OMD91046 rev D
29
Classification of mechanically active substances (EN 60721-3-3)
Environmental parameter
Class
3S1
3S2
3S3
3S4
a) Sand [mg/m
3
]
No 30 300
3000
b) Dust (suspension) [mg/m
3
]
0,01 0,2 0,4 4,0
c) Dust (sedimentation) [mg/(m
2
·h)
0,4 1,5 15 40
Places where precautions have been taken to minimize the
presence of dust. Places away from dust sources
x
Places without any special precaution to minimize the
presence of sand or dust, however not in proximity to sand or
dust sources
x
Places in proximity to sand or dust sources
x
Places in proximity to working processes that generate sand
or dust, or in geographic areas having a high proportion of
sand brought by the wind or of dust suspended in the air
x
Classification of chemically active substances (EN 60721-3-3)
Environmental parameter
Class
3C1R
3C1L 3C1 3C2 3C3 3C4
a) Sea salt
No
No
No
Salt fog
Salt fog
Salt fog
b) Sulphur dioxide
[mg/m
3
]
0,01 0,1 0,1 1,0 10 40
b) Hydrogen sulphide
[mg/m
3
]
0,0015
0,01 0,01 0,5 10 70
a) Chlorine [mg/m
3
]
0,001
0,01 0,1 0,3 1,0 3,0
a) H
ydrochloric acid
[mg/m
3
]
0,001
0,01 0,1 0,5 5,0 5,0
a) H
ydrofluoric acid
[mg/m
3
]
0,001 0,003 0,003 0,03 2,0
2,0
a) Ammonia [mg/m
3
]
0,03 0,3 0,3 3,0 35 175
h) Ozone [mg/m
3
]
0,004 0,01 0,01 0,1 0,3 2,0
i) Nitric oxide (expressed in equivalent values of
nitrogen dioxide) [mg/m
3
]
0,01 0,1 0,1 1,0 9,0 20
Places where atmosphere is strictly monitored and
regulated (“clean spaces” category)
X
Places where atmosphere is permanently monitored
X
Places located in rural and urban
regions where
industrial activities are few and where traffic is
moderate
X
Places located in urban regions with industrial
activities and/or considerable traffic
X
Places in proximity to industrial sources with
chemical emissions
X
Places located in industrial installations. Emissions
of highly concentrated chemical pollutants
X
UPS B8000FXS is designed to be installed in an environment that meets the
following classifications.
K
Climatic conditions
In accordance with the technical
specification
B
Biological conditions
3B1 (EN 60721-3-3)
C
Chemically active substances
3C2 (EN 60721-3-3)
S
Mechanically active substances
3S2 (EN 60721-3-3)
In the event that the environmental conditions of the installation room do not comply
with the specified requirements, additional precautions must be taken to reduce
excessive values to the specified limits.