{"id":17814,"date":"2025-07-13T17:07:36","date_gmt":"2025-07-13T09:07:36","guid":{"rendered":"https:\/\/lorentzzi.com\/?p=17814"},"modified":"2025-10-11T20:13:38","modified_gmt":"2025-10-11T12:13:38","slug":"etl-vs-ul-7-differences-you-must-know","status":"publish","type":"post","link":"https:\/\/lorentzzi.com\/es\/etl-vs-ul-7-differences-you-must-know\/","title":{"rendered":"ETL vs UL: 7 diferencias que debe conocer"},"content":{"rendered":"
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Si ahora vive en Norteam\u00e9rica, ver\u00e1 que la mayor\u00eda de sus electrodom\u00e9sticos llevan impresas marcas ETL o UL como las siguientes:<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Marcas\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Ambas marcas demuestran que el producto est\u00e1 certificado por laboratorios relacionados con UL o ETL.<\/span><\/p>

\u00bfQu\u00e9 son ETL y UL? \u00bfQu\u00e9 diferencias hay entre ellos? \u00bfC\u00f3mo se obtienen estos dos certificados?<\/span><\/p>

En este art\u00edculo profundizaremos en estas cuestiones.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\u00bfQu\u00e9 es ETL?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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ETL es la abreviatura de <\/span>Laboratorios de ensayos el\u00e9ctricos<\/b>y la marca es propiedad de Intertek.<\/span><\/p>

Si un producto lleva la marca de certificaci\u00f3n ETL, significa que ha sido sometido a pruebas por un <\/span>NRTL reconocido por OSHA<\/span><\/a><\/span> y cumple las normas de seguridad aplicables en EE.UU. y\/o Canad\u00e1, como UL en EE.UU. o CSA en Canad\u00e1.<\/span><\/p>

Los productos con ETL pueden venderse libremente en los mercados canadiense y estadounidense.<\/span><\/p>

La marca se compara a menudo con <\/span>CCC de China<\/span><\/a><\/span> marca: indica que el producto cumple los requisitos reglamentarios y elimina la mayor\u00eda de los riesgos (como el incendio) si se utiliza correctamente, pero no garantiza un riesgo cero ni exime de la obligaci\u00f3n de cumplir la normativa local de instalaci\u00f3n y uso.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\u00bfQu\u00e9 es UL?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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UL significa <\/span>Laboratorios Underwriters<\/b>.<\/span><\/p>

En sentido estricto, UL en s\u00ed no es un certificado, sino una organizaci\u00f3n independiente que desarrolla y mantiene normas de seguridad para una amplia gama de productos.<\/span><\/p>

Cuando un producto supera los ensayos de terceros y demuestra el cumplimiento de las normas UL aplicables, puede llevar la marca UL Listed o UL Certified.<\/span><\/p>

Si Estados Unidos es su principal mercado, obtener la certificaci\u00f3n UL suele ser esencial.<\/span><\/p>

Confirma que su producto cumple algunos de los requisitos de seguridad m\u00e1s estrictos del sector y que puede utilizarse con un riesgo m\u00ednimo de descarga el\u00e9ctrica, incendio u otros peligros.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\u00bfPor qu\u00e9 necesita un certificado ETL o UL?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Para los productores<\/strong>: Estas dos certificaciones son en realidad un \"pasaporte\" para entrar en el mercado norteamericano: una vez certificado, el producto puede colocarse en las estanter\u00edas de Estados Unidos y Canad\u00e1 sin restricciones; sin certificaci\u00f3n, el producto puede ser bloqueado de hecho y considerado inseguro.<\/span><\/p>

Para vendedores y distribuidores<\/strong>: Pueden vender con confianza productos con certificaci\u00f3n ETL o UL y evitar los posibles riesgos normativos de vender productos de uso arriesgado.<\/span><\/p>

Para los usuarios<\/strong>: En comparaci\u00f3n con los productos sin certificaci\u00f3n, los productos con certificaci\u00f3n ETL o UL pueden proporcionar a los usuarios una protecci\u00f3n de seguridad adicional de acuerdo con las normas ETL o UL, y los usuarios pueden confiar en que pueden utilizar estos productos certificados de forma segura.<\/span><\/p>

En resumen, obtener los certificados ETL o UL es beneficioso para fabricantes, distribuidores y usuarios finales.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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7 diferencias entre los certificados UL y ETL<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Existen siete diferencias principales entre la certificaci\u00f3n ETL y la UL, entre las que se incluyen las normas, la cobertura, el conocimiento de la marca, las tasas, etc. La comparaci\u00f3n detallada es la siguiente:<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\tArt\u00edculo<\/span><\/th>\n\t\t\t \t\t\t\t \n\t\t\t\t\t\t\t\t\t\t\t\t\t\tUL<\/span><\/th>\n\t\t\t \t\t\t\t \n\t\t\t\t\t\t\t\t\t\t\t\t\t\tETL<\/span><\/th>\n\t\t\t \t\t\t\t <\/tr>\n\t\t\t <\/thead>\n\t\t\t \t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tDesarrollo est\u00e1ndar\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tCrea y tiene sus propias normas UL\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tAdopta normas (incluidas las UL) de otros organismos\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\u00c1mbito de cobertura\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tM\u00e1s amplio (reciclaje, energ\u00edas renovables, etc.)\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tSe centra principalmente en la electr\u00f3nica\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tPrestigio de la marca\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tMayor reconocimiento y prestigio\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tRelativamente inferior\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tCoste y tiempo\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tMayor coste, mayor plazo de entrega\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tMenor coste, mayor rapidez\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tNormas de ensayo\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tMismas normas NRTL que ETL\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tMismas normas NRTL que UL\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tVigilancia de seguimiento\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tInspecciones trimestrales peri\u00f3dicas, etc.\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tInspecciones trimestrales peri\u00f3dicas, etc.\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tMarca de certificaci\u00f3n\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t3 tipos: Marca UL Listed, UL Certified, UL Classified\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tListado ETL\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t <\/tbody>\n\t\t\t<\/table>\n\t\t<\/div>\n\t \t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\u00bfC\u00f3mo obtener un certificado ETL o UL?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Proceso de obtenci\u00f3n de la certificaci\u00f3n ETL:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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  1. P\u00f3ngase en contacto y env\u00ede las especificaciones del producto, la lista de componentes clave, fotos del producto y el mercado de ventas previsto (EE.UU.\/Canad\u00e1) a <\/span>Intertek<\/span><\/a><\/span>,<\/span><\/li>
  2. Intertek devolver\u00e1: normas aplicables, plan de pruebas, presupuesto y estimaci\u00f3n del ciclo,<\/span><\/li>
  3. Rellene el \"Formulario de informaci\u00f3n del cliente\",<\/span><\/li>
  4. Env\u00ede 2-3 juegos completos de muestras al laboratorio NRTL de Intertek,<\/span><\/li>
  5. Obtenga un \"Informe de Datos Estructurales\" (CDR) despu\u00e9s de aprobar,<\/span><\/li>
  6. Revisar las l\u00edneas de producci\u00f3n, los instrumentos clave y los documentos de control de calidad;<\/span><\/li>
  7. Realice una inspecci\u00f3n de seguimiento cada trimestre,<\/span><\/li>
  8. Firme el \"Acuerdo de certificaci\u00f3n ETL\",<\/span><\/li><\/ol>

    El ciclo normal de certificaci\u00f3n es de 4-6 semanas, y si hay una necesidad urgente, puede acelerarse a 2-3 semanas.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

    \n\t\t\t\t
    \n\t\t\t\t\t

    Proceso de obtenci\u00f3n de la certificaci\u00f3n UL:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
    \n\t\t\t\t
    \n\t\t\t\t\t\t\t\t\t
    1. Presentar un \"<\/span>Solicitud de presupuesto<\/span><\/a><\/span>\" en el sitio web oficial de UL, describen las funciones del producto y el mercado previsto,<\/span><\/li>
    2. Env\u00ede el esquema de circuitos, la lista de materiales, el esquema de la carcasa, el manual de instalaci\u00f3n\/usuario, la placa de caracter\u00edsticas, etc. al laboratorio UL,<\/span><\/li>
    3. Proporcionar muestras, el n\u00famero de muestras es de 2-6,<\/span><\/li>
    4. Evaluaci\u00f3n preliminar (revisi\u00f3n de la construcci\u00f3n) y pruebas formales; si hay disconformidades, hay que corregirlas y volver a probarlas.<\/span><\/li>
    5. Los ingenieros de UL acudir\u00e1n a la f\u00e1brica para revisar la coherencia, los equipos de ensayo y los registros, y seguir\u00e1n realizando inspecciones de seguimiento cada trimestre o medio a\u00f1o,<\/span><\/li>
    6. Tras superar el ensayo y la inspecci\u00f3n en f\u00e1brica, UL emitir\u00e1 uno de los tres certificados de listado\/clasificaci\u00f3n\/componente reconocido y autorizar\u00e1 el uso de la marca UL correspondiente.<\/span><\/li><\/ol>

      El tiempo de certificaci\u00f3n necesario es de 8 a 12 semanas para proyectos normales; de 12 a 20 semanas para proyectos complejos.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

      \n\t\t\t\t
      \n\t\t\t\t\t

      Conclusi\u00f3n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
      \n\t\t\t\t
      \n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Foto\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
      \n\t\t\t\t
      \n\t\t\t\t\t\t\t\t\t

      En conclusi\u00f3n, aunque UL es m\u00e1s conocido y popular que ETL, si busca una forma econ\u00f3mica de entrar en el mercado norteamericano, ETL es la mejor opci\u00f3n, y debe preguntar a sus clientes si el certificado ETL es aceptable o no.<\/span><\/p>

      Lorentzzi<\/a><\/span><\/strong>como proveedor l\u00edder de productos industriales en China, puede proporcionarle <\/span>controladores de temperatura<\/span><\/a><\/span>, <\/span>rel\u00e9s de estado s\u00f3lido<\/span><\/a><\/span>, <\/span>reguladores de potencia de tiristores<\/span><\/a><\/span>, <\/span>sensores de proximidad<\/span><\/a><\/span>, <\/span>codificadores rotatorios incrementales<\/span><\/a><\/span>, <\/span>temporizadores y contadores<\/span><\/a><\/span>.<\/span><\/p>

      Si necesita que nuestros productos tengan certificaci\u00f3n UL o ETL, tambi\u00e9n podemos obtener estos certificados.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

      If you live in North America now, you will find that most of your home appliances are printed with ETL or UL marks like following: Both of these marks prove that the product is certified by UL or ETL related laboratories. So what are ETL and UL? What are the differences between them? How to […]<\/p>\n","protected":false},"author":1,"featured_media":17815,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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