YASKAWA SGDV User Manual page 79

Wire Types
Use the following type of wire for main circuit.
Symbol
IV 600 V polyvinyl chloride insulated wire
600 V grade heat-resistant polyvinyl chloride
HIV
insulated wire
The following table shows the wire sizes and allowable currents for three wires. Use
wires with specifications equal to or less than those shown in the table.
• 600 V grade heat-resistant polyvinyl chloride insulated wire (HIV)
Nominal
Cross
AWG
Section
Size
Diameter
2
(mm )
20 0.5
19 0.75
18 0.9
16 1.25
14 2.0
12 3.5
10 5.5
8 8.0
6 14.0
4 22.0
Note: The values in the table are for reference only.
Cable Type
Name
Configuration
Conductive
(Number of
Resistance
2
(Ω/km)
Wires/mm )
19/0.18
30/0.18
37/0.18
50/0.18
7/0.6
7/0.8
7/1.0
7/1.2
7/1.6
7/2.0
3.3 Main Circuit Wiring
Allowable Conductor
Temperature °C
Allowable Current at
Surrounding Air Temperature
30°C
39.5 6.6
26.0 8.8
24.4 9.0
15.6 12.0
9.53 23
5.41 33
3.47 43
2.41 55
1.35 79
0.85 91
60
75
(A)
40°C 50°C
5.6 4.5
7.0 5.5
7.7 6.0
11.0 8.5
20 16
29 24
38 31
49 40
70 57
81 66
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