In Stock

Galaxy Series 3 KVA 3U Rugged True Online UPS with External Battery Drawers


  • Ruggedization against high shock, vibration, and humidity
  • MS connectors
  • 400 Hz input and / or output
  • Chassis Slide guides
  • Solid state transfer switch (Standard on some models)
  • Additional battery back-up time (up to 24 hours available)
  • Premium batteries with up to 10 year life
  • Custom Paint
  • Custom Enclosures
SKU: 5175 Category:


[typography font=”PT Sans” size=”12″ size_format=”px” color=”#ff0000″]Legacy UPS: This UPS Series is an older generation suitable for legacy military programs and other speciality applications. Nova Electric still services these models if required, but for new programs and most military / industrial / commercial applications, please consult with your Nova salesperson who will direct you to our more current offerings.[/typography]

Nova’s Galaxy-Series 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-STD-901, MIL-STD-1472, MIL-STD-461, and other standards optionally. These models utilize True On-Line technology and the most durable componentry, 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
  • Heavy-Duty Industrial Applications
  • Demanding Commercial Applications
  • Communications Systems


  • Voltage (select): 115, 120, 208, 220, 230, 240 VAC 1Ø
    115/200, 120/208, 220/380 3Ø
    Input voltage autoselect available, consult factory
  • Frequency: 50 Hz, 60 Hz, and 400 Hz available
    Dual input frequency available, consult factory
  • Connections: MS connector (mates optional)
  • Voltage (specify): 115,120, 208, 220, 230, 240 VAC, 1Ø
  • Frequency: 50 Hz, 60 Hz, and 400 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)
  • Power factor: 0.7 lead to 0.7 lag
  • Harmonic distortion: 5% THD
  • Efficiency at full load: 85% to 87% AC-AC Typical
  • 3 KVA UPS Dimensions: 5.25 High x 19 Wide x 22.25 Deep
  • 3U Battery Dimensions: 5.25 High x 19 Wide x 22 Deep
  • 4U Battery Dimensions: 7 High x 19 Wide x 24 Deep
  • Overload: 125% for 10 minutes
    1000% for one cycle  (Via optional transfer switch)
  • MTBF: 30,000 hours per MIL-HDBC-217 (ground fixed, 25 °C)
  • MTTR: 30 minutes with qualified personnel
  • Ambient operating temperature range: -20° to +50° C*
  • Storage temperature range: -40° to +60° C*
  • Humidity: to 95% RH non-condensing – Designed to meet MIL-STD-810. All boards conformal coated with Acrylic MIL-I-46058 Type R.
  • Shock: 20g, 11 mS half sinewave – Designed to meet MIL-STD-810 optionally
  • EMI: Designed to meet FCC Part 15, Class A. Designed to meet MIL-STD-461 with optional additional filtering.
    *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. Click here for more information on The Effects of Extreme Temperatures on Batteries.
  • 15,000 ft. (4,572 m) operating**
    40,000 ft. (12,192 m), non-operating**
    **For batteries, please follow battery manufacturer instructions regarding recommended elevation parameters.
  • Less than 55 dBA at 5 ft. (1.5 m)
  • MIL-STD-810C
  • Circuit Breakers: Battery Charger Input, Battery Input
  • Fuses: Inverter Input, AC Bypass Input (if optional transfer switch is supplied)
  • Low Battery Shut Off
  • Overload Protected
  • Thermal Protection
  • Output Short Circuit Protection
  • Transient Protection (available to MIL-STD-1399
  • Audible Alarm with Silence Switch
RS 232
  • This model includes bi-directional RS 232 as a standard feature
  • Major Alarm: Logic Fault, Low Battery, Over-Temperature, UPS Off, UPS Overloaded
  • Minor Alarm: Utility Off, Load on Utility
  • 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


  • Ruggedization against high shock, vibration and humidity
  • MS connector mates
  • Multiple output outlets
  • Chassis Slide Guides
  • Electromechanical transfer switch
  • Custom enclosures
  • 3Ø Power Input
  • Premium Wide-Temp Range VRLA batteries with up to 12 year life
  • “LIFE” models feature internal Lithium Iron Phosphate batteries with embedded Battery Management System for substantial weight savings and longer run time.
  • Additional run time via external batteries
  • 400 Hz input and / or output
  • CAD Free Connectors
  • Non-PVC wiring
  • 28 VDC Input
  • High IP Protection for front / rear panels (typically IP32,) including louvers on all intake and exhaust, as well as fully gasketed breakers, switches, and indicators.
  • AUX DC Outputs
  • RTCA/DO-160G Compliant Aircraft Grade Package
  • Power Distribution Units (PDUs)
  • Environmental Stress Screening Services