Huawei R4850G2 3000W 53.5V Digital Rectifier
The R4850G2 is a digital rectifier that converts the 85~300VAC to 53.5 VDC and possesses the characters of high efficiency, high power density, walk-in start, hot-plug, complete protection, and low noise. The rectifier adopts the latest power monitoring technology, implements the function of monitoring the states of loads and the rectifier status in real time. The output voltage of the rectifier can be adjusted through the host.
Key Features
• High efficiency: >96％
• Input voltage range: 85~300VAC
• Operating temperature range: -40℃~75℃
• Total harmonic distortion(THD): ≤5％
• Hot-plug
• Digital control
• Intelligent electric meter
• Communication over CAN
• Adjustment of voltage and current
• Meet RoHS requirements
• Passing the TUV,CE,CB,UL certifications
Specification
| Input feature |
|
| Input voltage |
85~300VAC |
| Input mode |
220VAC single phase(or 110VAC dual live lines) |
| Frequency |
45~66Hz, rated: 50Hz/60Hz |
| Rated input current |
<17A |
| Power factor |
≥0.99 |
| THD |
≤5％ |
| Output feature |
|
| Output voltage |
42~58VDC, default value: 53.5VDC |
| Output power |
3000W(176~300VAC) |
| Environmental specifications |
|
| Operating temperature |
-40℃~+75℃(non-derating under 55℃) |
| Storage temperature |
-40℃~+75℃ |
| Relative humidity |
5%~95%(non-condensing) |
| Altitude range |
≤4000m(If the altitude is within the range of 3000m to 4000m, the maximum operating temperature decreases by 1℃ as the altitude increases by 200m.) |
| Protection |
|
| Input overvoltage protection |
Protection point: >300VAC |
| Input undervoltage protection |
Protection point: <80VAC |
| Output overvoltage protection |
58.5~60.5VDC(can be set by PMU) |
| Output short circuit protection |
A long term short circuit is allowed. |
| Over-temperature protection |
Protection point: ≥75℃(167℉) |
| Reliability |
|
| MTBF |
>500,000hours |
| Audible noises |
|
| Specification |
≤55dB(40℃, full load) |
| Safety/EMC/Lightening protection |
|
| Safety certification |
Passes TUV, CE, UL certifications
Catch the CB certificate
Complies with UL60950-1, IEC60950-1, EN60950-1, CAN/CSA C22.2 No. 60950 -1
|
| EMC |
EN55022 Class B, EN55024, EN61000-3-2, EN61000-3-3, ETSI EN300 386, ETSI EN301489, ITU-T K.20 |
| Lightening protection |
YD 5098-2005 5KA |
| Dimension |
40.8(H)×105(W)×281(D)mm |
| Cooling |
Forced air cooling |
