Chapter 7 - Options
175
7.7 DB (Dynamic Brake) Unit
1) DBU models
UL
Inverter
Applicable motor rating
DB Unit
Dimension
200V
11 ~ 15 kW
SV150DBU-2
200V
18.5 ~ 22 kW
SV220DBU-2
Group 1.
See 4) Dimensions
200V
30 ~ 37 kW
SV370DBU-2
200V
45 ~ 55 kW
SV550DBU-2
Group 2.
See 4) Dimensions
400V
11 ~ 15 kW
SV150DBU-4
400V
18.5 ~ 22 kW
SV220DBU-4
Group 1.
See 4) Dimensions
400V
30 ~ 37 kW
SV370DBU-4
400V
45 ~ 55 kW
SV550DBU-4
Non UL
type
400V
75 kW
SV750DBU-4
Group 2.
See 4) Dimensions
200V
11 ~ 15 kW
SV150DBU-2U
200V
18.5 ~ 22 kW
SV220DBU-2 U
200V
30 ~ 37 kW
SV370DBU-2 U
200V
45 ~ 55 kW
SV550DBU-2 U
400V
11 ~ 15 kW
SV150DBU-4 U
400V
18.5 ~ 22 kW
SV220DBU-4 U
400V
30 ~ 37 kW
SV370DBU-4 U
400V
45 ~ 55 kW
SV550DBU-4 U
UL
Type
400V
75 kW
SV750DBU-4 U
Group 3.
See 4) Dimensions
2)
Terminal configuration
- Group 1:
- Group 2:
- Group 3:
Terminal
Description
G
Grounding terminal
B2
Connect it to DB Resistor terminal B2
B1
Connect it to DB Resistor terminal B1
N
Connect it to Inverter terminal N
P
Connect it to Inverter terminal P
CM
Common for Terminal OH
OH*
Overheat Trip Output Terminal
(Open Collector output: 20mA, 27V DC)
B2
B1
N
P
CM
OH
G
N
B2 P/B1
G
B2
B1
N
P
G
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