{"id":22105,"date":"2026-01-14T09:22:44","date_gmt":"2026-01-14T08:22:44","guid":{"rendered":"https:\/\/www.saci.es\/?post_type=product&#038;p=22105"},"modified":"2026-03-18T14:48:51","modified_gmt":"2026-03-18T13:48:51","slug":"tup-r-single-pole-earthing-transformers","status":"publish","type":"product","link":"https:\/\/www.saci.es\/en\/producto\/tup_r-transformadores-de-proteccion-homopolares\/","title":{"rendered":"TUP_R Protection transformers (homopolar)"},"content":{"rendered":"<p>Current transformers for the measurement of homopolar currents. They have a low transformation ratio and high sensitivity.<\/p>\n<p>These large window-type transformers allow all 3 current phases to pass through the transformer core in order to detect current unbalance (or earth leakage currents if the neutral is included).<\/p>\n<p>They are designed to accommodate several cables, but can also be used with busbars. They are encapsulated in resin.<\/p>","protected":false},"excerpt":{"rendered":"<p>Current transformers for the measurement of homopolar currents. They have a low transformation ratio and high sensitivity.<\/p>\n<p>These large window-type transformers allow all 3 current phases to pass through the transformer core in order to detect current unbalance (or earth leakage currents if the neutral is included).<\/p>\n<p>They are designed to accommodate several cables, but can also be used with busbars. They are encapsulated in resin.<\/p>\n<p><strong>TUP310R<\/strong> \/ 310\u00d780<br \/>\n<strong>TUP300R<\/strong> \/ 384\u00d784<br \/>\n<strong>TUP900R <\/strong>\/ 905\u00d7145<\/p>\n<p>&nbsp;<\/p>","protected":false},"featured_media":22191,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[30,18,230,231],"product_tag":[],"class_list":["post-22105","product","type-product","status-publish","has-post-thumbnail","product_cat-infraestructura","product_cat-transformadores","product_cat-transformadores-de-interior","product_cat-transformadores-de-proteccion","","woocommerce-text-align-left","woocommerce-image-align-center","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>TUP_R Transformadores de protecci\u00f3n (homopolares) | SACI<\/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:\/\/www.saci.es\/en\/product\/tup-r-single-pole-earthing-transformers\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TUP_R Transformadores de protecci\u00f3n (homopolares) | SACI\" \/>\n<meta property=\"og:description\" content=\"Transformadores de intensidad para la medici\u00f3n de corrientes homopolares. Cuentan con una baja relaci\u00f3n de transformaci\u00f3n y alta sensibilidad.  Estos transformadores de primario pasante de grandes dimensiones permiten introducir las 3 fases de corriente por el n\u00facleo del transformador para detectar desequilibrios de intensidad (o fugas a tierra si se incluye el neutro).  Est\u00e1n dise\u00f1ados para acoger varios cables, pero pueden ser utilizados tambi\u00e9n con pletinas. Est\u00e1n encapsulados en resina.  TUP310R \/ 310x80 TUP300R \/ 384x84 TUP900R \/ 905x145  &nbsp;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.saci.es\/en\/product\/tup-r-single-pole-earthing-transformers\/\" \/>\n<meta property=\"og:site_name\" content=\"SACI\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-18T13:48:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.saci.es\/wp-content\/uploads\/2026\/02\/TUP900R-LQ.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"591\" \/>\n\t<meta property=\"og:image:height\" content=\"591\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.saci.es\\\/producto\\\/tup_r-transformadores-de-proteccion-homopolares\\\/\",\"url\":\"https:\\\/\\\/www.saci.es\\\/producto\\\/tup_r-transformadores-de-proteccion-homopolares\\\/\",\"name\":\"TUP_R Transformadores de protecci\u00f3n (homopolares) | SACI\",\"isPartOf\":{\"@id\":\"\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.saci.es\\\/producto\\\/tup_r-transformadores-de-proteccion-homopolares\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.saci.es\\\/producto\\\/tup_r-transformadores-de-proteccion-homopolares\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.saci.es\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/TUP900R-LQ.jpg\",\"datePublished\":\"2026-01-14T08:22:44+00:00\",\"dateModified\":\"2026-03-18T13:48:51+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.saci.es\\\/producto\\\/tup_r-transformadores-de-proteccion-homopolares\\\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.saci.es\\\/producto\\\/tup_r-transformadores-de-proteccion-homopolares\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\\\/\\\/www.saci.es\\\/producto\\\/tup_r-transformadores-de-proteccion-homopolares\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.saci.es\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/TUP900R-LQ.jpg\",\"contentUrl\":\"https:\\\/\\\/www.saci.es\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/TUP900R-LQ.jpg\",\"width\":591,\"height\":591},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.saci.es\\\/producto\\\/tup_r-transformadores-de-proteccion-homopolares\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Portada\",\"item\":\"https:\\\/\\\/www.saci.es\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"TUP_R Transformadores de protecci\u00f3n (homopolares)\"}]},{\"@type\":\"WebSite\",\"@id\":\"\\\/#website\",\"url\":\"\\\/\",\"name\":\"SACI\",\"description\":\"Dise\u00f1o, fabricaci\u00f3n y comercializaci\u00f3n de equipos orientados al Control y Eficiencia Energ\u00e9tica El\u00e9ctrica\",\"publisher\":{\"@id\":\"\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Organization\",\"@id\":\"\\\/#organization\",\"name\":\"SACI\",\"url\":\"\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.saci.es\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/SACI.svg\",\"contentUrl\":\"https:\\\/\\\/www.saci.es\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/SACI.svg\",\"caption\":\"SACI\"},\"image\":{\"@id\":\"\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"TUP_R Protective (Homopolar) Transformers | SACI","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.saci.es\/en\/product\/tup-r-single-pole-earthing-transformers\/","og_locale":"en_GB","og_type":"article","og_title":"TUP_R Transformadores de protecci\u00f3n (homopolares) | SACI","og_description":"Transformadores de intensidad para la medici\u00f3n de corrientes homopolares. 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