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60 HZ MODELS
50 HZ MODELS
3 PHASE MODELS
SPECS/STD FEATURES
AVAILABLE OPTIONS
   
 
DC-AC INVERTERS

600-750 VDC Nominal Input /
Pure Sine-Wave Output
GALAXY SERIES INVERTERS


400-1200 VDC INPUT


Work Train Applications: Inverters in various sizes, from 5-20 kVA, are currently utilized by such customers as Amtrack and the MBTA for powering equipment on third rail 450-750 VDC Work Train Applications. Everything from hand tools to lighting run on Nova inverters. Even on-board electric toilets are powered by our inverters!

Trolley Applications: Nova has supplied specialized inverters for many custom Trolley Applications.  In addition to our other custom designs, we have designed and built special inverters modified to accept 900 VDC continuous input at the customer's request. Nova inverters are also used to power lighting on Historic Trolley Systems across the country. The next time you see a restored trolley, remember that the lights are probably powered by Nova!

Subway Applications: Our durable 600 VDC inverters are currently being used by such customers as Chicago Transit Authority and Long Island Railroad for such various applications as providing emergency power from the third rail. Quite often, it is cheaper and more pragmatic to install an inverter in a hut (shed) on a siding than to run AC power from a distant location. 

Custom Applications: Nova offers an almost infinite combination of custom cabinets and configurations to satisfy almost any application! Mobile applications, as well as outdoor applications subject to rain, snow, ice, wind, etc. are one of our specialties! Our inverters are extremely rugged by design, and feature an advanced Internal Suppression Filter Network to suppress the significant transients usually associated with these applications. Please don't hesitate to contact the factory for additional information.








 

 


Partial Standard Model Selection
(Consult factory for custom applications)

Click here for specs (PDF)

60 HZ MODELS

OUTLINE
DWG. PDF
60 HZ
MODELS
OUTPUT
VAC
OUTPUT
FREQ (HZ)
CONTINUOUS
OUTPUT
POWER
SIZE
(HxWxL) INCHES
APPROXIMATE
EFFICIENCY%
GH1K60-600
120
60
1KVA
30.0 x 24.0 x 8.0
90%
GH2K60-600
120
60
2KVA
30.0 x 24.0 x 8.0
90%
GH3K60-600
120
60
3KVA
30.0 x 24.0 x 12.0
90%
GH5K60-600
120
60
5KVA
30.0 x24.0x 12.0
90%
GH7.5K60-600
120
60
7.5KVA
36.0 x 36.0 x 16.0
90%
GH10K60-600
120
60
10KVA
36.0 x 36.0 x 16.0
90%
 
GH15K60-600
120
60
15KVA
48.0 x 30.0 x 16.0
90%
 
GH20K60-600
120
60
20KVA
48.0 x 30.0 x 16.0
90%
GH25K60-600
120
60
25KVA
54.0 x 36.0 x 16.0
90%
GH30K60-600
120
60
30KVA
54.0 x 36.0 x 16.0
90%
GH35K60-600
120
60
35KVA
54.0 x 36.0 x 16.0
90%

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50 HZ MODELS

OUTLINE
DWG. PDF
50 HZ
MODELS
OUTPUT
VAC
OUTPUT
FREQ (HZ)
CONTINUOUS
OUTPUT
POWER
SIZE
(HxWxL) INCHES
APPROXIMATE
EFFICIENCY%
GH1K50-600 (220)
220
50
1KVA
30.0 x 24.0 x 8.0
90%
GH2K50-600 (220)
220
50
2KVA
30.0 x 24.0 x 8.0
90%
GH3K50-600 (220)
220
50
3KVA
30.0 x 24.0 x 12.0
90%
GH5K50-600 (220)
220
50
5KVA
30.0 x 24.0 x 12.0
90%
GH7.5K50-600 (220)
220
50
7.5KVA
36.0 x 36.0 x 16.0
90%
GH10K50-600 (220)
220
50
10KVA
36.0 x 36.0 x 16.0
90%
 
GH15K50-600 (220)
220
50
15KVA
48.0 x 30.0 x 16.0
90%
 
GH20K50-600 (220)
220
50
20KVA
48.0 x 30.0 x 16.0
90%
GH25K50-600 (220)
220
50
25KVA
54.0 x 36.0 x 16.0
90%
GH30K50-600 (220)
220
50
30KVA
54.0 x 36.0 x 16.0
90%
GH35K50-600 (220)
220
50
35KVA
54.0 x 36.0 x 16.0
90%

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3 PHASE MODELS

3-PHASE
MODELS*
OUTPUT
VAC
OUTPUT
FREQ
(Hz)
CONTINUOUS
OUTPUT
POWER
SIZE
(H x W x L)
(INCHES)
GS1.5K3/6-600 (120/208)
120/208
60
1.5KVA
C/F
GS1.5K3/5-600 (220/380)
220/380
50
1.5KVA
C/F
GS1.5K3/4-600 (115/200)
115/200
400
1.5KVA
C/F
GH3K3/5-600 (120/208)
120/208
60
3KVA
C/F
GH3K3/5-600 (220/380)
220/380
50
3KVA
C/F
GH3K3/4-600 (115/200)
115/200
400
3KVA
C/F
GH4.5K3/6-600 (120/208)
120/208
60
4.5KVA
C/F
GH4.5K3/5-600 (220/380)
220/380
50
4.5KVA
C/F
GH4.5K3/4-600 (115/200)
115/200
400
4.5KVA
C/F
GH6K3/6-600 (120/208)
120/208
60
6KVA
C/F
GH6K3/5-600 (220/380)
220/380
50
6KVA
C/F
GH6K3/4-600 (115/200)
115/200
400
6KVA
C/F
GH9K3/6-600 (120/208)
120/208
60
9KVA
C/F
GH9K3/5-600 (220/380)
220/380
50
9KVA
C/F
GH9K3/4-600 (115/200)
115/200
400
9KVA
C/F
GH15K3/6-600 (120/208)
120/208
60
15KVA
C/F
GH15K3/5-600 (220/380)
220/380
50
15KVA
C/F
GH15K3/4-600 (115/200)
115/200
400
15KVA
C/F
GH20K3/6-600 (120/208)
120/208
60
20KVA
C/F
GH20K3/5-600 (220/380)
220/380
50
20KVA
C/F
GH20K3/4-600 (115/200)
115/200
400
20KVA
C/F
GH25K3/6-600 (120/208)
120/208
60
25KVA
C/F
GH25K3/5-600 (220/380)
220/380
50
25KVA
C/F
GH25K3/4-600 (115/200)
115/200
400
25KVA
C/F
GH30K3/6-600 (120/208)
120/208
60
30KVA
C/F
GH30K3/5-600 (220/380)
220/380
50
30KVA
C/F
GH30K3/4-600 (115/200)
115/200
400
30KVA
C/F
GH35K3/6-600 (120/280)
120/208
60
35KVA
C/F
GH35K3/6-600 (120/280)
220/380
50
35KVA
C/F
GH35K3/4-600 (115/200)
115/200
400
35KVA
C/F


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• Pure Sinewave Output
• Internal Transient Suppression Filter
• Network for input voltage transients
• High reliability, MTBF exceeds 100,000 hours (field data)
• OV, O.L. and O.T. protected
• MTTR below 30 minutes; modular design
• Withstands high reactive load
• Tight voltage and frequency regulation
• Boards are conformal coated


• Ruggedized to meet MIL-STD-810 shock,
• vibration and humidity ("R" option)
• Wide temperature range -40°C to +71°C (with derating)
• Special output voltages and frequencies
• MS Connectors or outlets
• Custom painting and marking
• Handles (rack mount models only)
• High inrush for motor start
• Transfer switch to alternate AC source
• Switchable 50/60 Hz output
• Output fault alarm (relay closure)
• RS232 or SNMP Communication • Higher Capacities up to 60KVA

 


 



Electrical
Input Voltage:
600VDC (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



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

DC-AC INVERTER FAQ

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