Huawei R4815G1 Power Supply Unit –

The Huawei R4815G1 is a high-performance power supply unit designed for Huawei R4815 series telecom equipment and other industrial applications. With a wide input range of 85300 VAC and 85420 VDC, this PSU provides stable 53.5 VDC output at 1000W, making it ideal for demanding environments. Built-in forced air cooling, high efficiency, and low audible noise ensure consistent operation while maintaining thermal stability and energy savings.

This unit features advanced protection systems including overvoltage, undervoltage, short-circuit, and over-temperature safeguards, guaranteeing both equipment safety and longevity. Compact and lightweight, with a mean time between failures (MTBF) of over 500,000 hours, the R4815G1 is a dependable solution for operators and businesses requiring stable, efficient, and safe DC power delivery.

Key Features & Benefits

Huawei R4815G1 Power Supply Unit
High efficiency: >95% (60100% load), >96% max
Wide input range: 85300 VAC / 85420 VDC
Stable 53.5 VDC output, 1000W power
Advanced protection: overvoltage, undervoltage, short-circuit, over-temperature
Forced air cooling with built-in fan
Compact, lightweight design: 95.5 × 208 × 40.8 mm, 1.2 kg
Low audible noise: 45 dB at full load
Certified: TUV, CE, UL, CB; compliant with IEC/EN60950-1 and UL60950-1
EMC and lightning protection compliant

Ideal Uses

Huawei R4815 series telecom equipment
Industrial and networking systems requiring stable 53.5 VDC power
High-reliability environments needing MTBF 500,000 hours
Applications where compact, efficient, and low-noise PSU is critical

Specifications

Condition: item in perfect working order, fully tested and ready to use
Manufacturer: Huawei
Model: R4815G1
Product Type: Power Supply Unit

Physical & Dimensions
Dimensions: 95.5 mm (W) × 208 mm (D) × 40.8 mm (H)
Weight: 1.2 kg
Cooling: Forced Air (built-in fan)

Input Features
Voltage: 85300 VAC / 85420 VDC
AC Input Mode: 220 VAC single phase or 110 VAC dual live lines; HVDC rated 240/336 VDC
Frequency: 4566 Hz (Rated 50/60 Hz)
Input Current: 5.3 A
Power Factor: 0.98 (>50% load at 230 VAC)
THD: 5% (>50% load at 230 VAC)

Output Features
Output Voltage: 4258 VDC (Rated 53.5 VDC)
Output Power: 1000W (AC 176300 V / DC 200420 V)
Ripple & Noise: <200 mV pk-pk; <2 mV rms
Voltage Precision: 0.6% Vo from no load to full load
Current Share: ±5% output rated current
Hold-up Time: >10 ms at 870W, output >42 V

Environmental Specifications
Operating Temperature: -40 to +80
Storage Temperature: -40 to +80
Humidity: 595% non-condensing
Altitude: 5000 m

Protection Features
Input Overvoltage: >300 VAC / 420 VDC
Input Undervoltage: <80 VAC / 80 VDC
Output Overvoltage: 5660 VDC (adjustable)
Output Short Circuit: Automatic recovery
Over-temperature: 80

Reliability & Noise
MTBF: 500,000 hours (Telcordia SR-332 Method 1 at 25)
Noise: 45 dB at full load

Safety / EMC / Lightning Protection
Safety Certifications: TUV, CE, UL, CB; compliant with UL60950-1, IEC60950-1, EN60950-1, CAN/CSA C22.2 No.60950-1
Isolation: Input to Output 4242 VDC; Input to Earth 2121 VDC; Output to Earth 707 VDC
EMC: EN55022 Class B, EN55024, EN61000-3-2/3, ETSI EN300386, EN301489, ITU-T K.20
Lightning Protection: 5KA (8/20 µS) common and differential modes

Warranty

3-Month Manufacturer Warranty

What's in the Box

Huawei R4815G1 Power Supply Unit