3.4 Main Circuit Wiring
28
Wire Size and Allowable Current
The following table shows the wire size and allowable current for three cables. Use a cable whose
specifications meet or are less than allowable current in the table.
• 600 V Heat-resistant Vinyl Cables (HIV)
Note: The values in the table are only for reference.
Power Supply Input Terminals (L1, L2), Motor Connection Terminals (U, V,
W), and Regenerative Unit Connection Terminals (+, -)
Note: Connectors are used for all wiring.
Ground Terminal (
)
AWG
Size
Nominal Cross
Section Diameter
mm
2
Configuration
Number of
wires/mm
2
Conductive
Resistance
Ω
/mm
2
Allowable Current at Ambient Temperature
A
30
°
C
40
°
C
50
°
C
20
0.5
19/0.18
39.5
6.6
5.6
4.5
-
0.75
30/0.18
26.0
8.8
7.0
5.5
18
0.9
37/0.18
24.4
9.0
7.7
6.0
16
1.25
50/0.18
15.6
12.0
11.0
8.5
14
2.0
7/0.6
9.53
23
20
16
Capacity
W
SERVOPACK Type
Terminal Symbol
L1, L2
U, V, W
+, -
100
SJDE-01ANA-OY
HIV1.25 mm
2
HIV1.25mm
2
Wiring length:
20 m max.
HIV1.25mm
2
Wiring length:
0.5 m max.
200
SJDE-02ANA-OY
400
SJDE-04ANA-OY
HIV2.0 mm
2
750
SJDE-08ANA-OY
Wire Size
Terminal Screw Size
Tightening Torque
HIV 2.0 mm
2
min.
M4
1.2 to 1.4 N
x
m
TOEP_C710806_03A_1_0.book Seite 28 Montag, 2. Juli 2007 3:55 15
