Options and Peripheral Devices
9
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13
Braking Unit
A Braking Unit is used with a Braking Resistor Unit to reduce the deceleration time of the motor. It is not
required with Inverters of 18.5 kW or less.
Models and Application
The standard models of Braking Units are listed in the following table.
* The minimum resistance is the minimum value per Braking Unit except for Inverters of 18.5 kW or less, in which case it the minimum value per Inverter.
Inverter
Braking Unit
Min. Resistance
*
(
Ω
)
Voltage
Class
Max. Applicable Motor
Capacity (kW)
Model No.
Qty Used.
200-V Class
0.4
Built-in
48
0.75
48
1.5
48
2.2
16
3.7
16
5.5
16
7.5
9.6
11
9.6
15
9.6
18.5
9.6
22
3G3IV-CDBR2022B
1
6.4
30
3G3IV-CDBR2015B
2
9.6
37
3G3IV-CDBR2015B
2
9.6
45
3G3IV-CDBR2022B
2
6.4
55
3G3IV-CDBR2022B
2
6.4
75
3G3IV-CDBR2022B
3
6.4
90
3G3IV-CDBR2022B
4
6.4
110
3G3IV-CDBR2022B
5
6.4
400-V Class
0.4
Built-in
96
0.75
96
1.5
64
2.2
64
3.7
32
5.5
32
7.5
32
11
20
15
20
18.5
19.2
22
3G3IV-CDBR4030B
1
19.2
30
3G3IV-CDBR4030B
1
19.2
37
3G3IV-CDBR4045B
1
12.8
45
3G3IV-CDBR4045B
1
12.8
55
3G3IV-CDBR4030B
2
19.2
75
3G3IV-CDBR4045B
2
12.8
90
3G3IV-CDBR4045B
2
12.8
110
3G3IV-CDBR4030B
3
19.2
132
3G3IV-CDBR4045B
3
12.8
160
3G3IV-CDBR4045B
4
12.8
