1KVA Converter


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

Solid State Frequency Converter Specifications 400Hz

Model 1KSS60400/50400
Capacity 1KVA/700W
Voltage 120V or 220V *see note
Voltage Range 120V -15%/+20% or 220V -15%/+20%


220V – 5.2A @ Full Load (7.8A @ Current limit)
120V – 9.6A @ Full Load (14.3A @ Current limit)
Frequency 50Hz or 60Hz
Phase Single
Voltage 115V (Locked)
Voltage Regulation ±1%
Frequency 400Hz

(50/60hz available)

Frequency Regulation ±0.016Hz (Xtal oscillator)
Harmonic Distortion <3% at 100% linear load
Output Waveform Pure Sinewave
Output Current @ .7pf 220V – 4.5A
120V – 8.3A
Non-Linear Peak

Current for 30 sec.

220V – 6.8A
120V – 12.5A
Power Factor 0.9
AC to AC >85%
Overload Capacity 110% continuous,110-150% load 30 seconds, over
150% causes unit to shut down.

Auto restart upon removal of the overload.

Short Circuit Unit will cut off and must be manually restarted
EMI Filter 10-100KHz at 40dB, 100KHz-100MHz at 70dB
Over Temperature Inverter auto cut-off when heat sink temp over 80ºC
Audible Alarm
Overload Sounds continuously
Converter Fault Sounds continuously
LCD Converter status, Input & Output voltage – frequency, loading %
Line: Green LED Inverter: Green LED
Fault: Red LED Overload: Yellow LED
OperationTemp. 0-40° C; 32-104° F
Relative Humidity 20-90% non-condensing
Audible Noise Less than 45dB (at 1 meter)
Net Weight 67.5lbs/30.7kg
Width 7 1/8in/18.1cm
Depth 16in/40.6cm
Height 19 3/8in/49.3cm
Note: Input voltages of 208V single phase (phase-to-phase on a 3-phase 120/208V line) – with 2 hot lines and 240V single phase (from a 120/20V split-phase source) – 2 hot lines are both acceptable with one hot on the input N ternimal, and another hot on the L2 input terminal.

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