UNA577 Series Industrial Alternator
1650/2700kVA，400/480V，50/60Hz，4/6Pole
The Unialte UNA577 Series is a high-capacity, self-excited industrial alternator, delivering power outputs from 1650 to 2700 kVA in both 4-pole and 6-pole configurations. This model offers flexible reconnection between single-phase and three-phase, making it ideal for a broad range of generator systems.
Supporting both 400V and 480V generators, the UNA577 provides outstanding energy conversion efficiency, an optimized ventilation structure, and a maintenance-friendly design—ensuring significant cost savings over time.
With its compact, shockproof design, the UNA577 is well-suited for challenging operating conditions. The addition of marine-grade varnish offers protection against moisture, mold, and fog, greatly extending the service life of this high-power alternator.
Backed by over 40 national patents in alternator design and manufacturing, Unialte ensures that every product delivers reliable performance, innovative engineering, and maximum value across industrial power applications.
Description
Key Advantages:
- Shorter Dimension Design
- Improved ventilation and heat dissipation
- Reduced installation space and overall cost
- Distinctive, Patented Appearance
- High brand recognition
- 100% original – no copy design
- Marine-Grade Protection
- Enhanced durability in harsh environments
- Patent-Driven Engineering
- 40+ national design patents
- 3 exclusive patents on appearance
- Power Range: 1650/2700kVA
- Voltage Range: 400/480V
- Frequency: 50/60Hz
- Pole: 4/6
| Model: | B/C/D/E/F |
| 50Hz Continuous (kVA): | 1650~2250 |
| 60Hz Continuous (kVA): | 1980~2700 |
| Winding Pitch: | 2/3 |
| Insulation Class: | H |
| Excitation System: | self-excitation |
| AVR: | ETC-2 |
| Options: | CT, PT |
| Space heater | |
| Excitation System: | self-excitation/PMG |
