Omron SYSDRIVE RX Series User Manual page 374

7-3 Options
(1) Inverter
Max.
applicable
Voltage motor
capacity
(kW)
30
37
400-V
Class
45
55
7
* Calculated using a braking torque of approximately 100%.
* Calculated based on using a standard 4-pole motor.
* The simplified selection table above cannot be used in cases where a 10% ED is exceeded, in
vertical applications, or where a very large braking torque is required.
* Consult us concerning models with a capacity of 75 kW or higher.
7-25
(2) Usage (3) Regenerative braking
conditions
%ED
Model Model
(%)
3G3AX-
3.0%
RBU42
3G3RX
-A2300
3G3AX-
10.0%
RBU42
3G3AX-
3.0%
RBU43
3G3RX
-A4370
3G3AX-
10.0%
RBU43
3G3AX-
3.0%
RBU43
3G3RX
-A4450
3G3AX-
10.0%
RBU43
3G3AX-
3.0%
RBU43
3G3RX
-A4550
3G3AX-
10.0%
RBU43
(3) Braking resistor
unit
Number
Model
of units
3G3AX-
1
RBC12001
3G3AX-
1
RBC12001
3G3AX-
1
RBC12001
3G3AX-
1
RBC12001
3G3AX-
1
RBC12001
3G3AX-
1
RBC12001
3G3AX-
1
RBC12001
3G3AX-
1
RBC12001
(5)
Restrictions
(4)
Allowable
Connection
Number continuous
of units braking
time (s)
4 8 10
4 8 10
6 9 10
6 9 10
6 9 10
6 9 10
8 10 10
8 10 10