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Galaxy Series Rugged Three-Phase 3-8 KW True Online UPS


  • Three-Phase Output Design
  • SNMP Communications Available Optionally
  • Premium Long Life / Wide-Temp Batteries Available Optionally
  • Lithium Iron Phosphate Batteries Available Optionally
  • Double-Conversion UPS Systems
  • Rack-Mount, Double-Conversion UPS Systems
  • Rugged UPS System
  • Military UPS System
  • True Online UPS Technology


Nova’s Galaxy-Series True Online UPS Systems are high-reliability power sources specifically designed for demanding applications in high shock, vibration, humidity, and EMI environments. They can be built to meet MIL-STD-810, MIL-S-901, MIL-STD-1472, MIL-STD-461, MIL-STD-167 and other standards optionally. These models offer robust construction and utilize the most durable components, offering maximum field-proven reliability for severe environment and high reliability applications such as:

  • Military Applications: Including HMMWV, UAV, Shipboard, Submarine, Aircraft, Mobile Power Units, Shelters, Transportable Systems, Tactical Systems, Ground Support, and more in compliance to MIL-STD-810, MIL-S-901, MIL-STD-1472, MIL-STD-461, MIL-STD-167 and other standards.
  •  Heavy-Duty Industrial Applications
  • Demanding Commercial Applications
  • Communications Systems
  • Tactical Systems
  • Shipboard Power


  • Input Voltage (select): 120/208 VAC, 220/380 VAC, or 277/480 VAC +/- 10%
  • Output Voltage (select): 120/208 VAC, 220/380 VAC, or 277/480 VAC
  • Frequency: 50 Hz, 60 Hz, 400 Hz, 50/60 Hz available
  • Voltage Regulation: +/-2% no load to full load
  • Dynamic Voltage Regulation: +/-10% for 100% load change
  • Frequency Regulation: +/-0.5% no load to full load (Free running)
  • Distortion: Less than 5% T.H.D.
  • Power Factor: 0.7 lead to 0.7 lag
  • Harmonic Distortion: 5% THD
  • Efficiency at Full Load: 75% to 80% AC-AC Typical
  • Sync & Phase Lock Range*: +/-3 Hz Typical   * SYNC disabled on certain models
  • Efficiency: Approximately 80% input-to-output at full load (Typical)
  • Power Factor: 0.75 lead to 0.75 lag
  • Cooling: Forced air (rear exhaust)
  • Connections: MS connectors standard – mates optional
  • Overload: 125% for 10 minutes
    1000% for one cycle (Via optional static transfer switch)
  • MTBF: 30,000 hours per MIL-HDBK-217
  • MTTR: 30 minutes per qualified personnel
  • Ambient Operating Temperature Range: -20° to +50° C*
  • UPS Storage Temperature: -40° to +71°C
  • Battery Storage temperature: up to -40° to +80°C available*
  • Humidity: Designed to meet MIL-STD-810 to 95% RH non-condensing. All boards conformal coated with Acrylic MIL-I-46058 Type R.
  • Shock: Designed to meet MIL-STD-810 to 20g, 11 mS half sinewave
  • EMI: Designed to meet FCC Part 15, Class A. Can meet MIL-STD-461 with optional additional filtering.
  • Elevation: 15,000 ft. (4,572 m) operating**
    40,000 ft. (12,192 m), non-operating**
  • Audible Noise: Less than 55 dBA at 5 ft. (1.5 m)
  • Transportation and Handling: MIL-STD-810

*For best results, batteries must be kept at 25 degrees Celsius ambient temperature. Extreme low temperatures will result in reduced run time, while extreme high temperatures result in significantly reduced battery lifespan.

**For batteries, please follow battery manufacturer instructions regarding recommended elevation parameters.

  • Circuit Breakers: Battery Charger Input, Battery Input
  • Fuses: Inverter Input, AC Bypass Input
  • Protections: Low Battery Shut Off, Overload Protected, Thermal Protection, Output Short Circuit Protection, and Transient Protection (available to MIL-STD-1399)
  • Audible Alarm: Audible Alarm with Silence Switch standard
  • Remote Contacts: Available
  • Major Alarm: Logic Fault, Low Battery, Over-Temperature, UPS Off, UPS Overloaded
  • Minor Alarm: Utility Off, Load on Utility

Standard Front Panel Diagnostics

  • System Status: Green/Red
  • Utility Off: Red
  • UPS Off: Red
  • Low Battery: Red
  • Logic Fault: Red
  • UPS Overload: Red
  • Over-Temperature: Red
  • Load on Utility: Red
  • AC & DC Voltage: Meter
  • External Solid State Transfer Switch(5.25 High x 19 Wide x 17 Deep)
  • Premium 10 Year Life Wide Temperature Range Batteries
  • SNMP or RS232
  • Power Distribution Units
  • MS Connector Mates and Multiple Output Outlets
  • Chassis Slide Guides
  • Rugged Transit Cases and Custom Enclosures
  • Additional Run Time via External Batteries
  • 400 Hz Input and / or Output
  • Internal Lithium Iron Phosphate Batteries for Substantial Weight Savings and Longer Runtime, Including Embedded Battery Management System
  • CAD Free Connectors
  • Non-PVC wiring
  • High IP Protection for front / rear panels
  • AUX DC Outputs
  • Environmental Stress Screening Services