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Regenerative braking unit SRBU-100H-400-6
€9,980.00*
Details
+49 421 277 9999
Product information "Regenerative braking unit SRBU-100H-400-6"
SRBU-100H – Regenerative unit for energy-efficient drive systems
The SRBU-100H is a powerful regenerative unit for efficient feed-back of braking energy into the supply grid. Instead of converting excess energy into heat via braking resistors, the SRBU-100H feeds the energy generated during braking back into the power grid with low losses. This lowers energy costs, reduces heat generation in the control cabinet, and increases the service life of the entire drive technology.
The regenerative unit is ideally suited for applications with frequent braking cycles, high moments of inertia, or large moving masses – for example in conveying technology, machine tools, hoists, winding machines, test benches, or production systems.
Highlights
- Energy feed-back into the supply grid instead of energy dissipation via braking resistors
- Mains voltage 520 V (-15 %) to 690 V (+10 %)
- Standard DC-link voltage 890 VDC
- Automatic or manual start of recuperation
- Continuous operation with full rated current
- Overload capability up to 150 % of rated current for 60 seconds
- Input and output choke included in the scope of delivery
- High power factor (> 0.9)
- Compact design for the control cabinet
- High operational reliability through extensive protective functions
Technical data
Electrical data:
- Rated power: 400 kW
- Rated current (on the DC side): 400 A DC
- Rated current (on the AC side): 330 A AC
- Mains voltage range: 520 V (-15 %) to 690 V (+10 %)
- AC voltage: 660 V AC, 50/60 Hz
- Standard DC-link voltage: 890 VDC
- Current control with 120° control method
- Power factor: > 0.9
- Voltage unbalance: < 2 %
- Permissible frequency deviation: < 3 Hz
Performance data:
- Continuous operation with 100% of rated current
- Braking torque: 100% in continuous operation
- Overload capability: 150% of rated current for 60 seconds
- Automatic or manual recuperation
- Adjustable switching thresholds in automatic mode:
- Recuperation start: 0–240 V above standard DC-link voltage
- Recuperation end: 0–120 V above standard DC-link voltage
Operation and interfaces:
- Operation via keypad or external control terminals
- LED operator panel with status display
- Relay output for fault/status notification
- Analog output 0–10 V
Protective functions:
- Overcurrent protection (330% of rated current on the DC side)
- Overvoltage protection: 1185 V DC
- Overtemperature protection
- Phase loss detection on the mains side
- Mains frequency monitoring
- Protection class IP20
Layout and dimensions (in mm):
Model (in kW) |
W2 |
W3 |
H2 |
W1 |
H1 |
H3 |
D |
Bore diameter |
Recommended mounting screw |
Net weight [kg] |
Installation dimensions |
Overall dimensions |
|||||||||
| Voltage class: 400 V | ||||||||||
| 22-45 | 130 | 140 | 563.5 | 220 | 577 | 622.6 | 236 | Ø7 | M6×16 | 26 |
| 55-132 | 130 | 140 | 563.5 | 320 | 577 | 622.6 | 261 | Ø7 | M6×16 | 27 |
| 160-250 | 250 | 250 | 732 | 440 | 750 | 782.9 | 326.2 | Ø9 | M8×16 | 54 |
| Voltage class: 690 V | ||||||||||
| 55-160 | 130 | 140 | 563.5 | 320 | 577 | 622.6 | 261 | Ø7 | M6×16 | 31 |
| 200-400 | 250 | 250 | 732 | 440 | 750 | 782.9 | 326.2 | Ø9 | M8×16 | 54 |
|
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Scope of delivery
- Input choke
- Output choke
Notes on design and installation
- The supplied input choke is part of the system and must be used together with the SRBU-100H.
- When using a common DC link, a frequency inverter with the same or comparable rated power should be used.
- The SRBU output cable must be connected on the output side of the input choke.
- A mains filter is optionally available and should be selected according to the total power of the connected inverters.
- The fuse protection must be designed according to 1.5 to 2 times the DC-link current.
- The voltage class of the SRBU must match that of the frequency inverter used.
- The rated power of the Regenerative braking unit must be at least equal to the maximum regenerative power occurring during braking.
Typical application areas
- Conveying and intralogistics systems
- Machine tools
- Hoisting and crane systems
- Test benches
- Winding machines
- Centrifuges
- Elevator and stage technology
- Production and automation systems
- Applications with frequent braking operations and high recovered energy
With the SRBU-100H, you receive a reliable and economical solution for feeding back braking energy. The unit increases the energy efficiency of your drive systems, reduces heat generation in the control cabinet, and contributes to a sustainable reduction of operating costs.