{"id":24270,"date":"2022-03-04T14:59:19","date_gmt":"2022-03-04T14:59:19","guid":{"rendered":"https:\/\/ardetem-sfere.com\/product\/reles-diferencials-elr21-31-tipus-b\/"},"modified":"2023-11-13T19:22:16","modified_gmt":"2023-11-13T17:22:16","slug":"reles-diferencials-elr21-31-tipus-b-2","status":"publish","type":"product","link":"https:\/\/ardetem-sfere.com\/ca\/produit\/reles-diferencials-elr21-31-tipus-b-2\/","title":{"rendered":"Rel\u00e9s diferencials ELR21-31 \/ TIPUS B"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<h5><span><b><span lang=\"EN-GB\"><a href=\"https:\/\/ardetem-sfere.com\/ca\/produit\/reles-diferencials-tipus-b-elrv21-31-sfere\/\"><span style=\"color: #ff0000;\">SUBSTITU\u00cfT PELS NOUS MODELS ELRV21-31 SFERE | ELRV21-31 !!!<\/span><\/a><\/span><\/b><\/span><\/h5>\n<p><strong>Els rel\u00e9s diferencials ELR21-31 estan dissenyats per limitar el <em>corrent de fuites<\/em><\/strong><strong><em> a terra del tipus B.<\/em> <\/strong><\/p>\n<p>Associats a un transformador diferencial de mesura i un disjuntor permeten realitzar en xarxes de baixa tensi\u00f3 del tipus TT, IT, TNS les funcions seg\u00fcents:<\/p>\n<ul>\n<li><strong>Protecci\u00f3 de contactes directes<\/strong><\/li>\n<li><strong>Protecci\u00f3 complement\u00e0ria de contactes indirectes<\/strong><\/li>\n<li><strong>Limitaci\u00f3 del corrent de fuites<\/strong><\/li>\n<li><strong><strong>Protecci\u00f3 contra incendis<br \/>\n<\/strong><\/strong><\/li>\n<\/ul>\n<p><span>La seva immunitat refor\u00e7ada i la seva t\u00e8cnica de mesura TRMS garanteixen la m\u00e0xima seguretat i continu\u00eftat del funcionament el\u00e8ctric, evitant talls intempestius.<\/span><\/p>\n<p><strong><u><em>ESPECIFICACIONS T\u00c8CNIQUES<\/em><br \/>\n<\/u><\/strong><\/p>\n<ul>\n<li><strong><u><\/u><\/strong>Visualitzaci\u00f3 permanent del corrent de fuga instant\u00e0nia<\/li>\n<li>Visualitzaci\u00f3 del corrent de bloqueig<\/li>\n<li>Sensibilitat programable: 30 mA a 3 A<\/li>\n<li>2 sortides de rel\u00e9 d&#8217;alarma i prealarma<br \/>\n<strong><\/strong><\/li>\n<li><strong>Cicle de reactivaci\u00f3 programable (model ELR30)<br \/>\n<\/strong><\/li>\n<li>Proveu i reinicieu les alarmes des del teclat o mitjan\u00e7ant una comanda externa<\/li>\n<li>Prova de connexi\u00f3 amb el transformador diferencial<\/li>\n<li>A\u00efllament galv\u00e0nic: 2KV<\/li>\n<li>Per a muntatge en carril DIN<\/li>\n<li>Alimentaci\u00f3: de 20 a 270 vac i de 20 a 300 vdc<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/ardetem-sfere.com\/wp-content\/uploads\/2026\/10\/ce.webp\" alt=\"\" width=\"68\" height=\"68\" class=\"alignnone size-full wp-image-9696\" style=\"font-size: 1rem;\" \/><\/p>\n<p><strong><a href=\"http:\/\/ardetem-sfere.com\/download\/10475\/\">DATASHEET (pdf)<\/a><img decoding=\"async\" src=\"https:\/\/ardetem-sfere.com\/wp-content\/uploads\/2022\/01\/logo-pdf.jpg\" alt=\"\" width=\"24\" height=\"24\" class=\"alignnone size-full wp-image-9976\" \/> | <a href=\"http:\/\/ardetem-sfere.com\/download\/10480\/\">MANUAL (pdf)<\/a><img decoding=\"async\" src=\"https:\/\/ardetem-sfere.com\/wp-content\/uploads\/2022\/01\/logo-pdf.jpg\" alt=\"\" width=\"24\" height=\"24\" class=\"alignnone size-full wp-image-9976\" \/> |<\/strong><\/p>\n","protected":false},"featured_media":39863,"template":"","meta":{"rs_blank_template":"","rs_page_bg_color":"","slide_template_v7":""},"product_brand":[651],"product_cat":[485],"product_tag":[],"class_list":["post-24270","product","type-product","status-publish","has-post-thumbnail","product_brand-sfere","product_cat-reles-diferencials","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/ardetem-sfere.com\/ca\/wp-json\/wp\/v2\/product\/24270","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ardetem-sfere.com\/ca\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ardetem-sfere.com\/ca\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ardetem-sfere.com\/ca\/wp-json\/wp\/v2\/media\/39863"}],"wp:attachment":[{"href":"https:\/\/ardetem-sfere.com\/ca\/wp-json\/wp\/v2\/media?parent=24270"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ardetem-sfere.com\/ca\/wp-json\/wp\/v2\/product_brand?post=24270"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ardetem-sfere.com\/ca\/wp-json\/wp\/v2\/product_cat?post=24270"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ardetem-sfere.com\/ca\/wp-json\/wp\/v2\/product_tag?post=24270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}