Product Overview
The Emerson HD48100‑5 (compatible with HD48100‑2 / PSM‑A) is a high‑power, high‑reliability DC rectifier module designed for core telecom central offices, large data centers, IDC rooms and critical power infrastructure. It adopts advanced soft‑switching technology and a built‑in high‑performance microprocessor, converting three‑phase AC input into stable –48V DC output with rated power up to 5800W and max output current 100A.
Featuring high efficiency, wide input voltage, active current sharing, complete protection and strong environmental adaptability, this module delivers stable, energy‑saving and maintenance‑free operation for large‑capacity DC power systems. It is a proven core component for mission‑critical telecom and data center power supply.
Key Features
Advanced soft‑switching topology, world‑class efficiency up to ≥92%, low power consumption and heat
Wide three‑phase AC input range 304–456VAC, 45–65Hz, strong grid adaptability
Stable adjustable DC output 42–58VDC, rated current 100A, max power 5800W
Excellent active current sharing, current sharing unbalance ≤±3%, supports parallel expansion
Standard 19‑inch rack‑mount structure, easy integration into core power systems
Built‑in high‑reliability IGBT modules, high voltage & current endurance, long service life
Comprehensive protection: overvoltage, overcurrent, short circuit, overheating, input undervoltage
Precision distributed control system, real‑time monitoring & fault self‑diagnosis
Unique fan layout, easy maintenance, strong dust resistance
Compliance with global telecom safety & EMC standards
Technical Specifications
| Item | Details |
| Brand | Emerson / Vertiv |
| Model | HD48100‑5 (compatible HD48100‑2, PSM‑A) |
| Type | High‑power telecom rectifier module |
| AC Input | 304–456VAC, 3‑phase, 45–65Hz |
| DC Output | 42–58VDC adjustable; Nominal 48VDC |
| Rated Output Current | 100A |
| Rated Output Power | 5800W |
| Peak Efficiency | ≥92% @ rated load |
| Power Factor | ≥0.92 |
| Current Sharing Accuracy | ≤±3% |
| Voltage Regulation | ≤±0.4% |
| Protection | OVP, OCP, SCP, OTP, Input Undervoltage |
| Cooling | Forced air cooling |
| Dimensions (H×W×D) | 88 × 482 × 357 mm |
| Weight | Approx. 12.6–16 kg |
| Operating Temp | –5°C ~ +45°C |
| Storage Temp | –40°C ~ +70°C |
| Certifications | CE, Telecom Standard, RoHS |
| Warranty | 12 Months |
| Application | Core telecom, data center, IDC, central office |
Applications
Core telecom central offices and backbone transmission stations
Large IDC data centers and cloud computing equipment rooms
High‑capacity 48V DC power systems for critical infrastructure
Industrial control, utilities and large server room power supply
Telecom central office equipment and high‑power communication loads
Replacement & upgrade for legacy Emerson PS481000 series systems
Why Choose Us
We are a professional manufacturer and one‑stop solution provider for communication DC power systems, boasting mature R&D strength, large‑scale production capacity and flexible service modes. We fully support OEM and OBM cooperation, helping global partners create differentiated power products and brands.
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Powerful R&D & Customization Ability
We have a professional technical team with years of experience in the power industry. We can provide personalized customized services covering power configuration, external interfaces, functional parameters, appearance design and logo printing, to satisfy diverse demands from telecom operators, system integrators and equipment manufacturers.
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Comprehensive OEM & OBM Services
We offer full‑cycle cooperation support from product design, prototype testing, certification to mass production. With efficient development process and strict quality management, we help you quickly launch products and build exclusive brand advantages.
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Large Production Capacity & On‑time Delivery
We own standardized production workshops and complete production lines. Relying on a stable supply chain and mature production technology, we maintain sufficient inventory and strong production capacity, ensuring on‑time delivery even for bulk orders and long‑term cooperative supply.
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Strict Multi‑level Quality Inspection
All products will pass full‑load operation test, high‑low temperature aging test, safety performance test and simulated on‑site operation test before delivery. We adopt high‑quality original components and implement strict quality control standards to guarantee long‑term stable operation of products in various harsh environments.
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Full Lifecycle Technical & After‑sales Support
We establish a complete service system including pre‑sales consultation, in‑sales technical guidance and after‑sales maintenance. Our technical team responds quickly to provide remote debugging, on‑site technical guidance, equipment maintenance training and spare parts supply, protecting the stable operation of your power system all the time.
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Rich Global Project Experience
Our products have been exported to many countries and regions, widely applied in communication, data center, industrial control, new energy and other fields. With rich global project experience, we can provide targeted power solutions for different regional standards and application scenarios.
We sincerely look forward to establishing long‑term stable cooperative partnership with you.
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