Omron OMNUC G5 User Manual page 242

4-2 Wiring
400 VAC Input Type Wire Sizes: R88D-KTxxF
Main circuit power
supply input (L1
and L3, or L1, L2
and L3)
Control circuit
power supply input
(L1C and L2C)
Motor connection
terminals (U, V, W,
and FG)
4
Frame ground
(FG)
*1. Use the same wire sizes for B1 and B2.
Note 1. The left value is for single-phase input and the right value is for 3-phase input.
Note 2. Connect an OMRON power cable to the motor connection terminals.
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)
4-19
Model (R88D-)
Item
Rated current
Wire size
Screw size
Tightening torque
Wire size
Screw size
Tightening torque
Rated current
Wire size
*1
Screw size
Tightening torque
Wire size
Screw size
Tightening torque
Nominal cross-
AWG size sectional area
2
(mm )
20 0.5
−
0.75
18 0.9
16 1.25
14 2.0
12 3.5
10 5.5
8 8.0
6 14.0
OMNUC G5-SERIES AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
KT06F KT10F KT15F KT20F KT30F KT50F
Unit
A 2.8 2.8
−
− − −
− −
N•m
−
AWG20 to 24
− − −
− −
N•m
A 2.9 2.9
−
− − −
− −
N•m
−
−
N•m
Conductive
Configuration
resistance
2
(wires/mm )
(Ω/km)
19/0.18 39.5
30/0.18 26.0
37/0.18 24.4
50/0.18 15.6
7/0.6 9.53
7/0.8 5.41
7/1.0 3.47
7/1.2 2.41
7/1.6 1.35
3.9 5.9 7.6
AWG14 AWG12
− −
− −
AWG18
− −
− −
4.7 6.7 9.4
AWG14 AWG12
− −
− −
AWG14 AWG12
M4
1.2
Allowable current (A) for ambient
temperature
30°C 40°C
6.6 5.6
8.8 7.0
9.0 7.7
12.0 11.0
23 20
33 29
43 38
55 49
79 70
12.1
M5
2.0
M5
2.0
16.5
M5
2.0
M5
2.0
50°C
4.5
5.5
6.0
8.5
16
24
31
40
57