... according to IEC 60529 or IEC 6003 4-5 IP4X minimum IP4X minimum IP4X minimum IP3X minimumResistance ofenclosure to impact IEC 6007 9-0 , table 4 IEC 6007 9-0 ,table 4 IEC 6007 9-0 , table 4 IEC 6007 9-0 , ... ``,`,`,,,,`,,,,`,```,``````, `-` -` ,,`,,`,`,,` 6007 9-2 © IEC: 2001 – 15 – IEC 60050(426), International Electrotechnical Vocabulary – Chapter 426: Electrical apparatusfor explosive atmospheres IEC 6007 9-0 :1998, Electrical ... also available from the following:• IEC Web Site (www .iec. ch)• Catalogue of IEC publicationsThe on-line catalogue on the IEC web site(www .iec. ch/catlg-e.htm) enables you to searchby a variety...