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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.
Inverter
Voltage
Max. Applicable Motor
Class
Capacity (kW)
0.4
0.75
1.5
2.2
3.7
5.5
7.5
11
15
200-V Class
18.5
22
30
37
45
55
75
90
110
0.4
0.75
1.5
2.2
3.7
5.5
7.5
11
15
18.5
22
400-V Class
30
37
45
55
75
90
110
132
160
180
220
300
* 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.
BRAKING UNIT
WARNING
Remove this cover, and
set the connectors
May cause injury or electric
before turning the
shock.
power on.
Please follow the instructions in
(See instructions.)
the manual before installation or
operation.
Disconnect all power before opening
Lights
front cover of unit. Wait 3 minutes
when
until DC Bus capacitors discharge.
braking
Use proper grounding techniques.
3G3IV-PCDBR B
Braking Unit
Model No.
Qty Used.
Built-in
3G3IV-PCDBR2022B
3G3IV-PCDBR2015B
3G3IV-PCDBR2015B
3G3IV-PCDBR2022B
3G3IV-PCDBR2022B
3G3IV-PCDBR2110B
3G3IV-PCDBR2110B
3G3IV-PCDBR2110B
Built-in
3G3IV-PCDBR4030B
3G3IV-PCDBR4030B
3G3IV-PCDBR4045B
3G3IV-PCDBR4045B
3G3IV-PCDBR4030B
3G3IV-PCDBR4045B
3G3IV-PCDBR4220B
3G3IV-PCDBR4220B
3G3IV-PCDBR4220B
3G3IV-PCDBR4220B
3G3IV-PCDBR4220B
3G3IV-PCDBR4220B
3G3IV-PCDBR4220B
Options and Peripheral Devices
Min. Resistance*
(Ω)
48
48
48
16
16
16
9.6
9.6
9.6
9.6
1
6.4
2
9.6
2
9.6
2
6.4
2
6.4
1
1.6
1
1.6
1
1.6
96
96
64
64
32
32
32
20
20
19.2
1
19.2
1
19.2
1
12.8
1
12.8
2
19.2
2
12.8
1
3.2
1
3.2
1
3.2
1
3.2
1
3.2
1
3.2
2
3.2
13
9-
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Troubleshooting
