The CDBR braking unit, leveraging advanced German technology, achieves a harmonious blend of low cost and high efficiency, standing out in motor deceleration control. Designed specifically to address the issue of excessive pump-up voltage during rapid or precise motor deceleration, it ensures the safe and stable operation of equipment.
During deceleration, motors often generate substantial regenerative electrical energy. If not properly managed, this energy can lead to excessive pump-up voltage, potentially damaging electrical devices and systems. The CDBR braking unit effectively mitigates this issue by rapidly absorbing and dissipating the regenerative energy through its integrated braking resistor, thereby preventing the occurrence of pump-up voltage and safeguarding equipment operation.
Moreover, the CDBR braking unit boasts a highly reliable design and superior manufacturing craftsmanship, ensuring optimal performance from every product. Its compact structure and straightforward installation process provide users with utmost convenience. Whether in industrial automation production lines, robot control systems, elevators, lifting equipment, or other applications, the CDBR braking unit demonstrates its unique advantages and value.
In summary, the CDBR braking unit, with its advanced technology, exceptional performance, reliable design, and cost-effectiveness, has emerged as a leader in motor deceleration control, offering safe, efficient, and economical solutions for various transmission applications.
2.1 Technical Specifications | |
Braking method. | Voltage tracking method. |
Reaction time. | There are multiple noise filtering algorithms available for <1ms. |
Grid voltage | 300V-460Vac,45-66HZ |
Action voltage. | 630/660/690/730/760V +/-10V |
Induced voltage. | 10V |
Protection/Cooling | Overheating, overcurrent, short circuit/internal cooling fan. |
Noise filtering | there |
Protection level. | IP00 |
2.2Electrical characteristics | ||||
Specification model. | Braking mode. | Minimum resistance. | rated current | Peak current |
CDBR-4030C | energy consumption-based | 20Ω | 15A | 50A |
CDBR-4045C | energy consumption-based | 13.6Ω | 25A | 75A |
CDBR-4055C | energy consumption-based | 12.5Ω | 30A | 85A |
CDBR-4075C | energy consumption-based | 10Ω | 33A | 100A |
CDBR-4110C | energy consumption-based | 6.8Ω | 50A | 150A |
CDBR-4160C | energy consumption-based | 5Ω | 70A | 200A |
CDBR-4220C | energy consumption-based | 3.2Ω | 85A | 300A |
CDBR-4300C | energy consumption-based | 2.5Ω | 110A | 400A |
Model number. | Length x Width x Height (mm) | Installation hole (mm) |
CDBR-4030C | 185×145×102 | 155×135 M6×4 |
CDBR-4045C | 185×145×102 | 155×135 M6×4 |
CDBR-4055C | 185×145×102 | 155×135 M6×4 |
CDBR-4075C | 320×187×163 | 304×120 M6×4 |
CDBR-4110C | 320×187×163 | 304×120 M6×4 |
CDBR-4160C | 320×187×163 | 304×120 M6×4 |
CDBR-4220C | 410×254×203 | 386×203 M6×4 |
CDBR-4300C | 410×254×203 | 386×203 M6×4 |
Selection of Brake Resistors
CDBR Energy-Saving Braking Unit 380V Grid-Matching Resistance Recommended Table (Resistance value determines braking torque, resistance power depends on braking frequency Kc; the following table shows the braking torque at approximately 100% and the resistance power at Kc=10%) | ||
Motor kW | Resistance (Approximately) | Braking torque (approx.) |
7.5kW | 75Ω 780W | 100% |
11kW | 50Ω 1040W | 100% |
15kW | 40Ω 1560W | 100% |
18.5kW | 30Ω 4800W | 100% |
22kW | 27.2Ω 4800W | 100% |
30kW | 20Ω 6000W | 100% |
37kW | 16Ω 9600W | 100% |
45kW | 14Ω 9600W | 100% |
55kW | 10Ω 12kW | 100% |
75kW | 6.8Ω 20kW | 100% |
90kW | 6.6Ω 30kW | 100% |
110kW | 6.6Ω 30kW | 100% |
132kW | 6Ω 40kW | 100% |
160kW | 3.7Ω 40kW | 100% |
185kW | 3.5Ω 50kW | 100% |
220kW | 3.2Ω 60kW | 100% |