Norden’s Maxpower Pro Series 20 kVA UPS is an online double conversion UPS that features 3/3, 3/1 operation and a unity output power factor.This model features a convertible rack-tower design and parallel redundancy capabilities, making it ideal for data center applications.

• LCD support Rack/Tower convertible design
• N+X parallel redundancy, support maximum  4 units in parallel 
• Online double conversion with full digital control
• Wide input frequency range 40~70Hz 
• Wide input voltage range:208~478Vac
• Input current harmonic:<3%
• Maximum Charging current up to 20A(Settable) 
• Dual Input Sources
• ECO mode operation for energy saving
• Support 3/3 and 3/1 and 1/1 operation 
• Generator compatible
• Cold Start
• Self-testing when UPS start-up
• 50/60Hz Frequency converter mode
•  Intelligent fan speed regulation 
• The quantity of battery:30-50pcs is settable