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Huawei R4830N2 Genuine Telecom Hardware Shot 1
HuaweiModel: R4830N2

Huawei R4830N2 High-Density Digital Switching Telecom Rectifier Module (53.5V 30A 1800W)

The Huawei R4830N2 is a high-density, fully digital switching telecom rectifier module engineered to convert single-phase AC utility power into a regulated nominal -48V DC bus (adjustable from 42V to 58V DC, nominal 53.5V DC), delivering up to 30A output current with a maximum rated power of 1800W.

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Rated Output Voltage
-48VDC (-42V ~ -58V)
Maximum Output Current
30A
Rated Output Power
1800W
Maximum Efficiency
≥ 94.0%
AC Input Voltage
85V AC ~ 300V AC
Operating Temperature Range
-40°C ~ +75°C

What this product is

What this product is

Architecturally, the R4830N2 integrates an active power factor correction (APFC) input pre-regulator followed by an isolated high-frequency resonant DC-DC converter stage, orchestrated by a high-speed DSP microcontroller. It supports integrated CAN bus telemetry for seamless integration with Huawei SMU series controllers and conforms strictly to IEC/EN 60950-1, UL 60950-1, and stringent telecom EMC standards.

What problem it solves

It resolves telecom field vulnerabilities caused by severe grid voltage fluctuations, brownouts, and surges, eliminates excessive cabinet thermal dissipation through high conversion efficiency, and mitigates downtime risks via true live hot-plug capability that prevents contact arcing and avoids service disruption during maintenance.

Who and where it is for

Engineered for wireless base stations (BTS, NodeB, eNodeB, gNodeB), outdoor integrated power enclosures, optical transmission nodes, central switching centers, and enterprise mission-critical telecom networks requiring continuous DC availability.

Core advantages

  • Wide input voltage range (85V AC to 300V AC) ensures exceptional grid adaptability and reliable power in harsh environments.
  • Peak conversion efficiency exceeding 94.0% significantly reduces telecom room energy consumption and thermal load.
  • Advanced high-speed DSP digital control and native CAN bus enable seamless integration with Huawei SMU controllers.
  • Lossless hot-swap capability and comprehensive protection mechanisms guarantee secure and stable base station operation.

Technical specifications

Key specificationsValue
Rated Output Voltage-48VDC (-42V ~ -58V)
Maximum Output Current30A
Rated Output Power1800W
AC Input Voltage85V AC ~ 300V AC
Maximum Efficiency≥ 94.0%
Operating Temperature Range-40°C ~ +75°C
Cooling SystemForced Air Cooling with Intelligent Speed Fan
Hot-Swappable SupportYes (Live Hot-Pluggable / Plug-and-Play without Power Interruption)

Applications

01

Macro and micro base station outdoor integrated telecom power supply cabinets

02

Fiber-optic transmission repeaters and broadband digital loop carrier access nodes

03

Central office -48V DC power distribution plant with battery float charging management

04

Mission-critical industrial SCADA and railway signaling dedicated communication systems

Frequently asked questions

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