95
3 UPS
3-1 35
35
95 95 95
95
95
95
50
50
3-3 35
35
16 16 35
16
16
16
50
50
1-1 185
185
95 95 185
95
95
95
50
50
1-3 185
185
16 16 185
16
16
16
50
50
Parallel system
installed by 20KVA UPS (conductor cross-section, unit: mm²)
UPS
number
Mode
Main input
Bypass input
Ground wire
Output
Battery wire
Battery Ground
L wire
N wire
L wire
N wire
L wire
N wire
Ground
2 UPS
3-1
25
25
70 70 70
70
70
70 35
35
3-3
25
25
16 16 25
16
16
16 35
35
1-1
120
120
70 70 120
70
70
70 35
35
1-3
120
120
16 16 120
16
16
16 35
35
3 UPS
3-1
50
50
150
150
150
150
150
150
70
70
3-3
50
50
25 25 50
25
25
25 70
70
1-1
240
240
150
150
240
150
150
150
70
70
1-3
240
240
25 25 240
25
25
25 70
70
Note:
1. Please select the large cross-section conductor for the parallel system ‘AC IN
cable’ in the single source application.
2. In the three-phase output mode, if the load is an unbalanced load, the L wire of
the bypass and output may exceed the rated current, and the maximum rated
current will be 1.732 times. The corresponding protection device and wiring
cable must be determined according to the standards of the region and the
actual situation of the user.
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