1、60721-3-3 : 19% Classification of environmental conditions Part 3. Classification of groups of environmental parameters and their severities Section 3.3 Stationary use at weatherprotected locations The European Standard EN 60721-3-3 : 1995 has the status of a British Standard ICs 19.040 E NO COPYING
2、 WITBOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPRIGHT LAW COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling Services - STD-BSI BS EN b0721-3-3-ENGL 1775 W 1b2Llbb7 Ob23b50 TOLi BS EN 60721-33 : 1995 Issue 2, June 1997 Committees responsible for this
3、British Standard The preparation of this British standard was entrusted to Technical Committee GEMO, Environmental testing of electrotechnicai products, to panel GEY50/-/1, Coordination of IECffC 75 work, upon which the foilowing bodies were represented: Federation of the Elecmnics hdustry Society o
4、f Motor Manufacturers and Mers Limited This British Standard, having been prepared under the direction of the Electmtechnid Sector Board, was published under the authority of the Standards Board and comes into effect on 16 July 1995 O BSI 1997 Amendments issued since publication Amd.No. Date I Text
5、affected The following BSI references relate to the work on this standard: Committee reference GEMO Draft for comment 93/209314 DC COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling ServicesIssue 1, June 1997 BS EN 60721-33 : 1995 I Summary of pages The
6、 following table identifies the current issue of each page. Issue 1 indicates that a page has been introduced for the nrst time by amendment. Subsequent issue numbers indicate an updated page. Vertical sidelining on replacement pages indicates the most recent changes (amendment, addition, deletion).
7、 issue hont cover inside fiont cover a b 1 ll EN title page 2 3 4to6 7 8 9 Issue 2 2 1 blank 2 2 2 2 Original 2 2 2 Original Page 10 to 25 26 27 to 43 44 44a 44b 45 46 Inside back cover Back cover Original 2 Original 2 1 1 blank Original Original 2 O BSI 1997 a COPYRIGHT European Committee for Elect
8、rotechnical StandardizationLicensed by Information Handling ServicesSTD*BSI BS EN b0721-3-3-ENGL 1775 W 1bZqbb7 Ob23b52 887 BS EN 60721-3-3 : 1995 Contents Committees responsible page Inside front cover National foreword ii Foreword 2 Text of EN 60721-3-3 3 i COPYRIGHT European Committee for Electro
9、technical StandardizationLicensed by Information Handling Services STDDBSI BS EN 60721-3-3-ENGL L775 m Lb29bb7 Ob23653 713 BS EN 60721-3-3 : 1995 hue 2, June 1997 National foreword This Section of BS EN 60721 has been prepared by Technical Committee GEMO and is the English language venion of EN 6072
10、1-3-3 : 1995 Cl.uss,cation of enwimmtu conditions Part 3: Classification of groups of environmental parameters and th.eir severities Section 3: Stat.ionayl use at weaherpmtected locations including amadment Al : 1997, published by the European Committee for Electrotechnical Standardization (CENELEC)
11、. It is identical with IEC 721-3-3 : 1994 including Amendment 1 : 1996, pubiished by the International Electmtechnicai Commission This British Standard supemedes BS EN 60721-3-3 : 1993 (formerly BS 7527 : Section 3.3 : 1991), which is withdrawn. (IEC). Cross-references Publication referred to EN 607
12、2150 : 1993 (IEC 721-30 : 1982) HD 478.1 S2 HD 478.2.1 S1 (IEC 721-1 : 1990) (IEC 721-2-1 : 1982) Corresponding British Standard BS EN 60721 Cass%ation of environmental conditim Part 3. classfkatim of groups of avimmental parameters and their severities Section 3.0 : 1993 InCroduction Part 1 : 1991
13、Environmental parameters and their severities Par 2. Enwimntal conditions appearing in nature Section 1 : 1991 Tmperature and humiity Compliance with a British Standard does not of itself confer immunity from iegai obligations. . .& _ .-. -y- ii O BSI 1997 COPYRIGHT European Committee for Electrotec
14、hnical StandardizationLicensed by Information Handling Services* VI * EUROPEAN STANDARD NO= EUR0PEE”E EUROP- NORM EN 6072133 January 1995 +A2 January 1997 UDC 19.040 Supersedes EN 60721-3-3 : 1993 and its amendment Descriptors: Environmental conditions, groups of environmental parameters, stationary
15、 protected locations English version Classification of enviromental conditions Part 3: Classification of groups of environmental parameters and their severities Section 3: Stationary use at weatherprotected locations (includes amendment A2 : 1997) (IEC 721-3-3 : 1994 + A2 : 1996) Classication des co
16、nditions denvironnement Partie 3 Classification des groupements des agents denvironnement et de leurs svritis Section 3: Utiisation post fure, protg contre les intempries wettergeschtzt (inclut lamendement A2 : 1997) (CET 721-3-3 : 1994 + A2 : 1996) Kiassinziening von Umweltbedingungen Teil 3 Klasse
17、n von UmwelteintluBgrBen und deren Grenzwerte Hauptabschnitt 3 Ortsfester Einsatz (enthalt nderung A2 : 1997) (SEC 72153 : 1994 + A2 : 1996) This European Standard was approved by CENELEC on 1994-104. CENELEC members are bound to comply with the CENKENELEC Internal Regulations which stipulate the co
18、nditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibhographid references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in th
19、ree officiai versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notifed to the Centra Secretariat has the same status as the officiai versions. CENELEC members ase the national electrotechnica
20、l committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugd, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Commitee for Electrotechnica StanarWon Comitk Europen de Normalisation Electrotechnique Euro
21、pisches Komitee fr Elekh.otechnische Normung Centra Secretariat: rue de Stassart 36, B-1060 Brussels I_ _, O 1995 copyright reserved to CENELEC members i j Ref. No. EN 60721-3-3 : 1995 + A2 : 1997 E R COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling S
22、ervices - STD-BSI BS EN b0721-3-3-ENGL 1775 1b24bb7 Ob23b55 57b Page 2 Issue 2, June 1997 EN 60721-33 : 1995 Foreword The text of document 75(C0)102& future amendment to IEC 721-3-3 : 1987, prepared by IEC TC 75, Classification of environmental conditions, was submitted to the EGCENELEC parallel vot
23、e and was approved by CENELEC as amendment A3 to EN 6072133 : 1993 on 1!394-1004. The text of this document, together with that of IEC 721-3-3 : 1987 and its amendments 1 : 1991 and 2 : 1993, was published by IEC as the second eition of IEC 721-3-3 in December 1994. Ac.-9 9-200 D.3 1 2-9 9-200 1.5 5
24、 2-9 9-200 3.0 10 2-9 9-200 3.0 10 2-9 9-2OC 7.0 20 2-9 9-200 10 30 2-9 9-200 15 50 -9 9-2oc b) Nn-siationary Mbration hduding shock: (see figure 1) shodntrolled locations. Heating or cooling may be switched off for Locations without temperature control. The building amtrudion provides protection fr
25、om daily variations in outside (.e. open-air) climate pcriods. X -_-_ Locations without temperature control. The building construction provides minimal protection from daily variations in outside (.e. open-air) climate - X X X X g) Rafe of change of temperature “Urnin temperatureantrollcd locations
26、.-_- emperaturecontrolled lqcations. Heating or cooling may be switched of for periods . i- X COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling Services - STD-BSI BS EN b0721-3-3-ENGL 1995 m Lb211bb9 Ub23b72 b75 m Page 19 EN 60721-3-3 : 1995 Type of cl
27、imate A.2.1 K. Climatic conditions (continued) Class 3K7 3K7L 3K8 3KH3KBL xxxxx xxxxx -.- xxxxx xxxxx X xxx zzzzz xxxxx - xxxxx COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling Services STD.BS1 BS EN b0721-3-3-ENGL II775 E Lb24bb7 Ub23b73 501 I Page 2
28、0 EN 60721-3-3 : 1995 A.2.1 K. Climatic conditions (continued) Condition of stationary use i) Movement o$surrounding air (Ye trible 2) m/s Locaiions with no doo& or windows openable to the open air, e.g. airconditioned locations - -_ Locations with doors or windows openabible to the open air. or onl
29、y partially weatherprotcaed. Locations with draughts due to process conditions m) c4ndrrrrolon Airditioncd or continuously temperaturroontrolled locations - Temperaturocontrolled locations, Heating or -ling may be switched off for Locations without temperature control. The building constmaion provid
30、er proteaion from daily variations in outride (Le. open-air) climate periods .- Locations without temperature control. The building constmaion provides minimal protection from daily variations in outside (ir. open-air) climate _ n) Winddriven precipitation (rain. snow. hail. etc) Totally weatherprot
31、ected locations Type of climate I Class COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling ServicesA.2.1 K. Climatic conditions (concluded) I: Condition of stationary UK I o) Wuier fmm soumes other ihun min (tee Iible 2) Locations without conditions add
32、itional water Locations with conditions of additional water, e.g. due to special usc of the building or to process conditions x p) Formation of in Airandilional, continuously tempera- turccontrollcd or tcmperaturcoon- x trollai locations - -_ Locations without temperaturn control X Type of climate C
33、OPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling ServicesEN 60721-3-3 : 1995 A.2.2 B. Biological conditions Condition of stationary use a) mm Locations with negiible risks of growth of mould. fungus, etc., or proteced from growth of mould, fungus, etc.
34、 Locations with risks of growth of rnwld, fungus, etc. Not proected from gmwt of mwki. fungus, etc. .- b) Fama LocatioCU with negligible risks of attacks by rodents and other animals. including termites. Protected from animals Locations With iisks of attacks by rodents and other animals. exdung term
35、ites. Not protected from animals Locations with risks of attacks by rodents and other anmals. indudng temihes. Not protected from animals - - - 38 1 No X - No Class 3B2 Presence of mould, fungue etc. X Presence of rodents and other animais harmful to products. , exduding termites 3 83 Presence of mo
36、uid. fungus, etc. X X %esence of rodents and other mimals harmhil to praduds, ndudmg DiMnites X COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling Services- - - - STD.BSI BS EN b0721-3-3-ENGL 1995 Lb24bb9 Ob23b7b 210 Page 23 EN 60721-3-3 : 1995 3G3 Mean
37、 Maximum value value Salt mist 5.0 10 3.0 10 0,3 I ,o 1 ,o 5,O 0.1 2.0 0.1 03 3.0 9,0 10 35 A.2.3 C. Chemically active substances 3c4 Mean Wmun value value Salt mist 13 40 14 70 0,6 3.0 1 ,o 60 0.1 2,o 02 2-0 35 175 10 20 I Class kximum value No o. 1 0.01 0.01 0.01 0,003 03 0.01 o. 1 Condition of st
38、ationary use kXrnUm Mea Maximum value value value No Salt mist o, 1 03 1 ,o 0.0 1 0.1 03 o. 1 o. 1 03 o. 1 o. 1 0.5 0.003 0.01 0.03 0.3 1 ,o 3.0 0.01 0.05 0,l o. 1 0.5 1 .o 3C1R Maximum value Locations with stringently monitored and a?nbnlled atmosphere (*mom -tegory) Locations with continuously can
39、b-dled atmosphere Locations in ra( and some urban amas with light industrial activities and moderate traffic a) Seasai& - X No 0.01 0.0015 0.001 0.001 0.001 0.03 0,004 0.0 1 - X X X 3C1L I 3C1 1 3C2 I Locations in urban areas with industriai activities orwith heavy baffic Locations in immediate neig
40、h- bowhood of industrial sources with chemical emissions Locations within industrial plants. Emissions of chemical pdiutants in high concentrations X X X X X X .IxI X t X IxI I COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling ServicesA.2.4 S. Mechanic
41、ally active substances Class Condition of stationary use 353 3s4 300 15 0.4 3 O00 40 4.0 a) Sand mglm3 b) Dust (suspension) mglm3 G) Dust (sedimentation) mg/(m2 . h) Locations where precautions have been taken to minimize the presence of dust. Locations not in close proximity to sand sources Locatio
42、ns without special precautions to minimize the presence of sand or dust. but not in proximity to sand or dust sources Locations in close proximity to sand or dust sources Locations with processes producing sand or dust, or in geographical areas with high proportion ot wind-driven sand or dust in air
43、 - - - A.2.5 M. Mechanical conditions Class Condition of stationary use 3M2 3M3 3 M4 3M5 3M6 3M7 3M8 a) Slaonuy vibrarion, WnUs*l: dsplament amplitude mm acceleration amplitude m/S* frequcyge Hz 1.5 5 2-9 9-20( 1.5 5 2-9 9-20 3.0 2-9 9-200 10 3,O 10 2-9 9-2OC 7.0 20 2-9 9-2o(i 10 30 2-9 9-2oci 15 50
44、 2-9 9-201 03 1 2-9 9-200 Locations where levels of vibration am insignificant or of low significance Locabions where levels of vibration am signilicanl or high Locations where levels of vibration are wry high or extremely high b) Non-stationary ribration .- -_. .- -_ hduding shock: shockrespanse sp
45、ectrum tvpe L. shock reponse spectrum tvpe 1. shock reponse spectrum peak acceleration 6. mis2 peak acceleration . m:s2 type 11. peak acceleration d. mIs2 - .-._ None None 250 40 None None 40 None None None 100 None None None 250 None None 250 None None 250 70 None None X X X - - Locations with insi
46、gnificant levels of shodc Locations where levels of shock are of low signifm or significant Locations with high levels of shock - - NOTE -Alternative classes are given. to allow for product design, mounting and intensity of vibration or shoch. COPYRIGHT European Committee for Electrotechnical Standa
47、rdizationLicensed by Information Handling ServicesA.3 Summary of conditions covered by the classes This summary contains a description of the complete classification. A.3.1 K. Climatic conditions These are covered by eleven class notations as follows: 3Ki This class applies to fully air-conditioned
48、enclosed locations. Air temperature and. humidity control is used continuously to maintain the required conditions. Installed products may be exposed to attenuated solar radiation and to movements of surrounding air due to draughts from the air-conditioning system. They are not subjected to heat radiation, condensed water, precipitation, water from sources other than rain. or formation of ice. The conditions of this c
