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
| product name |
R48-3500e |
| Dimensions |
87.9mm*85.3*272 |
| Working temperature |
-40℃~70℃ |
| Altitude |
≤2000M (2000M with upper limit power) |
| Output power |
3500W* (when input voltage is 176VAC~30VAC) |
| Input voltage range |
85VAC~300VAC (single-phase three-wire system) |
| Rated input voltage |
200VAC~250VAC |
| Withstand static voltage when not working |
415VAC |
| Input current |
<20@2900w/176VAC |
| Starting impulse current |
32A |
| Rated input grid frequency |
50HZ/60HZ |
| Output DC voltage range |
42V-58V |
| Output DC current |
0A-65.5A |
| Stabilization accuracy |
≤±0.5% |
| Load adjustment rate |
≤±0.5% |
| Voltage adjustment rate |
≤±0.1% |
| Power factor |
≥0.90 (@25%~50% rated output power) ≥0.90 (@50%~100% rated output power) |
| Efficiency |
≥91% |
| Over-voltage protection |
input under-voltage protection point 80±VAC, input over-voltage protection point 305V±5VAC |
| Output overvoltage hardware protection point: |
58.5~59.5V (output overvoltage software protection point 56V~59V can be set through monitoring) |
| Module current sharing error |
less than ±0.9A |
| Cooling method |
forced air cooling |
| Safety standard |
UL/EN/IEC 60950-2000 |
| Safety requirements |
CE/UL/NEBS |
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