railway inverters/DC-AC inverter photo
Railway Inverters/DC-AC Inverter
Galaxy Series

Rugged, Lightweight Cabinet Sinewave DC-AC Inverter

72 VDC Nominal Input / Pure Sine-Wave Output

The transformer isolated Galaxy Series pure sinewave DC – AC inverters are extremely rugged by design, and feature an optional advanced Internal Suppression Filter Network (ISFN) to suppress the significant transients usually associated with rail and military applications. These pure sinewave DC-AC inverter units are also extremely reliable, designed to provide many years of service in harsh shock, vibration, humidity, and EMI environments. Please contact us for a price quote of a Nova Electric pure sinewave DC-AC inverter system.

  • Rail
  • Military programs, vehicular, shipboard
  • AC Power from vehicle battery
  • Communications
  • Shelters
  • Utility Applications

Standard Product Listing
62-84 VDC Operating Input / 120 VA – 10+ KVA
(Consult factory for higher power ratings)
60 Hz Models
60 Hz Models Output VAC Output Freq. (Hz) Cont. Output Power Approx. Weight (Lb) Size in.(HxWxL) Outline Drawing
GH5060-72 120 60 500VA 95 24×20.75×7.15 pdf_icon GH5060-72
GH1K60-72 120 60 1KVA 95 24×20.75×7.15 pdf_icon GH1K60-72
GH2K60-72 120 60 2KVA 120 30x24x8 pdf_icon GH2K60-72
GH3K60-72 120 60 3KVA 130 30x24x12 pdf_icon
GH5K60-72 120 60 5KVA 140 30x24x12 pdf_icon
GH7.5K60-72 120 60 7.5KVA 175 36x24x16 pdf_icon
GH10K60-72 120 60 10KVA 260 36x24x16 pdf_icon
GH15K60-72 120 60 15KVA 350 42x30x21.20
GH20K60-72 120 60 20KVA C/F 42x30x21.20
GH25K60-72 120 60 25KVA C/F 54x36x16 pdf_icon
GH30K60-72 120 60 30KVA C/F 54x36x16 pdf_icon
GH35K60-72 120 60 35KVA C/F 54x36x16 pdf_icon
50 Hz Models
50 Hz Models Output VAC Output Freq. (Hz) Cont. Output Power Approx. Weight (Lb) Size in.(HxWxL) Outline Drawing
GH5050-72(220) 220 60 500VA 95 24×20.75×7.15 pdf_icon GH5060-72
GH1K50-72(220) 220 60 1KVA 95 24×20.75×7.15 pdf_icon GH1K60-72
GH2K50-72(220) 220 60 2KVA 120 30x24x8 pdf_icon GH2K60-72
GH3K50-72(220) 220 60 3KVA 130 30x24x12 pdf_icon
GH5K60-72(220) 220 60 5KVA 140 30x24x12 pdf_icon
GH7.5K50-72(220) 220 50 7.5KVA 175 36x24x16 pdf_icon
GH10K50-72(220) 220 50 10KVA 260 36x24x16 pdf_icon
GH15K50-72(220) 220 50 15KVA 350 42x30x21.20
GH20K50-72(220) 220 50 20KVA C/F 42x30x21.20
GH25K50-72(220) 220 60 25KVA C/F 54x36x16 pdf_icon
GH30K50-72(220) 220 60 30KVA C/F 54x36x16 pdf_icon
GH35K50-72(220) 120 60 35KVA C/F 54x36x16 pdf_icon
400 Hz Models
400 Hz Models Output VAC Output Freq. (Hz) Cont. Output Power Approx. Weight (Lb) Size in.(HxWxL) Outline Drawing
GH50400-72(115) 115 60 500VA 95 24×20.75×7.15 pdf_icon GH5060-72
GH1K400-72(115) 115 60 1KVA 95 24×20.75×7.15 pdf_icon GH1K60-72
GH2K400-72(115) 115 60 2KVA 120 30x24x8 pdf_icon GH2K60-72
GH3K400-72(115) 115 60 3KVA 130 30x24x12 pdf_icon
GH5K 400-72(115) 115 60 5KVA 140 30x24x12 pdf_icon
GH7.5K400-72(115) 115 400 7.5KVA 175 36x24x16 pdf_icon
GH10K400-72(115) 115 400 10KVA 260 36x24x16 pdf_icon
GH15K400-72(115) 115 400 15KVA 350 42x30x21.20
GH20K400-72(115) 115 400 20KVA 350 42x30x21.20
GH25K400-72(115) 115 400 25KVA C/F 54x36x16 pdf_icon
GH30K400-72(115) 115 400 30KVA C/F 54x36x16 pdf_icon
GH35K400-72(115) 115 400 35KVA C/F 54x36x16 pdf_icon
3 Phase Models
Models Output VAC Output Freq. (Hz) Cont. Output Power Approx. Weight (Lb) Size in.(HxWxL) Approx. Efficiency Outline Drawing
GH1.5K3/5-72 220/380 50 1.5KVA 150 24×20.75×7.15 88% pdf_icon
GH1.5K3/6-72 120/208 60 1.5KVA 150 24×20.75×7.15 88% pdf_icon
GH1.5K3/4-72 115/200 400 1.5KVA 120 24×20.75×7.15 88% pdf_icon
GH3K3/5-72 220/380 50 3KVA 180 30x24x12 88% pdf_icon
GH3K3/6-72 120/208 60 3KVA 160 30x24x12 88% pdf_icon
GH3K3/4-72 115/200 400 3KVA 140 30x24x12 88% pdf_icon
GH6K3/5-72 220/380 50 6KVA 220 36x24x16 88% pdf_icon
GH6K3/6-72 120/208 60 6KVA 200 36x24x16 88% pdf_icon
GH6K3/4-72 115/200 400 6KVA 180 36x24x16 88% pdf_icon
GH7.5K3/5-72 220/380 50 7.5KVA 260 36x24x16 88% pdf_icon
GH7.5K3/6-72 120/208 60 7.5KVA 240 36x24x16 88% pdf_icon
GH7.5K3/4-72 115/200 400 7.5KVA 260 36x24x16 88% pdf_icon
GH15K3/5-72 220/380 50 15KVA C/F C/F 88%
GH15K3/6-72 120/208 60 15KVA C/F C/F 88%
GH15K3/4-72 115/200 400 15KVA C/F C/F 88%
GH30K3/5-72 220/380 50 30KVA C/F 54x36x16 88% pdf_icon
GH30K3/6-72 120/208 60 30KVA C/F 54x36x16 88% pdf_icon
GH30K3/4-72 115/200 400 30KVA C/F 54x36x16 88% pdf_icon
GH35K3/5-72 220/380 50 35KVA C/F 54x36x16 88% pdf_icon
GH35K3/6-72 120/208 60 35KVA C/F 54x36x16 88% pdf_icon
GH35K3/4-72 115/200 400 35KVA C/F 54x36x16 88% pdf_icon

 STANDARD FEATURES

  • • Pure Sinewave Output
  • • Small Size
  • • Lightweight, extremely compact
  • • High reliability, MTBF exceeds 100,000 hours
  • • OV, O.L. and O.T. protected
  • • MTTR below 30 minutes; modular design
  • • Withstands high reactive load
  • • Tight voltage and frequency regulation
  • • Output fault alarm (relay enclosure)
  • • Boards are conformal coated

 AVAILABLE OPTIONS

  • • Ruggedized to meet MIL-STD-810 shock,vibration and humidity (“R” option)
  • • Wide temperature range -40°C to +71°C
  • • Special output voltages and frequencies
  • • Provision for 3 Phase connection with 2 more identical units
  • • MS Connectors or outlets
  • • Custom painting and marking
  • • Handles
  • • High inrush for motor start
  • • Transfer switch to alternate AC source
  • • Chassis slides (rack mount models only)
  • • Switchable 50/60 Hz output
  • • RS232 or SNMP Communication

 SPECIFICATIONS

 ELECTRICAL
  • Input Voltage: 62 – 84 VDC (Extended range available)
  • Output Voltage: See Table
  • Frequency: 50 Hz, 60 Hz, 400 Hz (+/-0.5%)
  • Frequency Regulation: +/-0.5% N.L. to F.L.
  • Voltage Regulation: +/-1.5% N.L. to F.L.
  • Efficiency: Approximately 80% (depending on model)
  • Reactive Load: 0.75 Lead to 0.75 Lag
  • Distortion: 5% THD, 3% Single Harmonic
  • Overload: 125% for 5 minutes
  • Overload Protection Range: Automatic overload & short circuit protection
  • Sync & Phase Lock Range: +/-3 Hz, Typical (50/60 Hz models)
  • Transient Response: Approx. 1/4 cycle recovery to 95% of nominal
 ENVIRONMENTAL & MECHANICAL
  • Operating Temp: -20°C to +50°C Standard -40°C to +71°C Optional
  • Cooling: By internal DC brushless fan
  • Vibration: Normal shipping and handling
  • Shock: 20g, 11 mS half sinewave
  • Humidity: To 95% RH non-condensing
  • EMI: Designed to meet FCC Part 15, Class A, Can meet MIL-STD-461 with additional filtering
The appearance of U.S. Department of Defense (DoD) visual information does not imply or constitute DoD endorsement.