HUAWEI R4850G2 48V 50A Telecom Rectifier Module
R4850G2 Brief:
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.
48V 50A Rectifier Features
1) High efficiency: ≥96%
2) Input voltage range: 85~300VAC
3) Operating temperature range: -40ºC~75ºC
4) Total harmonic distortion(THD): ≤5%
5) Hot-plug
6) Digital control
7) Intelligent electric meter
8) Communication over RS485
9) Adjustment of voltage and current
10) Meet RoHS requirements
11) Passing the TUV,CE,CB,UL certifications
HUAWEI R4850G2 50A rectifier Specification
R4850G2 Weight: 2.0kg
Dimensions: 40.8 x 105 x 281mm
R4850G2
HUAWEI R4850G2 48V 50A telecom rectifier module
Notes
1. We will ship the item in 3-5 work days after the payment arrive.
2. We will usually ship the item to Worldwide by FedEx/ UPS/DHL.
3. Buyer's responsibility to pay customs fees, duties, import taxes, shipping charge
And related charges.
4. We accept the payment through T/T, Paypal, and Western Union.
5. The pictures show you one of the items in stock. But the exact one may be sold before your bidding. So it may not the exact one which you will receive.
Specifications
Electrical
Item | Specification |
Input | |
Operating voltage | 85–300 VAC |
Frequency | 45–66 Hz Rated : 50Hz and 60 Hz |
Rated input current | <17A |
Power factor | ≥ 0.99(load≥50% ) |
THD | ≤ 5％(load≥50% ) |
Output | |
Output voltage | 42–58 VDC Rated voltage: 53.5 VDC |
Output power | 3000 W (176–290 VAC); 1250 W (85–175 VACdecreased linearly) |
Regulated voltage precision | ≤±0.6%Vo |
Ripple and noise | ≤ 200 mVp-p (Bandwidth≤20MHz) |
Dynamic response | Over shoot:≤ ±5% Vo Recovery time: ≤ 200 us |
Standby power | ≤ 5W |
Turn-on output delay | 3–8 s |
Hold up time | >10 ms |
Psophometrically weighted noise | ≤ 2 mV |
Wideband noise voltage | ≤ 50 mV (3.4k–150 kHz) ≤ 20 mV (0.15M–30MHz) |
Other Features
Item | Specification |
Protection | |
Input overvoltage protection | Protection point:>300 VAC |
Recovery range:290–300 VAC | |
Input undervoltage protection | Protection point:<80 VAC |
Recovery range:80–90 VAC | |
Output overvoltage protection | 58.5–60.5 VDC (can be set by monitoring unit ) If the overvoltage occurs inside the rectifier due to a fault, the rectifier will latch off. If the output voltage is higher than 63 V and lasts for more than 500 ms, the rectifier will latch off. |
Output current limiting protection | See Figure 1. |
Output short circuit protection | A long term short circuit is allowed. After the fault is rectified, the rectifier is restored to a healthy state automatically. |
Over-temperature protection | The module protects against overtemperature. |
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; |
Lightning | 5KA |
Reliability | |
MTBF | > 500,000 hours |
Audible Noise | |
Specification | ≤55dB(40 ℃/ 77 °F ,full load) |
