1. Input frequency: 50Hz, 60Hz or 400 Hz.
2. Output voltage: 0 - 300 VAC.
3. Output frequency: 40.0 - 499.9 Output frequency finger setting.
4. Voltage ( V ), frequency ( Hz ), current ( A ) and power ( W ) are measured and displayed at the same time in 4 windows without switching.
5. The voltage, frequency, current and power meters are displayed with 4 - bit digital LED, which is simple, easy to read and high in resolution.
6. No radiation interference, small harmonic components and no interference after special treatment.
7. Pure and stable sine wave output.
8. Large capacity, small volume, light weight ( 17Kgs ), high efficiency, quiet device and high reliability.
9. Provide the standard voltage and frequency of various countries in the world, and can simulate and test various electrical products
10. Strong overload capacity. Instantaneous current can withstand 3 times the rated current.
11. With over - current, over - temperature, short circuit, instantaneous power-off protection and warning devices.
12. Suitable for resistive, capacitive, inductive and other non-linear loads.

Phase number  three phase
Model  SIDIAN-3320
Capacity 20KVA
Manufacturing mode IGBT/PWMpulse width modulation mode
Input Voltage 3 - phase 4 - wire+PE  380V ±10%
Frequency 50Hz或60Hz ±5%
输  出 Voltage ( three - phase ) Phase voltage 0 - 150 V / line voltage 0 - 260 V ( low )
Phase voltage 0 - 300 V / line voltage 0 - 520 V ( high grade )
Electric current Low  L:55.6A
High grade   H:27.8A
Load stability rate ≤±1%
Frequency 40.0Hz-400Hz
frequency stability ≤±0.01%
harmonic distortion Sine wave, ≤ 2 %
crest factor ratio 3:1
crest factor ratio ≥85%
Protection reaction time ≤2ms
frequency table 4 digits, digital frequency table, resolution 0.1 Hz / step
Voltmeter 4 digits, digital voltmeter, resolution 0.1V.
Ammeter 4 digits, digital ammeter, resolution 0.1a
Wattmeter 4 digits, digital wattmeter, resolution 0.1W
protector Overload, high temperature, short circuit, instantaneous power-off protection, alarm device
Working environment Temperature 0-40deg.℃
Temperature 0-90%( non - condensed state )
Cooling mode fan cooling
size 77*58*114(cm)