3. Installation and Wiring
3-15
3.3.4 Main power circuit wire sizes and grounding wire size
①
Main Power Circuit Wire Sizes
If wiring for the main power terminal is not performed properly, it may cause
severe damage to inverter or lethal injury to inverter operator.
(Standards of IEC 60227-3 or UL508C)
Inverter Capacity
Wire Size
mm
2
AWG or kcmil
R, S, T
U, V, W
R, S, T
U, V, W
2
0
0
V
2.2 kW
2.5
2.5
12
12
3.7 kW
4
4
10
10
5.5 kW
6
6
8
8
7.5 kW
10
10
6
6
11 kW
16
16
4
4
15 kW
25
25
3
3
18.5 kW
35
35
2
2
22 kW
35
35
2
2
30 kW
50
50
1/0
1/0
37 kW
70
70
2/0
2/0
4
0
0
V
2.2/3.7 kW
2.5
2.5
12
12
5.5 kW
4
4
10
10
7.5 kW
4
4
10
10
11 kW
6
6
8
8
15 kW
10
10
6
6
18.5 kW
16
16
4
4
22 kW
16
16
4
4
30 kW
35
25
3
3
37 kW
25
25
3
3
45 kW
50
35
2
2
55 kW
50
50
1
1
75 kW
70
70
2/0
2/0
90 kW
120
120
4/0
4/0
110 kW
150
150
300
300
132 kW
185
185
350
350
Summary of Contents for SV-iV5 Series
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Page 64: ...4 Trial Operation 4 17 ...
Page 114: ...8 Accessories 8 6 ...
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