22
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
Содержание Fluxpower HE 10 kVA
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