UNA677 Series Industrial Alternator

3000/4500kVA,400/480V,50/60Hz,4/6Pole

 

The Unialte UNA677 Series Alternator is a reliable, high-performance solution designed to operate efficiently across a wide range of applications, delivering maximum value to customers worldwide. Backed by over 40 national patents, Unialte is committed to innovation and original design—offering products that are truly non-copy and patented.

The UNA677 alternator supports both 400V and 480V generator systems, delivering excellent energy conversion efficiency, an optimized ventilation structure, and a maintenance-friendly design concept, all contributing to significantly lower operational costs.

Its compact, shockproof structure makes it highly adaptable across various installation environments. The addition of marine-grade varnish ensures the alternator is moisture-proof, mold-resistant, and anti-fogging, greatly extending its service life, especially in harsh or humid conditions.

 

Description

Key Advantages:

 

 

 

  1. Compact Dimension Design
    • Improved ventilation and heat dissipation
    • Significant cost savings
  2. Original and Recognizable Appearance
    • High product identification
    • Fully patented and non-copy design
  3. Enhanced Surface Protection
    • Marine varnish coating for durability in tough environments
  4. Proven Innovation
    • Over 40 design patents, including 3 appearance patents

 

  • Power Range: 3000/4500kVA
  • Voltage Range: 400/480V
  • Frequency: 50/60Hz
  • Pole: 4/6

 


Model: A/B/C/D
50Hz Continuous (kVA): 3000/4500kVA
60Hz Continuous (kVA): 3600~4500
Winding Pitch: 2/3
Insulation Class: H
AVR: ETC-2

 

Options: CT, PT
Space heater
Excitation System: self-excitation/PMG