1.2.3 Relative humidity
≤ 85% @ 40 ºC.
≤ 90% @ 20 ºC.
1.2.4 Presence of gases
H
S ≤ 0.01 ppm; SO
≤ 0.01 ppm.
2
2
1.2.5 Installation - minimum instalation distance and insulation voltage
Type
Fixed
Draw out
NOTE!
The aforesaid minimum distances also apply to the accessories installed at the side of the circuit breaker, such
as the mechanical interlocking and modules.
Insulation voltage (Ui)
N/S
N/S
600 V
1,000V
Figure 1.1:
A
50
50
Table 1.3:
Figure 1.2:
Minimum insulation of distance X (mm)
Table 1.4:
www.weg.net
B
150
150
8
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ABW - Air Circuit Breaker | 11