ER22020-T

Type

Parameter

ER22020/T

ER11040/T

Input

Input voltage

323V ~ 475V (3ph 3 wire system)

Input current

≤ 15A

≤ 15A

AC input frequency

45Hz ~ 65Hz

Efficiency

92%

≥93%

%

≥93%

Power factor

0.94

Output

Output voltage range

176V ~ 320V

88 ~ 160V

Rated output current

20A

40A

Max. output current

21A

42A

Soft start time

3 ~ 8s

Output constant current range

10% ~ 100%

10% ~ 100%

Current stabalization (for 20% rated current or above)

≤ ± 0.5%

Ripple

≤ 0.1%

Voltage stabalization

≤ ± 0.5%

Load sharing imbalance

≤ ± 5%, (typical 3%, 50% ~ 100% rated load)

Accoustic noise

<55dB

Protection

Short circuit foldback of output

Foldback current ≤ 40% rated current. Auto-reset enabled

Output over-voltage protection

325 ± 5Vdc

165 ± 5Vdc

Output under-voltage protection

198 ± 1Vdc

99 ± 1Vdc

Input over-voltage

Protection point

485 ± 10Vac

Recovery point

460 ± 15Vac

Input under-voltage

Protection point

313 ± 10Vac

Recovery point

335 ± 10Vac

Over-temperature protection

Protection point

80°C

Recovery point

60°C

Fan speed control

Under the combined control of temperature and current

Safety

Insulation resistance

I/O to chassis and input to output >10MΩ (Test voltage: 1000Vdc)

Dielectric strength

Impose AC between I/O and the chassis aftering shorting the input and output. Frequency: 50Hz. RMS: 2000V. No breakdown or flashover

Environment

Operation temperature

-10°C ~ 40°C

Storage temperature

-25°C ~ 55°C

Relative humidity

≤ 95%

Air pressure

70 ~ 106kPa

Mechanical

Size (L × W × H) (Unit: mm)

388×88×241

388×88×241

Weight

8kg

8kg

Cooling method

Forced cooling, with dust proof design