30
A Technical
Specification
Category
Item
Specifications
Environment
Operating temperature
–40°C to +65°C
Transportation
temperature
–40°C to +70°C
Storage temperature
–40°C to +70°C
Operating humidity
5%–95% RH
Storage humidity
5%–95% RH
Altitude 0–4000
m
When the altitude ranges from 2000 m to
4000 m, the operating temperature decreases
by 1°C for each additional 200 m.
AC input
Input system
110 V AC dual–live wire
Input frequency
45–66 Hz (rated frequency: 50 Hz or 60 Hz)
Power factor (PF)
≥
0.99 (rated input, with loads)
Total harmonic
distortion (THD)
Rated input voltage and 100% output load:
THD (I)
≤
10%
DC output
Output voltage range
42 V DC to 58 V DC
Default output voltage
53.5 V DC
Output power
Maximum output power = Output power of
a single rectifier x Number of rectifiers
Regulated voltage
precision
≤
±1% (With 50% load, the output voltage
is within –53.5±0.1 V.)
Peak-to-peak noise
voltage
≤
200 mV (under the rated input voltage and
load range)
Noise weighting
≤
2 mV (300–340 Hz, input voltage
≤
264 V
AC)
Unbalance of load
sharing
≤
±5% (with 50% to 100% load)
AC input
protection
AC input overvoltage
protection threshold
> 300 V AC
AC input overvoltage
recovery threshold
When the voltage is restored to 290 V AC,
the output resumes.
AC input under-voltage
protection threshold
< 85 V AC
AC input under-voltage
recovery threshold
When the voltage is restored to 90 V AC,
the output resumes.
