UL 50-2007 用于封闭空间的电动设备标准.pdf
文档页数:62文档大小:815.66KB文档格式:pdfUL 50Enclosures for ElectricalEquipment ,Non-EnvironmentalConsiderationsUL COPYRIGHTED MATERIALNOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIALNOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULThis PDF Standard downloaded from. . SEPTEMBER 4 .2007 - UL50Underwriters Laboratories Inc .( UL) 333 Pfingsten RoadNorthbrook .IL 60062-2096UL Standard for Safety for Enclosures for Electrical Equipment ,Non-Environmental Considerations ,UL 50Twelfth Edition ,Dated September 4 ,2007Summary of TopicsThis new twelfth edition of ANSI /ULis the result of the harmonization effort to develop atri-national standard covering requirements for enclosures for electrical equipment .The twelfthedition of UL 50 contains the non-environmental construction ,performance ,and markingrequirements for enclosures .The requirements for enclosure construction ,performance ,andmarkings based on environmental type rating designations have been organized into newstandard ,UL 50E ,Standard for Enclosures for Electrical Equipment ,EnvironmentalConsiderations . The new requireme...
本文来自九江凉月投稿,不代表文丁图集立场,如若转载,请注明出处:https://www.2b34.com/blog/178141.html

微信扫一扫