The DBU braking unit diverts regenerative energy from an inverter DC bus into an external braking resistor, where the energy is converted to heat during motor deceleration.
Type | Mounting Hole Size (mm) | Terminal Screw Size | Wire Size (mm2) |
|---|---|---|---|
2015/2030/4015/4030/4045 | 6 | M4 | 4-6 |
4220 | 8 | M8 | 16-36 |
Model | Dimensional Drawing | Rated braking current | Max.Braking Current | Chopper Voltage | Mounting Hole Size | Terminal | Weight（kg） | Cable(mm) |
|---|---|---|---|---|---|---|---|---|
DBU-2015 | A | 15A | 50A | DC380V±5V | 6 | M4 | 2.3 | 4-6 |
DBU-2022 | 25A | 75A | DC380V±5V | 6 | M4 | 2.3 | 4-6 | |
DBU-2030 | 30A | 90A | DC380V±5V | 6 | M4 | 2.3 | 6-8 | |
DBU-4030 | 15A | 50A | DC630/DC660/DC690V/DC730V±10V | 6 | M4 | 2.3 | 4-6 | |
DBU-4045 | 25A | 75A | DC630/DC660/DC690V/DC730V±10V | 6 | M4 | 2.3 | 4-6 | |
DBU-4110 | B | 60A | 200A | DC630/DC660/DC690V/DC730V±10V | 8 | M8 | 13.2 | 16-36 |
DBU-4220 | 85A | 300A | DC630/DC660/DC690V/DC730V±10V | 8 | M8 | 13.2 | 16-36 | |
DBU-4300 | 120A | 500A | DC630/DC660/DC690V/DC730V±10V | 8 | M8 | 13.2 | 25-50 | |
DBU-6220 | 85A | 300A | DC630/DC660/DC690V/DC730V±10V | 8 | M8 | 13.2 | 16-36 |
Inverter | Braking Unit | Braking resistor | ||||
|---|---|---|---|---|---|---|
Voltage(V) | Motor(KW) | Model | Qty(PCS) | Recommend resistor value | Resistor specification | Qty(PCS) |
220V | 0.75KW | Built-in | 80W200Ω | 80W200Ω | 1 | |
1.5KW | Built-in | 200W100Ω | 200W100Ω | 1 | ||
2.2KW | Built-in | 300W70Ω | 300W70Ω | 1 | ||
3.7KW | Built-in | 400W40Ω | 400W40Ω | 1 | ||
380V | 0.75KW | Built-in | 80W750Ω | 80W750Ω | 1 | |
1.5KW | Built-in | 200W400Ω | 200W400Ω | 1 | ||
2.2KW | Built-in | 300W250Ω | 300W250Ω | 1 | ||
3.7KW | Built-in | 400W150Ω | 400W150Ω | 1 | ||
5.5KW | Built-in | 600W100Ω | 600W100Ω | 1 | ||
7.5KW | Built-in | 800W75Ω | 800W75Ω | 1 | ||
11KW | Built-in | 1000W50Ω | 1000W50Ω | 1 | ||
15KW | Built-in | 1500W40Ω | 1500W40Ω | 1 | ||
18.5KW | Built-in | 1 | 2500W35Ω | 2500W35Ω | 1 | |
22KW | Built-in | 1 | 3000W27.2Ω | 1500W54Ω | 1 | |
30KW | 4030 | 1 | 5000W19.2Ω | 2500W40Ω | 2 | |
37KW | 4045 | 1 | 6000W16Ω | 2000W50Ω | 3 | |
45KW | 4045 | 2 | 9600W13.6Ω | 2500W54Ω | 4 | |
55KW | 4030 | 2 | 12000W10Ω | 2000W60Ω | 6 | |
75KW | 4045 | 2 | 16000W7.5Ω | 2500W60Ω | 8 | |
Braking Resistor Box | Quantity(PCS) | |||||
90KW | 4030 | 3 | 9600W20Ω | 3 | ||
100KW | 4220 | 1 | 9600W20Ω | 3 | ||
132-160KW | 4220 | 1 | 40KW3.4Ω | 1 | ||
185-220KW | 4220 | 1 | 60KW3.2Ω | 1 | ||
250-315KW | 4220 | 2 | 40KW4.5Ω | 2 | ||
315-600KW | 4220 | 3 | 60KW3Ω | 3 | ||
Model | AC200V-AC300V | AC380V~AC460V | ||||||
|---|---|---|---|---|---|---|---|---|
2015 | 2022 | 2030 | 4030 | 4045 | 4220 | 4300 | ||
Input And Output | Peak current (A) | 50 | 75 | 90 | 50 | 75 | 300 | 400 |
Rated Current(A) | 15 | 25 | 30 | 15 | 25 | 85 | 120 | |
Breaking initial voltage | 380±5V | 630/660/690/730/760V±10V | ||||||
Maximum Hysteresis Error | About 8V | About 16V | ||||||
Multiple units | Maximum: breaking unit are parallel connected | |||||||
Power | DC Bus Voltage Range | DC 243~400V | DC460~800V | |||||
Indication Function | Power ON | The red "power" LED will be on when the inverter DC Bus voltage is above ~35VDC | ||||||
Braking ON | The green "braking" LED will be on during braking unit work | |||||||
Ambient | Temperature | -10C~+40C ( -10C~+50C for store) | ||||||
Humidity | 90% RH (no dew) | |||||||
Vibration | 1G(10~20HZ), 0.2G ( 20~50HZ) | |||||||
Protection | IP20 | |||||||
Structure | Wall mounted | |||||||
