{"id":821,"date":"2023-12-19T14:30:08","date_gmt":"2023-12-19T06:30:08","guid":{"rendered":"https:\/\/www.britecelectric.com\/?post_type=blog&p=821"},"modified":"2024-09-05T16:32:40","modified_gmt":"2024-09-05T08:32:40","slug":"ul-1449-4th-edition","status":"publish","type":"blog","link":"https:\/\/www.britecelectric.com\/es\/blog\/ul-1449-4th-edition\/","title":{"rendered":"UL 1449 4.\u00aa edici\u00f3n"},"content":{"rendered":"Introducci\u00f3n<\/strong>\r\n\r\nUL 1449 4th edition assigns type designations to Surge Protective Devices (SPD) (1, 2, 3, 4, 5) reflecting the installation locations within the electrical distribution system. These designations were adopted from IEEE categories C, B, & A respectively\r\n\r\nComprehending the various location categories presented by UL 1449 4th Edition will not only provide a better understanding as to where these type of products are installed, but will also assist in selecting the proper SPD for that particular application.\r\n\r\nThe newly issued UL 1449 4th Edition is the standard for safety and is the preferred standard for all AC surge protection devices (SPDs).\r\n\r\nDefinici\u00f3n oficial<\/strong>\r\n\r\nRequisitos que cubren los dispositivos de protecci\u00f3n contra sobretensiones (SPD) dise\u00f1ados para limitar repetidas sobretensiones transitorias como se especifica en la norma en circuitos de alimentaci\u00f3n de 50 o 60 Hz que no excedan los 1000 V.\r\n\r\nEst\u00e1ndares UL SPD<\/strong>\r\n\r\nSURGE PROTECTIVE DEVICES \u2014 UL 1449, 4th Edition, Section 1 effective August 20, 2014, states the following on UL Types covering enclosed and open-type Surge Protective Devices (SPDs) designed for repeated limiting of transient voltage surges as specified in the standard on 50 or 60 Hz power circuits not exceeding 1000 V and for PV applications up to 1500Vdc and designated as follows:\r\n\r\nType 1 \u2014 one port, permanently connected SPDs, except for watt-hour meter socket enclosures, intended for installation between the secondary of the service transformer and the line side of the service equipment overcurrent device, as well as the load side, including watt-hour meter socket enclosures and Molded Case SPDs intended to be installed without an external overcurrent protective device. Type 1 SPDs for use in PV systems can be connected between the PV array and the main service disconnect.\r\n\r\nType 2 \u2014 permanently connected SPDs intended for installation on the load side of the service equipment overcurrent device; including SPDs located at the branch panel and Molded Case SPDs.\r\n\r\nType 3 \u2014 Point of utilization SPDs, installed at a minimum conductor length of 10 meters (30 feet) from the electrical service panel to the point of utilization, for example cord connected, direct plug-in, receptacle type and SPDs installed at the utilization equipment being protected. See marking in 80.3. The distance (10 meters) is exclusive of conductors provided with or used to attach SPDs.\r\n\r\nType 4 Component Assemblies \u2014 Component assembly consisting of one or more Type 5 components together with disconnect (integral or external) or a means of complying with the limited current tests in 44.4.\r\n\r\nType 1, 2, 3 Component Assemblies \u2014 consists of a Type 4 component assembly with internal or external short circuit protection.\r\n\r\nType 5 \u2014 Discrete component surge suppressors, such as MOVs that may be mounted on a PWB, connected by its leads or provided within an enclosure with mounting means and wiring terminations.","protected":false},"featured_media":822,"parent":0,"menu_order":166,"template":"","meta":{"_acf_changed":false},"blog_category":[8],"class_list":["post-821","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_category-company-news"],"acf":{"des":"UL 1449 4th edition assigns type designations to Surge Protective Devices (SPD) (1, 2, 3, 4, 5) reflecting the installation locations within the electrical distribution system. These designations were adopted from IEEE categories C, B, & A respectively","txt":"Introduction<\/strong>\r\n\r\nUL 1449 4th edition assigns type designations to Surge Protective Devices (SPD) (1, 2, 3, 4, 5) reflecting the installation locations within the electrical distribution system. These designations were adopted from IEEE categories C, B, & A respectively\r\n\r\nComprehending the various location categories presented by UL 1449 4th Edition will not only provide a better understanding as to where these type of products are installed, but will also assist in selecting the proper SPD for that particular application.\r\n\r\nThe newly issued UL 1449 4th Edition is the standard for safety and is the preferred standard for all AC surge protection devices (SPDs).\r\n\r\nOfficial Definition<\/strong>\r\n\r\nRequirements that cover surge protective devices (SPDs) designed for repeated limiting of transient voltage surges as specified in the standard on 50 or 60 Hz power circuits not exceeding 1000 V.\r\n\r\nUL SPD standards<\/strong>\r\n\r\nSURGE PROTECTIVE DEVICES \u2014 UL 1449, 4th Edition, Section 1 effective August 20, 2014, states the following on UL Types covering enclosed and open-type Surge Protective Devices (SPDs) designed for repeated limiting of transient voltage surges as specified in the standard on 50 or 60 Hz power circuits not exceeding 1000 V and for PV applications up to 1500Vdc and designated as follows:\r\n\r\nType 1 \u2014 one port, permanently connected SPDs, except for watt-hour meter socket enclosures, intended for installation between the secondary of the service transformer and the line side of the service equipment overcurrent device, as well as the load side, including watt-hour meter socket enclosures and Molded Case SPDs intended to be installed without an external overcurrent protective device. Type 1 SPDs for use in PV systems can be connected between the PV array and the main service disconnect.\r\n\r\nType 2 \u2014 permanently connected SPDs intended for installation on the load side of the service equipment overcurrent device; including SPDs located at the branch panel and Molded Case SPDs.\r\n\r\nType 3 \u2014 Point of utilization SPDs, installed at a minimum conductor length of 10 meters (30 feet) from the electrical service panel to the point of utilization, for example cord connected, direct plug-in, receptacle type and SPDs installed at the utilization equipment being protected. See marking in 80.3. The distance (10 meters) is exclusive of conductors provided with or used to attach SPDs.\r\n\r\nType 4 Component Assemblies \u2014 Component assembly consisting of one or more Type 5 components together with disconnect (integral or external) or a means of complying with the limited current tests in 44.4.\r\n\r\nType 1, 2, 3 Component Assemblies \u2014 consists of a Type 4 component assembly with internal or external short circuit protection.\r\n\r\nType 5 \u2014 Discrete component surge suppressors, such as MOVs that may be mounted on a PWB, connected by its leads or provided within an enclosure with mounting means and wiring terminations."},"_links":{"self":[{"href":"https:\/\/www.britecelectric.com\/es\/wp-json\/wp\/v2\/blog\/821","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.britecelectric.com\/es\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/www.britecelectric.com\/es\/wp-json\/wp\/v2\/types\/blog"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.britecelectric.com\/es\/wp-json\/wp\/v2\/media\/822"}],"wp:attachment":[{"href":"https:\/\/www.britecelectric.com\/es\/wp-json\/wp\/v2\/media?parent=821"}],"wp:term":[{"taxonomy":"blog_category","embeddable":true,"href":"https:\/\/www.britecelectric.com\/es\/wp-json\/wp\/v2\/blog_category?post=821"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}