Tel : 82-32-817-4325
Fax : 82-32-817-4329
Resistors And
Resistive Applications
DBU
Dynamic Braking Unit
■ Features
- Used for load with relatively high damping frequency(ED), 20%.
- Up to a max of 4 parallel driving control units is possible.
- Used for load with high damping frequency.
■ GENERAL SPECIFICATIONS
Damping Resistance
Max Input Direct Applicable Inverter Capacity
Model
Min Resistance
Current Voltage
[kW]
Capacity[kW]
Value[Ω ]
8.5 Ω
IT150DBU-2H
IT220DBU-2H
IT370DBU-2H
IT550DBU-2H
IT150DBU-4H
IT220DBU-4H
IT370DBU-4H
IT550DBU-4H
IT750DBU-4H
11 kW
18.5 kW
37 kW
15 kW
30 kW
3.2 kW
4.8 kW
6.4 kW
9.6 kW
3.2 kW
4.8 kW
6.4 kW
9.6 kW
12.8 kW
5.7 Ω
22 kW
55 kW
200V series
DC 400V
4.2 Ω
45 kW
2.8 Ω
33.9 Ω
22.8 Ω
16.9 Ω
11.4 Ω
8.4 Ω
11 kW
18.5 kW
30 kW
15 kW
22 kW
37 kW
55 kW
400V series
DC 800V
45 kW
75 kW
■ CHARACTERISTICS
■ DIMENSIONS
Surrounding
Temp
-10℃ ~ 40℃
Relative humidity of under 90% RH(Should be no
dew condensation)
Humidity
Altitude
Under 1000m above the sea level
Natural cooling
Cooling way
There should be no corrosive gas inside panel,
oil remnant,
Surrounding
circumstance
inflammable gas and dust inside panel.
Max Turn
on time
6sec
Protecting
function
Protection of heat sink’s overheating, over current
and output shortcut
Output signal
HEAT SINK heating, FUSE OPEN, OC trip signal
Parallel
driving
Up to a max of 3 parallel driving units is possible.
Allowed
damping
frequency
Ave damping
torque
Without cooling FAN, 10%
100%
Website : http://www.raraohm.com Email : sg@raraohm.com