Single Phase Frequency Converters 50/60 Hz
18 models 1KVA to 20KVA
50 or 60hz input,
50hz or 60hz output
Single Phase Frequency Converters 400hz
18 models 1KVA to 20KVA
50hz or 60hz input and
400hz output
Three Phase Solid State Frequency Converters
50 or 60 Hz
57 models 10 to 320KVA
Three Phase Solid State Frequency Converters
57 models 10 to 320KVA
Solid State Design Considerations Manuals and Connection Diagrams Accessories
Outdoor Enclosures, Carts,
Distribution Panels etc.
Notes and Photos
Rotary 1 or 3 Phase Frequency Converters
50 or 60hz output
6KVA to 2000KVA
Rotary 400Hz output Frequency Converters
1 or 3phase
10KVA to 250 KVA
Rotary Frequency Converters Accessories
Enclosures (Indoor quietized and Outdoor) Digital Meters, RS232 and Data Logging, etc.
Rotary Design Considerations Starting Surge of motors in the load, Large SCR loads, power factor and resistive loads, Operating Noise Level.
Rotary Application Notes and Photos Operating Noise and solutions to this problem Line Isolation Sets
  Visicomm Industries
Solid State Frequency Converter Rotary Frequency Converter

Electrocon Frequency Converters

60 to 50 Hz 50 to 60 Hz 60 to 60 Hz Isolation 50/60 to 400 Hz

4KVA Solid State Frequency Converter Specifications


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Model 4KSS 6050/5060
Capacity 4KVA/3.2KW
Voltage 120 or 220V-15%/+20%
Voltage Range -15%/+20%
220V - 20.9A @ Full Load (31.4A @ Current limit)
120V - 38.3A @ Full Load (57.5A @ Current limit)
Frequency Any Frequency from 45 65 hz (specify if 400hz)
Phase Single
Voltage 120 or 220Vac 20% Adjustable from nominal
Voltage Regulation 1% From setpoint
Frequency 50Hz or 60Hz (Switch selectable) (400Hz available)
Frequency Regulation 0.0005Hz
Harmonic Distortion < 3% at 100% Linear Load
Output Waveform Pure Sinewave
Output Current @ .8pf 220V - 18.1A
120V - 33.3A
Overload@150% for 30 seconds 220V - 27.2A
120V - 50A
AC to AC >85%
Power Factor 0.8
Crest Factor 3:1
Indicator-Detachable & Remote Control
LCD Automatically configures to monitor voltage, frequency, and loading, simultaneously.
Line: Green LED Inverter: Green LED
Fault: Red LED Overload: Yellow LED
Audible Alarm  
Overload Continuously beeping
Fault Continuously beeping
Overload 150% Delay 30 seconds, current limited
Short Circuit Current limited and cut-off, fuse and breaker
EMI Filter 10-100KHz at 40dB; 100KHz-100MHz at 70dB
Over Temperature Inverter auto cut-off when heat sink temp. over 80 C
Depth 22.9in/58.2cm
Width 9.63in/24.5cm
Height 27.75in/70.5cm
Operation Temperature 0-40° C; 32-104° F
Relative Humidity 20-90% (non-condensing)
Noise Level < 58dB (at 1 meter)
LBS/KG 232lbs/105.5kg on wheels

1Specifications subject to change without notice.

Solid State 6KVA
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