSFORMERS for for HiFi, professional A\/V systems and laboratory applications Dual Balanced Output technology isolation transformer with balanced output with Dual Phase + Ground Very low noise and minimal leakage flow thanks to the copper electrostatic shield connected to ground and output 115V + 115V + Earth balanced and compatible with any [&hellip;]<\/p>\n","protected":false},"featured_media":12760,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[226,224],"product_tag":[590,595,598,325],"class_list":["post-12756","product","type-product","status-publish","has-post-thumbnail","product_cat-single-phase-isolation-and-safety-transformers","product_cat-single-phase-transformers","product_tag-madical-use-isolation-transformer","product_tag-medical-use-transformer","product_tag-transformer-for-medical-environment","product_tag-transformers-for-medical-use","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-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>TMIB249-267 - SINGLE PHASE ISOLATION TRANSFORMERS for for HiFi, professional A\/V systems and laboratory applications - K-factor<\/title>\n<meta name=\"description\" content=\"Isolation transformers for medical equipment power supply, single-phase, according to EN 60601-1 standards. Protection and isolation for medical environments.\" \/>\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\/electrical-transformers\/single-phase-transformers\/tmib249-267-single-phase-isolation-transformers-for-for-hifi-professional-a-v-systems-and-laboratory-applications\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TMIB249-267 - SINGLE PHASE ISOLATION TRANSFORMERS for for HiFi, professional A\/V systems and laboratory applications - K-factor\" \/>\n<meta property=\"og:description\" content=\"Isolation transformers for medical equipment power supply, single-phase, according to EN 60601-1 standards. 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