4-18
4-2 Wiring
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type) 
   4
System Design
200 VAC Input Type Wire Sizes: R88D-KNxxH-ML2
*1. The left value is for single-phase input and the right value is for 3-phase input.
*2. Connect an OMRON power cable to the motor connection terminals.
*3. Use the same wire sizes for B1 and B2.
Model (R88D-)
KN01H-
ML2
KN02H-
ML2
KN04H-
ML2
KN08H-
ML2
KN10H-
ML2
Item
Unit
Power supply capacity kVA 0.5 0.5 0.9 1.3 1.8
Main circuit power 
supply input (L1 
and L3, or L1, L2 
and L3) 
Rated current
A
1.6/0.9
*1
2.4/1.3
*1
4.1/2.4
*1
6.6/3.6
*1
9.1/5.2
*1
Wire size  AWG14 to 18 AWG14
Screw size
 
Tightening torque
N•m
 
Control circuit 
power supply input 
(L1C and L2C)
Wire size
AWG18
Screw size
 
Tightening torque
N•m
 
Motor connection 
terminals (U, V, W, 
and FG) 
*2*3
Rated current A 1.2 1.6 2.6 4.1 5.9
Wire size
AWG14 to 18 AWG14
Screw size
 
Tightening torque
N•m
 
Frame ground 
(FG)
Wire size
AWG14
Screw size
M4
Tightening torque
N•m 1.2
Model (R88D-)
KN15H-
ML2
KN20H
-ML2
KN30H
-ML2
KN50H
-ML2
Item
Unit
Power supply capacity kVA 2.3 3.3 4.5 7.5
Main circuit power 
supply input (L1 
and L3, or L1, L2 
and L3)
Rated current A 14.2/8.1
*1
11.8 15.1 21.6
Wire size  AWG14 AWG12
Screw size
M5
Tightening torque
N•m
2.0
Control circuit 
power supply input 
(L1C and L2C)
Wire size
AWG18
Screw size
M5
Tightening torque
N•m
2.0
Motor connection 
terminals (U, V, W, 
and FG) 
*2*3
Rated current A 9.4 13.4 18.7 33.0
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