1、I . I I Rue dm Stabbart. 35 - B 1050 Sruxellea T6l.: (+ 32 2) 519.68.71 - Fax: (+ 32 2) 519.69.19 TOlOtOX 206 2210087 - CENCEL - TX 172210097 INFORMATION HD k78.2.6 SI I )ssue i 1993-02-15 I February 1992 Classification of environmontal conditions Part 2: Environmontal Conditions appoaring in nature
2、 Earthquake vibration and shock Classification dos conditions Klassifizierung von denvironnemont Unwoltbodingungon Partie 2: Conditions denvironnement Teil 2: Natrliche Einflsse prisontes dans la nature VibrltiOnS et chocs sismiques Seismische Einflsse RD: IEC 721-2-6:1990 Related to Directive: - Th
3、is Harmonization Document consists of the following: - Title Page - Endorsomont notice date of ratification : 1992-12-09 date of announcement : 1993-06-01 date of withdrawal : 1993-12-01 date of latest publication : 1993-12-01 LIST OF NATIONAL STANDARDS IS GIVEN OVERLEAF 3404583 0058827 904 HARMONIZ
4、ED NATIONAL STANDARDS HO 618.2.6 S1:1993 AT : BE : NOS CH : NOS DE : NOS OK : NOS ES : FI : NOS FR : NOS GB : NOS GR : NOS I : NOS IS : IT : NOS LU : NOS NL : NO : PT : NOS SE : NOS NOS No standard SP Standard in preparation NR Standard under revision m 3404583 0058828 840 m ?. HARMONIZATION DOCUMEN
5、T HO 478.2.6 S1 DOCUMENT DHARMONISATION HARHONISIRUN6SOOKUMNl February 1993 UDC 621.3:620.193 Descriptors: Electronic component, electrotechnical component, electrical equipment, electronic equipment, storage condition, use condition, vibration, mechanical shock, seismic intensity ENCLISH VERSION Cl
6、8ssification of environmontal conditions Part 2: Environmontal conditions appearing in nature Earthquako vibration and shock IIEC 721-2-6:1990) Classification d8S conditions denvironnmont Partie 2: Conditions denvironnement prsentes dans la nature Vibrations et chocs sisniques (CE1 721-2-6:1990) Thi
7、s Harmonization Document was approved by CENELEC on 1992-12-09. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate th8 conditions for implementation of this Harmonization Document on a national level. Up-to-date lists and bibliographical references concerni
8、ng national implementation may be obtained on application to the Central Secretariat or to any CENELEC member. This Harmonization DOCUai8nt exists in three official versions (English, French, German i. CENELEC members are the national electrotechnical committees of Austria, Belgium. Denmark, Finland
9、, France, G8rmany, Gr88Ce, Iceland , Ireland, Italy , Luxembourg , Netherlands, Norwry, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC Europoan Coninittee for El8CtrOtOChniCal Stand8rdiZatiOn Comit Europien d8 Normalisation Eloctrotochnique EUrOpiSCh8S KOmite8 fr Elektrotechnische
10、Normung (J 1993 Copyright reS8rV8d to CENELEC niOmb8rS Ref. No. HD b78.2.6 S1:1993 E D 3404583 0058829 787 D Page 2 HD 478.2.6 S1:1993 FORWORD The CENELEC questionnaire procedure, performed for finding out whether or not the International Standard IEC 721-2-631990 could be accepted without textual c
11、hanges, has shown that no common modifications were necessary for the acceptance as Harmonization Document. The reference document was submitted to the CENELEC members for formal vote and was approved by CENELEC as ED 478.2.6 S1 on 9 December 1992. The following dates were fixed: - latest date of an
12、nouncement of the HD at national level (doa) 1993-06-01 - latest date of publication of a harmonized national standard (dopl 1993-12-01 - latest date of withdrawal of conflicting national standards (daw) 1993-12-01 Annexes designated “normative“ are part of the body of the standard. In this standard
13、, annex 21 is normative. ENMIRSEMENT NOTICE i The text of the International Standard 1% 721-2-6:1990 was approved by CENELEC as a Harmonization Document without any modification. + 4 m 3404583 0058830 4T7 m ANNEX ZA (normrtive) OTHER INTERNATIONAL PUBLICATIONS QUOTED IN THIS STANDARD WITH THE REFERE
14、NCES OF THE RELEVANT EUROPEAN PUBLICATIONS When the international publication has been modified by CENELEC common modifications, indicated by (mod), the relevant EN/HD applies. I EC Publication Date Title EN/HD Date - - - - - 721-1 1990 Classification of environmental HO 476.1 S1 1992 conditions - Part 1: Environmental parameters and their severities
