Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 3: Stationary use at weatherprotected locations

EN following parallel vote

Klassifizierung von Umweltbedingungen - Teil 3: Klassen von Umwelteinflußgrößen und deren Grenzwerte - Hauptabschnitt 3: Ortsfester Einsatz, wettergeschützt

Classification des conditions d'environnement - Partie 3: Classification des groupements des agents d'environnement et de leurs sévérités - Section 3: Utilisation à poste fixe, protégé contre les intempéries

Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 3: Stationary use at weatherprotected locations

General Information

Status
Withdrawn
Publication Date
09-Jan-1997
Current Stage
6060 - Document made available
Start Date
10-Jan-1997
Completion Date
10-Jan-1997

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EN 60721-3-3:2001/A2:2001
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SLOVENSKI STANDARD
SIST EN 60721-3-3:2001/A2:2001
01-september-2001
Classification of environmental conditions - Part 3: Classification of groups of
environmental parameters and their severities - Section 3: Stationary use at
weatherprotected locations

Classification of environmental conditions -- Part 3: Classification of groups of

environmental parameters and their severities -- Section 3: Stationary use at
weatherprotected locations

Klassifizierung von Umweltbedingungen -- Teil 3: Klassen von Umwelteinflußgrößen und

deren Grenzwerte -- Hauptabschnitt 3: Ortsfester Einsatz, wettergeschützt

Classification des conditions d'environnement -- Partie 3: Classification des groupements

des agents d'environnement et de leurs sévérités -- Section 3: Utilisation à poste fixe,

protégé contre les intempéries
Ta slovenski standard je istoveten z: EN 60721-3-3:1995/A2:1997
ICS:
19.040 Preskušanje v zvezi z Environmental testing
okoljem
SIST EN 60721-3-3:2001/A2:2001 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 60721-3-3:2001/A2:2001
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SIST EN 60721-3-3:2001/A2:2001
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SIST EN 60721-3-3:2001/A2:2001
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SIST EN 60721-3-3:2001/A2:2001
NORME
CEI
INTERNATIONALE
IEC
721-3-3
INTERNATIONAL
1994
STANDARD
AMENDEMENT 2
AMENDMENT 2
1996-11
Amendement 2
Classification des conditions d’environnement –
Partie 3:
Classification des groupements des agents
d’environnement et de leurs sévérités –
Section 3: Utilisation à poste fixe, protégé
contre les intempéries
Amendment 2
Classification of environmental conditions –
Part 3:
Classification of groups of environmental
parameters and their severities
Section 3: Stationary use at weatherprotected
locations
 CEI 1996 Droits de reproduction réservés  Copyright - all rights reserved

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---------------------- Page: 5 ----------------------
SIST EN 60721-3-3:2001/A2:2001
721-3-3 Amend. 2  IEC:1996 − 3 −
FOREWORD

This amendment has been prepared by IEC technical committee 75: Classification of environ-

mental conditions.
The text of this amendment is based on the following documents:
FDIS Report on voting
75/279/FDIS 75/289/RVD

Full information on the voting for the approval of this amendment can be found in the report on

voting indicated in the above table.
____________
Page 15
5.1 Climatic conditions
Add, after the first paragraph, the following new paragraph:

Climatic conditions in tropical areas as specified in classes 3K9 and 3K10 are explained in

annex E.
Page 19
Table 1 − Classification of climatic conditions

Add columns 3K9 and 3K10 as follows (columns “Environmental parameter” and “Unit” are

repeated for information only):
Environmental parameter Unit Class
8) 8)
3K9 3K10
a) Low air temperature °C +5 −20
°C +40 +55
b) High air temperature
c) Low relative humidity % 30 4
d) High relative humidity % 100 100
e) Low absolute humidity 60,9
g/m
f) High absolute humidity 36 27
g/m
°C/min 1,0 1,0
g) Rate of change of temperature
kPa 70 70
h) Low air pressure
kPa 106 106
i) High air pressure
j) Solar radiation 1120 1120
W/m
6) 6)
k) Heat radiation None
4) 5) 5)
m/s
l) Movement of surrounding air 5,0 5,0
m) Condensation None Yes Yes
n) Wind-driven precipitation (rain, snow, None Yes Yes
hail, etc.)
6) 6)
o) Water from sources other than rain None
p) Formation of ice None No Yes
Add note 8:

8) Further information on classes 3K9 (tropical damp) and 3K10 (tropical dry) is given in annex E.

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