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48V 90A Output 401-500W Power Range 3U Rack Mount Design Embedded Telecom DC Power Supply Rectifier System
48V 90A Output Embedded Telecom DC Power Supply
,401-500W Power Range Rectifier System
,3U Rack Mount Design Telecom Power Cabinet
The ETP4890-B3A1-1 is a high-performance embedded telecom DC power supply designed for communication equipment and power distribution scenarios. It adopts 200–240V single-phase AC input and converts it into a stable 48V DC output, with a rated current of 90A and output power ranging from 401W to 500W. This standard 3U subrack power system is equipped with matched rectifier modules and an SMU monitoring unit, featuring ultra-wide voltage adaptation, high power factor, and natural heat dissipation. It supports hot-swap modules, remote monitoring, and multi-level safety protection, and is compact in structure with a front maintenance design. It is widely used in telecom base stations, indoor machine rooms, FTTX access networks, and other fields, serving as a reliable basic power device for various communication equipment.
- Stable Power Output: Standard 48V DC single output, rated 90A current, power range 401–500W, steady voltage with low ripple to avoid signal interference.
- Wide Grid Adaptation: 200–240V AC input, 45–66Hz frequency, 85–300V ultra-wide working voltage range, stable operation under unstable power grids.
- High Power Factor: Power factor up to 0.99 under rated load, low reactive power loss, and excellent energy-saving performance.
- Natural Heat Dissipation: Fanless design reduces failure points and operating noise, suitable for 24-hour uninterrupted long-term operation.
- Hot-Swap Modular Design: Rectifier and monitoring modules support hot plugging. No shutdown required for replacement, greatly simplifying on-site maintenance.
- Intelligent Monitoring System: Equipped with a dedicated SMU monitoring unit, supporting remote data viewing, fault alarm, and centralized management.
- Complete Protection Mechanism: Integrated overvoltage, overcurrent, short-circuit, and over-temperature protection, plus lightning protection to safeguard equipment safety.
- Rugged Environmental Adaptability: Works stably from −40℃ to +65℃, storage temperature −40℃ to +70℃, normal operation below 4000m altitude.
- Standard Structure: 3U rack-mounted design, 19-inch cabinet compatible, front maintenance, and reasonable cabling for easy installation.
- Mobile communication base stations and remote cell sites
- Indoor telecom machine rooms and transmission equipment rooms
- FTTX fiber-optic broadband access systems
- Small and medium-sized embedded DC power distribution projects
- Industrial equipment and backup power supply systems
| Category | Item | Parameter |
|---|---|---|
| Basic Info | Product Type | Embedded Telecom DC Power Supply / Rectifier Module |
| Model | ETP4890-B3A1-1 | |
| Output Type | Single | |
| AC Input | Rated Voltage | 200 ~ 240 VAC |
| Working Voltage Range | 85 ~ 300 VAC | |
| Input Frequency | 45 ~ 66Hz (Nominal 50/60Hz) | |
| Power Factor | ≥ 0.99 (Rated Load) | |
| DC Output | Nominal Voltage | 48V DC (Adjustable: 42 ~ 58V DC, Default 53.5V DC) |
| Rated Output Current | 90A | |
| Output Power | 401 ~ 500W | |
| Voltage Regulation Accuracy | ≤ ±1% | |
| Output Ripple | ≤ 200mVpp | |
| Matching Parts | Compatible Rectifier | R4830G1 / R4830N2 (Max 3 units) |
| Monitoring Unit | SMU01C | |
| Physical & Structure | System Height | 3U |
| Dimension (W×D×H) | 482.6 × 330 × 219.5mm | |
| Weight (With Modules) | ≤ 13kg | |
| Protection Grade | IP20 | |
| Cooling Mode | Natural Cooling (Fanless) | |
| Installation | 19-inch Standard Rack | |
| Maintenance Mode | Front Maintenance | |
| Environment | Operating Temperature | −40℃ ~ +65℃ |
| Storage Temperature | −40℃ ~ +70℃ | |
| Relative Humidity | 5% ~ 95% (Non-condensing) | |
| Max Working Altitude | 4000m (Derate 1℃ per 200m above 2000m) | |
| Certification | Qualification | CE, RoHS, ISO |
- Cost-effective Performance: 90A large current output meets medium-load power demands, ideal for small and medium telecom projects.
- Strong Grid Compatibility: Ultra-wide input voltage adapts to complex power supply environments in different regions.
- Low Failure Rate: Fanless natural cooling reduces daily maintenance work and improves operational stability.
- Easy O&M: Hot-swap modules and front maintenance design save time for equipment replacement and inspection.
- Full Protection: Multi-layer safety and lightning protection ensure stable operation in harsh indoor and outdoor scenarios.
- Remote Manageable: Built-in monitoring unit supports unattended management for multiple sites.
Shenzhen Pengcheng Electric Technology Co., Ltd.
Address: Room 229, Zhongzheng Fortune Building, No. 6093, Xinhe Community, Fuhai Sub-district, Bao'an District, Shenzhen
We are a professional supplier focusing on the R&D, sales, and export of communication power supplies and data center peripheral products. Our product portfolio covers mainstream brands including Vertiv (E merso n), Huawei, Eltek, ZTE, and Delta, involving embedded power systems, rectifier modules, monitoring units, power distribution cabinets, UPS, and supporting storage batteries. We also provide customized cabinet and OEM services to meet personalized project demands.
All products undergo strict performance testing, aging testing, and full-load testing before delivery to ensure reliable quality. We offer comprehensive after-sales support and sufficient spare parts within the warranty period, helping customers cut maintenance time and costs. Our products are exported to Southeast Asia, Africa, the Middle East, Europe, South Asia, and other regions, and have won wide recognition from global distributors and engineering clients.
A: The rated output current is 90A, and the output power ranges from 401W to 500W.
A: The rated input is 200–240V AC, with an ultra-wide working range of 85–300V AC.
A: It matches R4830G1/R4830N2 rectifier modules (max 3 units) and the SMU01C monitoring unit.
A: It uses fanless natural cooling, featuring low noise and low failure rate.
A: Yes, both rectifier and monitoring modules support hot swap for maintenance without powering off.
A: The operating temperature is −40℃ to +65℃, and it can work normally at an altitude up to 4000m.
A: Yes, we support sample testing, logo, and packaging customization according to requirements.
