Mitsubishi Electric UFS40 braking unit:
General Overview
- Model: UFS40
- Type: Resistor Brake Unit
- Function: Dissipates regenerative energy from the inverter to prevent overvoltage
- Rated Voltage: 460 V AC
- Rated Power: 50 HP to 75 HP (approx. 37 kW to 55 kW)
- Application: Compatible with Mitsubishi FREQROL series inverters (e.g., FR-A800, FR-F800)
Electrical & Performance Specs
| Attribute |
Value |
| Braking Voltage |
745 V DC (default), 778 V DC (max) |
| Max. Peak Current |
55 A |
| Continuous Braking Current |
34 A |
| Max. Short-Term Power |
41 kW |
| Recommended Resistor |
13.5 |
| Power Dissipation (ED 10%) |
42–47 W depending on voltage setting |
