Omron G5 Series User Manual

2 Models and External Dimensions
2 - 36
OMNUC G5-series (Pulse-train Input Type) AC Servomotors and Servo Drives User’s Manual
 1 kW/1.5 kW/2 kW/3 kW (without Brake)
R88M-KE1K020H (-S2)/-KE1K520H (-S2)/-KE2K020H (-S2)/-KE3K020H (-S2)
 1 kW/1.5 kW/2 kW/3 kW (with Brake)
R88M-KE1K020H-B (S2)/-KE1K520H-B (S2)/-KE2K020H-B (S2)/-KE3K020H-B (S2)
Note The standard models have a straight shaft. Models with a key and tap are indicated with S2 at the end of the
model number.
Models with an oil seal are indicated with O at the end of the model number. The motor dimensions do not
change.
2,000-r/min Servomotors (200 V)
Model
Dimensions [mm]
LL LR LM S KB1 KB2
R88M-KE1K020 139 55 94 22 60 119
R88M-KE1K520 156.5 55 111.5 22 77.5 136.5
R88M-KE2K020 174 55 129 22 95 154
R88M-KE3K020 209 65 164 24 127 189
R88M-KE1K020-B 167 55 122 22 60 147
R88M-KE1K520-B 184.5 55 139.5 22 77.5 164.5
R88M-KE2K020-B 202 55 157 22 95 182
R88M-KE3K020-B 237 65 192 24 127 217
Encoder
connector
Motor and brake
connector
LM
KB2
KB1
LRLL
116 (1.0 to 2.0 kW) 118 (3.0 kW)
84
130
45 (1.0 to 2.0 kW)
55 (3.0 kW)
41 (1.0 to 2.0 kW)
51 (3.0 kW)
LR
M3, through
M5 depth 12 (1.0 to 2.0 kW)
M8 depth 20 (3.0 kW)
8h9
7
18 (1.0 to 2.0 kW) 20 (3.0 kW)
(Shaft end specifications with key and tap)
612
øSh6 øSh6
ø110h7
4-ø9
ø165
ø145
ø110h7

Omron G5 Series Specifications

General

Feedback	Incremental Encoder, Absolute Encoder
Communication	EtherCAT
Safety Function	STO (Safe Torque Off)
Protection Functions	Overvoltage, Undervoltage, Overcurrent
Vibration Resistance	4.9 m/s² (10 to 55 Hz)