Emerson R48-3500E overviews

Emerson's high-efficiency rectifier module R48-3500e adopts non-destructive hot-swappable technology. Its output and input have soft-start units, which will not cause system output voltage fluctuations when the module is plugged in.

Emerson R48-3500E technical parameters

1． Environmental conditions:

Operating temperature: -5C to 45C, 45C or more derate use

Storage temperature: -40C to 70C

Relative humidity: ≤ 95%RH, no condensation

Altitude: ≤ 2000m (more than 2000m requires derate use)

Cooling mode: Force air cooling

2． Input features:

Input voltage range: 85Vac to 290Vac, single-phase three-wire system

Rated input voltage: 200Vac to 250Vac

Power derate input voltage range: 85Vac to 176VA

Not operating to withstand static voltage: 415Vac

Rated input current: <16A@2900W

Input current: <19A@2900W/176Vac

Input shock current: <30A

Allow input grid frequencies: 45 to 65Hz

Rated input grid frequency: 50Hz/60Hz

3． Output features:

Output DC voltage range: 42V to 58V

Output DC current: 0A to 60.5A

Regulator accuracy ≤±0.5%

Load adjustment rate ≤± 0.5%

Voltage adjustment rate ≤± 0.1%

On-board punch ≤±1%

4． Output current limit features:

No level limit flow, current limit point 0A to 60.5A, can be adjusted by the monitoring module, flow limit accuracy

　　≤±1.5A(42V～58V)

5． Power factor and THD:

The power factor ≥ 0.90 to 25% to 50% rated output power

The power factor ≥ 0.98 to 50% to the rated output power

The power factor ≥ 0.99

THD ≤ 5% of the rated output power

6． Efficiency

Rated efficiency is greater than 91% and efficiency is 92%.

7． Homlow

The module current average flow error ± within 1.5A.

8． Temperature coefficient (1/C): 0.01% ≤±

9． Dynamic response

When the load is 50%-25%-50% or 50%-75%-50% step change, the response time ≤ 200ms, the over-adjustment ≤5%.

10． Start-up time

The boot mode can be selected by the monitoring module:

1) Normal power-on mode

The time delay from AC power-up to module output is less than 5 seconds.

2) Output slow start

This function is set by the external monitoring module is effective, the start-up time can be set by the monitoring module, can be set a range of 8s to 128s, accuracy ≤± 10%.

Emerson R48-3500e rectifier module specifications