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

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
  • Description
  • Models
  • Specifications


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.

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

Partial Model Selection
(Our most popular models are listed below. Many additional models are available – Please consult factory for details)

Model KVA Input Input (Amps) Output UPS (Lbs) Run Time with 1/2 3U Bat. Packs (Min) Run Time with 1/2 4U Bat. Packs (Min)
GRSL11-3K60-120-120 3 120VAC 43 120VAC – 60Hz 85 18/45 45/110
GRSL11-3K50-220-220 3 220VAC 26 220VAC – 50Hz 85 13/32 30/75
GRSL11-3K400-115-115 3 115VAC 43 115VAC – 400HZ 85 18/45 45/110
GRSL11-3K60-120/208-120 3 120/208VAC 15 120VAC – 60HZ 85 18/45 45/110
Model 3U Battery 3U Bat. (Lbs) 4U Battery 4U Bat (Lbs)
GRSL11-3K60-120-120 120 PC3K-96-2-HR1234W PC3K-96-2-17AH 235
GRSL11-3K50-220-220 95 PC3K-144-2-HR1234W PC3K-144-17AH 188
GRSL11-3K400-115-115 120 PC3K-96-2-HR1234W PC3K-96-2-17AH 235
GRSL11-3K60-120/208-120 120 PC3K-192-HR1234W PC3K-192-17AH 235
3U Battery Drawer 4U Battery Drawer EPO Battery Notes
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  • 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
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