[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-288046-105":3,"detail-sidebar-cat-1-en-105":80,"doc-detail-288046-en":126},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":73,"head_meta":75,"extra_data":77,"updated_unix":79},105,"en","letter-of-attestation-otdc250-400-switches","Letter of Attestation - OTDC250-400 Switches","","This Letter of Attestation, issued by the CSA Group on July 8, 2014, confirms that the OTDC250, OTDC320, and OTDC400 series switches from ABB Oy have been evaluated for compliance with specified Canadian and American safety standards. The document certifies that these open-type switches, intended for use in photovoltaic systems, meet requirements established in UL 98, UL 98B, and CAN/CSA-C22.2 standards. It serves as formal documentation of the successful review of descriptive and test reports, confirming alignment with relevant industry safety regulations for photovoltaic switchgear applications. Please note that this attestation does not permit the use of the CSA mark on the identified products without further written authorization.",{"@graph":14,"@context":72},[15,34,55],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/template/","Template",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/template/letters/","Letters",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/template/letter-of-attestation-otdc250-400-switches/288046/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/letter-of-attestation-otdc250-400-switches/288046.png","ImageObject",442,249,{"name":42,"@type":43},"Mimi","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-09-20","2026-09-17",true,{"@type":52,"interactionType":53,"userInteractionCount":33},"InteractionCounter",{"@type":54},"ViewAction",{"@type":56,"mainEntity":57},"FAQPage",[58,64,68],{"name":59,"@type":60,"acceptedAnswer":61},"What is the purpose of this Letter of Attestation?","Question",{"text":62,"@type":63},"It confirms that the CSA Group has completed an evaluation of specific ABB Oy switch models and found them to be in compliance with applicable safety standards for photovoltaic systems.","Answer",{"name":65,"@type":60,"acceptedAnswer":66},"Does this document authorize the use of the CSA mark on the products?",{"text":67,"@type":63},"No, this letter specifically states that it does not authorize the use of the CSA mark on the subject products.",{"name":69,"@type":60,"acceptedAnswer":70},"Which product models are covered by this attestation?",{"text":71,"@type":63},"The document covers ABB Oy switch models OTDC250, OTDC320, and OTDC400, followed by their respective suffixes.","https://schema.org",{"og:url":32,"og:type":74,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":76,"canonical":32},"index,follow",{"doc_id":78,"site_id":7},288046,1789633031,{"code":4,"msg":81,"data":82},"success",[83,88,93,98,103,108,113,117,122],{"id":84,"doc_module":22,"doc_module_name":25,"category_name":85,"show_sort_weight":86,"slug":87},11,"Presentations",90,"presentations",{"id":89,"doc_module":22,"doc_module_name":25,"category_name":90,"show_sort_weight":91,"slug":92},12,"Resumes",80,"resumes",{"id":94,"doc_module":22,"doc_module_name":25,"category_name":95,"show_sort_weight":96,"slug":97},14,"Invoices",70,"invoices",{"id":99,"doc_module":22,"doc_module_name":25,"category_name":100,"show_sort_weight":101,"slug":102},15,"Posters",60,"posters",{"id":104,"doc_module":22,"doc_module_name":25,"category_name":105,"show_sort_weight":106,"slug":107},16,"Social Media",50,"social-media",{"id":109,"doc_module":22,"doc_module_name":25,"category_name":110,"show_sort_weight":111,"slug":112},17,"Forms",40,"forms",{"id":114,"doc_module":22,"doc_module_name":25,"category_name":29,"show_sort_weight":115,"slug":116},18,30,"letters",{"id":118,"doc_module":22,"doc_module_name":25,"category_name":119,"show_sort_weight":120,"slug":121},21,"Paper Templates",5,"papers-templates",{"id":123,"doc_module":22,"doc_module_name":25,"category_name":124,"show_sort_weight":4,"slug":125},158,"General","general-158",{"code":4,"msg":81,"data":127},{"doc_id":78,"user_id":128,"nickname":42,"user_avatar":129,"doc_module":22,"category_id":114,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":130,"file_id":131,"file_url":132,"file_type":133,"file_size":134,"view_count":33,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":22,"language":135,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":136,"faqs":137,"seo_title":138,"seo_description":12,"update_tm":79,"read_time":4},2336477974920,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","Letter of Attestation  \nDocument: (Ed. 1 2734446) Master Contract: 166157  \nProject: 2734446 Date Issued: 2014-07-08  \nIssued to: Attn: Mr. Kirsi Laine  \nABB Oy  \nBreakers and Switches,, Stromberg Industrial Park  \nPO Box 622, FIN-65101 Vaasa,  \nFinland  \nCSA Group, Certification and Testing hereby confirms that it has completed an evaluation of  \nClass 4651 02 SWITCHES Dead-front (Open Type)  \nTypes OTDC250, OTDC320 and OTDC400 followed with suffixes, Switches, open type, for use in Photovoltaic Systems to the draft std. C22.2 No.304 (Enclosed and Dead-Front Switches for use in Photovoltaic Systems) based on review of UL descriptive & test report to UL98B  \nCSA Group, Certification and Testing hereby attests that the products identified above and described  \n\n|  | in test report 2734446 dated July 8, 2014 |  |\n| --- | --- | --- |\n| complies with the following standards/tests, to the extent applicable: |  |  |\n\nUL 98-Thirteenth Edition, Dated February 25, 2004-Enclosed and Dead-Front Switches  \nUL98B, Edition 1, Issue Date 2010/08/11 -Outline of Investigation for Enclosed and Dead-Front  \nSwitches for use in Photovoltaic Systems.  \nCAN/CSA-C22 .2 No. 4-04, Seventh Edition -Enclosed and Dead-Front Switches  \nCAN/CSA– C22 .2 No. 304 -Draft Standard for Enclosed and Dead-Front Switches for  \nuse in Photovoltaic Systems.  \nIssued by: Ramana Tangirala  \nRamana Tangirala, P.Eng.  \nCertification Engineer  \nTHIS LETTER OF ATTESTATION DOES NOT AUTHORIZE THE USE OF THE CSA MARK ON THE SUBJECT PRODUCTS.  \nQUOTATIONS FROM THE TEST REPORT OR THE USE OF THE NAME OF THE CANADIAN STANDARDS ASSOCIATION AND CSA GROUP OR ITS REGISTERED TRADEMARK, IN ANY WAY, ISNOT PERMITTED WITHOUT PRIOR WRITTEN CONSENT OF THE CANADIAN STANDARDS ASSOCIATION OPERATING AS CSA GROUP, CERTIFICATION AND TESTING DIVISION.  \nDQD 507.06 Rev. 2013-10-28","cbCaig0n6NoFk9cK","https://ap.wps.com/l/cbCaig0n6NoFk9cK","pdf",29227,"English","# Evaluation Overview\n## Compliance Standards\n## Certification Details","[{\"question\":\"What is the purpose of this Letter of Attestation?\",\"answer\":\"It confirms that the CSA Group has completed an evaluation of specific ABB Oy switch models and found them to be in compliance with applicable safety standards for photovoltaic systems.\"},{\"question\":\"Does this document authorize the use of the CSA mark on the products?\",\"answer\":\"No, this letter specifically states that it does not authorize the use of the CSA mark on the subject products.\"},{\"question\":\"Which product models are covered by this attestation?\",\"answer\":\"The document covers ABB Oy switch models OTDC250, OTDC320, and OTDC400, followed by their respective suffixes.\"}]","Letter of Attestation - OTDC250-400 Switches | PDF"]