4-19
4-2 Wiring
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type)
4
System Design
400 VAC Input Type Wire Sizes: R88D-KNxxF-ML2
*1. Connect OMRON Power Cables to the motor connection terminals.
*2. Use the same wire sizes for B1 and B2.
Wire Sizes and Allowable Current (Reference)
The following table shows the allowable current when there are 3 power supply wires. Use a
current below these specified values.
600-V Heat-resistant Vinyl Wire (HIV)
Model (R88D-)
KN06F
-ML2
KN10F
-ML2
KN15F
-ML2
KN20F
-ML2
KN30F
-ML2
KN50F
-ML2
Item
Unit
Main circuit power
supply input (L1
and L3, or L1, L2
and L3)
Rated current
A
2.8
2.8
3.9
5.9
7.6
12.1
Wire size
AWG14
AWG12
Screw size
M5
Tightening torque
N•m
2.0
Control circuit
power supply input
(L1C and L2C)
Wire size
AWG20 to 24
AWG18
Screw size
M5
Tightening torque
N•m
2.0
Motor connection
terminals (U, V, W,
and FG)
*1*2
Rated current
A
2.9
2.9
4.7
6.7
9.4
16.5
Wire size
AWG14
AWG12
Screw size
M5
Tightening torque
N•m
2.0
Frame ground
(FG)
Wire size
AWG14
AWG12
Screw size
M4
M5
Tightening torque
N•m
1.2
2.0
AWG size
Nominal cross-
sectional area
(mm
2
)
Configuration
(wires/mm
2
)
Conductive
resistance
(
/km)
Allowable current (A) for ambient
temperature
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
12
3.5
7/0.8
5.41
33
29
24
10
5.5
7/1.0
3.47
43
38
31
8
8.0
7/1.2
2.41
55
49
40
6
14.0
7/1.6
1.35
79
70
57
