Technical Specifications
Copyright ©ITECH Electronic Co., Ltd.
79
Chapter8
Technical Specifications
This chapter will introduce the main technical parameters of IT7800, such as rated
voltage/current/power and so on. Besides, this part will introduce the working
environment and storage temperature.
8.1 Main technical parameters
IT7803-350-30U
Input parameters
AC input
Wiring connection
3 phase 3wire + ground(PE)
*1
Line voltage
RMS
( 200
～
480 ) ±10%
V
Line current
RMS
< 19
A
Apparent power
< 3.5
kVA
Frequency
45
～
65
Hz
Power factor
typ
0.98
Output parameters
AC Output
Output voltage
V
LN
*2
0
～
350
V
Output current
RMS
（
1phase
）
30
A
Crest
Factor
3
Peak
（
1phase
）
90
A
Output power
Max.
Power
（
1phase
）
3k
VA
Voltage setting
Range
1phase
0
～
350
V
Resolution
0.01
V
Accuracy
16Hz
～
500Hz
0.1%+0.1% F.S
500.1Hz
～
2.4kHz
0.1%+(0.2%*kHz)F.
S
Temperature
coefficient
< 100ppm/
℃
F.S
DC Voltage Offset
typ
0.02
Vdc
Current Limit setting
Range
RMS
（
1phase
）
30
A
Resolution
0.01
A
Accuracy
16Hz
～
150Hz
＜
0.1%+0.2% F.S
150.01Hz
～
500Hz
＜
0.2%+0.3% F.S
500.01Hz
～
2.4kHz
＜
0.3%+(0.6%*kHz)
F.S
Temperature
coefficient
< 200ppm/
℃
F.S
Frequency
Range
Low
*3
16
～
500
Hz
High
*3
16
～
2.4k
Hz
Resolution
0.01
Hz
Accuracy
16Hz
～
500Hz
0.01%
500.01Hz
～
2.4kHz
0.1%
waveform
synthesizer
50/60Hz
up to 50
order
s
Phase
Range
0
～
360
°
Resolution
0.1
°
Voltage setting
Range
1phase
-495
～
495
Vdc
Resolution
0.01
V
Accuracy
＜
0.1%+0.1% F.S
