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ETP48400-C4A1 Subrack 48VDC 450A Telecom DC Power System
Ultra-Large Load Capacity: Max 450A DC output and 24kW total power, fully meeting the power demands of large telecom equipment clusters and 5G base stations.
Dual AC Input Compatibility: Supports 220V single-phase and 220/380V three-phase AC input, with a wide working voltage range to adapt to various complex power grid environments.
High Efficiency & Energy Saving: Matched rectifier modules achieve up to 96.5% conversion efficiency. The intelligent module sleep function automatically shuts down redundant modules under low load, effectively reducing energy consumption.
Natural Heat Dissipation: Adopts fanless natural cooling design, lowering failure rate, operating noise and daily maintenance workload, suitable for long-term 24-hour continuous operation.
Hot-Swap Modular Design: Rectifier and monitoring modules support hot plugging and replacement. Maintenance can be done without shutting down the system to avoid service interruption.
Intelligent Distribution Management: Supports independent power-off control for different loads and precise power metering of each branch, facilitating refined power operation and management.
Professional Battery Management: Built-in dedicated battery management circuit to optimize charge and discharge cycles, extend battery service life and ensure reliable backup power.
Multi-Level Lightning & Safety Protection: Integrated AC/DC surge protection, overvoltage, overcurrent and short-circuit protection to safeguard equipment in harsh outdoor and indoor environments.
Remote Monitoring Function: Comes with standard communication interfaces, supporting remote status viewing, fault alarm and online management for unattended machine rooms.
5G/4G mobile communication base stations and cell sites
Large indoor telecom machine rooms and backbone transmission equipment
FTTX large-scale broadband access network systems
Data center DC power distribution and backup power projects
Renovation and capacity expansion of existing communication power stations
| Category | Item | Parameter |
|---|---|---|
| Basic Info | Product Type | Subrack Embedded Telecom DC Power System |
| Model | ETP48400-C4A1 | |
| Application | Huawei Telecom Equipment, 5G Base Station | |
| Protection Grade | IP20 | |
| AC Input | Input Mode | 220V Single-phase / 220/380V Three-phase AC |
| Operating Voltage | 85V ~ 300V AC | |
| Input Frequency | 45Hz ~ 66Hz (Nominal 50/60Hz) | |
| AC Surge Protection | 20kA / 40kA (8/20μs) | |
| DC Output | Nominal Voltage | 48V DC (Adjustable: 42V ~ 58V DC, Default 53.5V DC) |
| Max Total Current | 450A | |
| Total Output Power | Up to 24kW | |
| Output Type | Multiple Distribution Circuits | |
| DC Surge Protection | 10kA / 20kA (8/20μs) | |
| Module Matching | Compatible Rectifier | 50A / 75A Rectifier Modules |
| Max Module Quantity | 6 Units | |
| Rectifier Efficiency | ≥ 96.5% | |
| Physical & Structure | Installation Style | 19-inch Standard Rack / Embedded Cabinet |
| Cooling Mode | Natural Cooling (Fanless) | |
| Maintenance Mode | Front Operation & Front Maintenance | |
| Cabling Mode | Front In & Front Out | |
| Environment | Operating Temperature | -40℃ ~ +65℃ |
| Storage Temperature | -40℃ ~ +70℃ | |
| Relative Humidity | 5% ~ 95% (Non-condensing) | |
| Max Working Altitude | 4000m |
Super High Power Capacity: 450A large current and 24kW total power are tailored for high-load telecom scenarios such as 5G base stations.
Wide Grid Adaptation: Dual single/three-phase input and wide voltage range suit power supply standards in different regions.
Low Operation Cost: High efficiency + intelligent sleep technology reduce long-term power consumption and operating expenses.
Low Failure Risk: Fanless natural cooling design reduces vulnerable parts and improves equipment stability.
Easy O&M: Hot-swap modules and front maintenance design simplify on-site inspection and replacement work.
Smart Management: Branch load control and power metering functions realize refined operation for power stations.
Rugged Performance: Ultra-wide temperature and altitude resistance plus multi-protection design adapt to various harsh deployment environments.
