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Table 3-2 Recommended Sectional input air switch
3KVA
Most
Current
(A)
Recommended
Air switch
(A)
AC
Input
23 32
DC
Input
35 50
3.4.2
Selection of Input and Output Power Cord Diameter
For the selection of conducting wire sectional area for UPS AC input and output
cable and battery cable, please refer to Table 3-3 for corresponding
recommended values, and choose values upwards.
Table 3-3 Recommended Sectional Flow of Cable Sectional Area of UPS
Ampacity
(A)
Sectional Area (mm
2
)
1
1.5
2.5
4
6
10
16
25
Rubber
(25°C)
8
12
20
28
42
70
96
125
Plastic
(25°C)
6
9
15
20
30
50
64
100