Omron R88D-KN series

4-27
4 System Design
G5 Series AC Servo Drives With Built-in EtherCAT Communications, Linear Motor Type
4-2 Wiring
4
4-2-3 Terminal Block Wire Sizes
The terminal block wire sizes used for 400-VIC input Servo Drive models are as shown below.
*1 Use the same wire sizes for B1 and B2.
400 VAC Input Drive Wire Sizes
Model (R88D-)
KN06F-ECT-L KN10F-ECT-L KN15F-ECT-L KN20F-ECT-L
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
Wire size  AWG14
Screw size 
Tightening
torque
N·m 
Control circuit
power supply
input (L1C and
L2C)
Wire size  AWG20 to 24
Screw size 
Tightening
torque
N·m 
Motor
connection
terminals
(U, V, W, and
FG)
*1
Rated current A 2.9 2.9 4.7 6.7
Wire size  AWG14
Screw size 
Tightening
torque
N·m 
Maximum wiring
length
m20
Frame ground
(FG)
Wire size  AWG14
Screw size  M4
Tightening
torque
N·m 1.2
Maximum wiring
length
m1