Huawei R4850g2 48V 50A Telecom Rectifier Module

HUAWEI R4850G2 48V 50A Telecom Rectifier Module

R4850G2 Brief:

The R4850G2 is a high-efficiency digital rectifier designed to convert an 85~300VAC input to a stable 53.5 VDC output. It features high power density, walk-in start, hot-plug capability, comprehensive protection, and minimal noise. With advanced power monitoring technology, it offers real-time monitoring of both load conditions and rectifier status. The rectifier's output voltage can be adjusted via the host control.

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 capability
6) Digital control
7) Intelligent electric meter
8) Communication over RS485
9) Adjustment of voltage and current
10) RoHS compliant
11) Certified by TUV, CE, CB, and UL

HUAWEI R4850G2 50A rectifier Specification

Weight: 2.0kg
Dimensions: 40.8 x 105 x 281mm

Notes

1. Item ships within 3-5 business days post-payment.
2. Typically shipped worldwide via FedEx, UPS, or DHL.
3. Buyer responsible for customs fees, duties, import taxes, and shipping charges.
4. Payment accepted via T/T, Paypal, and Western Union.
5. Pictures display representative items. Exact items may vary depending on current stock.

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 VAC decreased 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: >300 VAC Recovery range: 290-300 VAC Input undervoltage protection: <80 VAC Recovery range: 80-90 VAC Output overvoltage protection: 58.5-60.5 VDC (set by monitoring unit). Latch off if output exceeds range. Output current limiting protection: (See Figure 1) Output short circuit protection: Allows long-term short circuit. Auto-recovery. Over-temperature protection: Active
Safety/EMC/Lightning protection	Safety certification: TUV, CE, UL, and CB certified. Compliance: 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: ≤55dB (40ºC/77°F, full load)

The R4850G2 rectifier is known for its reliability and efficiency, making it a preferred choice in telecom power systems. Its design caters to comprehensive protection and ease of integration in larger systems, offering flexible network configurations.

If you are in search of further specification details, please visit the official page for the huawei r4850g2.

Description

Huawei R4850G2 Rectifier Module is a digital rectifier offering remarkable efficiency and power density, converting a 85–300VAC input to 53.5VDC output.

Product Overview

This rectifier model not only provides high efficiency but also supports hot-plug functionality and low noise. It features real-time monitoring capabilities for both rectifier and load statuses, ensuring optimal performance. Output voltage adjustments can be made via the host control, and multiple rectifiers can operate in parallel configuration.

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Product Specifications

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 VAC) 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)

Product Features

• Input voltage range: 85-300V AC
• Operating temperature range: –40ºC to +75ºC
• Total harmonic distortion (THD): ≤5%
• Digital control mode
• Hot swap
• Supports intelligent electric meter
• CAN communication compatible
• LED display
• Voltage and current adjustment and current sharing
• RoHS compliant
• Certified by TUV, CE, UL, and CB
• Protection against voltages above 320V AC

Related Power Modules

Part Number	Input Voltage	Output Voltage	Output Power	Efficiency	Operating Temperature
R4805G1	85-300 Vac	42-58 Vdc	270 W	94%	-40°C to +75°C
R4815G1	85-300 Vac	42-58 Vdc	870 W	96%	-40°C to +75°C
R4815N1	85-300 Vac	42-58 Vdc	1000 W	94%	-40°C to +75°C
R4830G1	85-300 Vac	42-58 Vdc	1600 W	96%	-40°C to +75°C
R4830G2	85-300 Vac	42-58 Vdc	2000 W	96%	-40°C to +75°C
R4830N2	85-300 Vac	42-58 Vdc	1605 W	94%	-40°C to +75°C
R4850G1	85-300 Vac	42-58 Vdc	3000 W	96%	-40°C to +75°C
R4850G2	85-300 Vac	42-58 Vdc	3000 W	96%	-40°C to +75°C
R4850N1	85-300 Vac	42-58 Vdc	2900 W	92%	-40°C to +75°C
R4850N2	85-300 Vac	42-58 Vdc	3000 W	94%	-40°C to +75°C
R48100G1	260-530 Vac	42-58 Vdc	6000 W	96%	-40°C to +75°C
R33640G1	260-530 Vac	300-400 Vdc	15 kW	97%	-40°C to +75°C
R50030G1	260-456 Vac	300-500 Vdc	15 kW	95.8%	-30°C to +65°C

Applications

The Huawei R4850G2 rectifier module is widely utilized in telecom power systems, assisting in maintaining reliable and efficient power supply. It is a key component in ensuring consistent power delivery in telecom networks, helping to stabilize overall system operations.