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Description
Huawei R4875G1 Rectifier Module is a 4000W, 97% efficiency, digital controlled high power density rectifier. It converts input voltage ranges between 85 to 300 Vac into 42 to 58 Vdc adjustable output voltage.
Huawei R4875G1 Rectifier Module Product Overview
Huawei R4875G1 Rectifier Module is a digital rectifier with high efficiency and high power density. The product supports a wide input voltage range and provides 53.5v DC default output voltage. In addition, R4875G1 offers comprehensive protection functions and supports soft start with low noise. Multiple rectifiers can be connected inparallel. With the power monitoring technology, states of the rectifier and load are monitored in real time, and the output voltage can be adjusted
Huawei R4875G1 Rectifier Module Product Pictures
Huawei R4875G1 Rectifier Module Product Specifications
| Product Type | R4875G1 | ||
| Basic Specifications | Dimension | 105 mm(W)×281mm(D)×40.8 mm(H) | |
| Weight | ≤ 2.2 kg | ||
| Cooling | Forced air cooling (Built-in fan) | ||
| Input Feature | Input Voltage | 85 to 300 Vac | |
| AC Input Mode | 220 Vacsingle-phase (or 110 Vacdual-live lines) | 85–420 Vdc | |
| Frequency | 45 to 66 Hz, rated: 50/60 Hz | 200-240VAC | |
| Maximum Input Current | ≤24 A | ||
| Power Factor | ≥0.99 (> 50% load at 230 Vac) | ||
| THD | ≤5%(> 50% load at 230 Vac) | ||
| Output Feature | Efficiency | 97% Max 296% (230V AC, 20%-90% load); | |
| Output Voltage | 42 to 58 Vdc, rated voltage: 53.5 Vdc | ||
| Output Power | 4000W(176~300VAC),1600W at 85 V (85-175 V AC linear derating) | 4000W | |
| Ripple and Noise | < 200 mVp-p (bandwidth < 20 MHz) | ||
| Hold-up Time | >10ms | ||
| Output Regulated Voltage Precision | < 0.6% Vo from no load to full load | ||
| Current Share | + 5% output rated current from 10% to 100% load | ||
| Environmental Specifications | Operating Temperature | -40 ℃to +75 ℃ | |
| Storage Temperature | –40°C to +75°C (without packaging) | ||
| Relative Humidity | 5%–95% RH (non-condensing) | ||
| Altitude Range | ≤5000m | ||
| Protection | Input Overvoltage Protection | AC protection threshold:>300 VAC DC protection threshold:> 420VDC |
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| Input Under-voltage Protection | AC protection threshold: <80VAC DC protection threshold: <80VDC |
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| Output Over-voltage Protection | Protection range: 56-60VDC (can be set on the monitoring module) | ||
| Output Short Circuit Protection | A long term short circuit is allowed. After the fault disappears, the rectifier is restored to a healthy state automatically. | ||
| Over-temperature Protection | Protection point:>=80℃ (176℉) | ||
| Reliability | MTBF | >= 500,000 hours | |
| Audible Noises | Specification | <=55dB (40 ℃, full load) | |
| Safety/EMC/Lightening Protection | Safety Certification | TUV, CE, UL, and FCC certifications, CB certificate Complies with UL60950-1, IEC60950-1, CAN/CSA C22.2 No. 60950-1, and EN60950-1. |
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| Isolation | Input to output: 4242 Vdc; input to earth: 2121 Vdc; output to earth: 707 Vdc | ||
| EMC | EN55022 Class B; EN55024; EN61000-3-2; EN61000-3-3; ETSI EN300386; ETSI EN301489; ITU-T K.20 FCC CFR47 Part 15 Subpart B:2012 |
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| Lightening protection | 5kA | ||
Huawei R4875G1 Rectifier Module Product Features
- High efficiency: 97%
- Wide operating temperature range:－40℃ to＋75℃ (full output up to 55℃)
- Wide input voltage range:85 to 300 Vac
- Total harmonic distortion (THD): ≤ 5%
- Hot-swappable rectifier
- Digital control
- CAN communication
- Adjustable voltage and current
- TUV, CE, UL, FCC, CB certifications
Huawei R4875G1 Rectifier Module and More Models
| Part Number | Input Voltage | Output Voltage | Output Power | Efficiency | Operating Temperature |
| R4805G1 | 85-300Vac | 42-58Vdc | 270W | 94 % | -40C to +75C |
| R4815G1 | 85-300Vac | 42-58Vdc | 870W | 96 % | -40C to +75C |
| R4815N1 | 85-300Vac | 42-58Vdc | 1000W | 94 % | -40C to +75C |
| R4830G1 | 85-300Vac | 42-58Vdc | 1600W | 96 % | -40C to +75C |
| R4830G2 | 85-300Vac | 42-58Vdc | 2000W | 96 % | -40C to +75C |
| R4830N2 | 85-300Vac | 42-58Vdc | 1605W | 94 % | -40C to +75C |
| R4850G1 | 85-300Vac | 42-58Vdc | 3000W | 96 % | -40C to +75C |
| R4850G2 | 85-300Vac | 42-58Vdc | 3000W | 96 % | -40C to +75C |
| R4850N1 | 85-300Vac | 42-58Vdc | 2900W | 92 % | -40C to +75C |
| R4850N2 | 85-300Vac | 42-58Vdc | 3000W | 94 % | -40C to +75C |
| R4875G1 | 85 to 300Vac | 42 to 58Vdc | 4000W | 97% | -40C to +75C |
| R48100G1 | 260-530Vac | 42-58Vdc | 6000W | 96 % | -40C to +75C |
| R33640G1 | 260-530Vac | 300-400Vdc | 15kW | 97% | -40C to +75C |
| R50030G1 | 260-456Vac | 300-500Vdc | 15kW | 95.8% | -30C to +65 |
Huawei R4875G1 Rectifier Module Product Applications
