Input Characteristics

Item

Requirement

Unit

Note

Ac input voltage range

85~285

Vac

90Vac-264V Output full load 850W

Rated input voltage range

90~264

Vac

Rated input voltage

230

Vac

Frequency of ac input voltage

44~66(额定值为 50/60)

44 ~ 66(rated 50/60)

Hz

power factor

≥0.90

Rated input, 100% load

Total harmonic of input current

≤15%

Rated input, 100% load

Inrush Current

≤30

A

264Vac/ Normal temperature

condition /Rated load

Max Input Current

≤10

A

185Vac/Rated load

Output Characteristics

Item

Requirement

Unit

Note

Output Voltage Range

42-55

Vdc

The monitoring is adjustable, an d all configurations are OK bef ore delivery. After delivery, only communication can be perform ed, but no upgrade or other ope rations can be performed.

Rated output voltage

48

Vdc

If there is no monitoring, the d efault output is 48V. If there is monitoring, the output is adjust ed to 42V

Output Current

0-17.7

A

Efficiency

≥92%

230Vac、50% -100% load

temperature coefficient

±0.02

%/℃

Ripple and noise

≤200

mVp-p

Bandwidth ≤ 20MHz

20 MHZ bandwidth or less

Startup time

≤3

S

Output rise time

200

mS

The output voltage rises from 10% to 90% of the rated voltage for the

rated load.

On and off overshoot

≤±5

%Vo

Rated input voltage；Output full load.

Dynamic

overshoot

≤ ±5

%Vo

25% to 50%, 50% to 75% load

jump. The recovery time after the dc output voltage change caused by the step change of the load should not exceed 200us, and the overshoot should not exceed ±5%

of the output voltage setting value.

recovery time

≤ 200

µS

Voltage regulation accuracy

≤±0.6%*Vo

The telephone balances the noise voltage

≤2

mV

Broadband noise voltage

≤50

3.4～150KHz

Broadband noise voltage

≤20

mV

0.15～30000KHz

Discrete noise

≤5

mV

3.4～150KHz

≤3

150～200KHz

≤2

200～500KHz

≤1

500～30000KHz

protective characteristics

项 目

Item

技术要求

Requirement

单位

Unit

备 注

Note

Enter the undervoltage alarm point

90

Vac

Alarm function, do not perform other operations

Input undervoltage protecti on

80±2

Vac

Input the undervoltage recovery point

85±2

Vac

Rated voltage range (90Vac-264Vac)

Input overvoltage protection

290±2

Vac

Input overvoltage protection recovery point

280±2

Vac

Input frequency protection

< 44 or > 66

Hz

Turn off the output, input frequency to

normal range, output automatic recovery.

Output overpressure protection

≥58

Vdc

Lock, power off and restart to restore.