48V DC Power Supply Telecom 48VDC Rectifier Module 50A 3kw

Product Introduction
The TH48D50NZ-S is a professional 48V DC Power Supply Telecom high-frequency rectifier module with specifications of 48V/50A/3KW. Adopting a 1U rack-mounted design, it is widely applied in communication base stations, computer rooms, data centers, and photovoltaic energy storage communication power supply systems. Its core advantages are listed below:
- High Efficiency & Energy Saving: Peak efficiency ≥96%, power factor ≥0.99, low power consumption and low heat generation
- Wide Voltage Adaptation: 176–264V AC wide input range, compatible with unstable power grids worldwide
- High Stability & Precision: High-precision voltage and current stabilization, supporting 7×24-hour unattended operation
- Flexible Capacity Expansion: Supports multi-module intelligent current sharing parallel connection and redundant backup
- Convenient Maintenance: Hot-swappable design, no shutdown required for module replacement
- Full Protection Mechanism: Comprehensive protection against overvoltage, undervoltage, overcurrent, short circuit, over temperature and reverse connection
- Wide Temperature Adaptability: Full-power operation from -20℃ to +55℃, dustproof and moistureproof for outdoor working conditions

Core Product Parameters
Standard parameters for 48V DC Power Supply Telecom equipment, suitable for global communication engineering working conditions:

Service Advantages
- Original Factory Quality Assurance: Adopts industrial-grade components, passes strict aging, full-load and voltage fluctuation tests, ultra-low failure rate, supporting 24/7 continuous operation
- Customized Service: Supports voltage fine-tuning, network adaptation and protocol matching, providing complete customized power supply system solutions
- 24/7 Technical Support: Round-the-clock online guidance, remote debugging and fault troubleshooting, providing English documents for overseas projects
- Reliable Export Delivery: CE/ROHS certified, complete customs documents, multi-port shipment, supporting small-batch trial orders and mass production
- Cost-Effective & Energy-Saving: High energy efficiency reduces power consumption; hot-swap design lowers operation and shutdown maintenance costs

Export Cases
- Southeast Asia 5G Base Station Renovation (Malaysia/Indonesia): Adaptable to high temperature, high humidity and unstable local power grids, replacing old power modules with stable zero-fault long-term operation for hundreds of base stations
- Africa Telecom Room Capacity Expansion (Nigeria/Kenya): Adopts multi-module parallel redundant networking, resists voltage surge and short circuit risks, ensuring uninterrupted power supply for core computer rooms
- Middle East PV Energy Storage Communication Project (Saudi Arabia/UAE): Adaptable to desert high-temperature environments, compatible with solar & mains hybrid power systems, serving remote base station coverage projects with high energy efficiency
As a high-performance 48V DC Power Supply Telecom solution, the products are exported to more than 30 countries in Southeast Asia, Africa, the Middle East, South America and other regions, widely recognized as the preferred model for overseas communication engineering projects.
FAQ
- Q1: Does it support parallel capacity expansion? What is the maximum parallel quantity?
A: It supports automatic current sharing parallel connection and redundant backup without manual debugging. A maximum of 8 modules can be paralleled for high-power capacity expansion.
- Q2: Can it adapt to unstable overseas power grids?
A: With a wide AC input range of 176–264V and built-in voltage stabilization, overvoltage and undervoltage protection, it maintains stable 48V DC output against severe grid fluctuations.
- Q3: Is hot swap supported? Is shutdown required for replacement?
A: Hot-swappable function is supported. Module replacement and maintenance can be completed without powering down the whole system, with no impact on overall equipment operation.
- Q4: Can it work in high and low temperature environments?
A: It supports full-power operation at -20℃ to +55℃. Equipped with intelligent temperature control cooling, dustproof and moistureproof design, it adapts to outdoor, computer room and high-temperature field working conditions.
- Q5: Is it export-compliant? What is the after-sales policy?
A: Certified with CE and ROHS with complete customs clearance documents. We provide 2-year full machine warranty, lifelong maintenance and overseas remote technical support services.

Shijiazhuang Tonhe Electronic Technology Co., Ltd. is a high-tech enterprise dedicated to technological innovation, product innovation, and management innovation in the power electronics industry. The company integrates R&D, manufacturing, sales, and service in the power electronics sector, providing customers with comprehensive energy solutions. Founded in 1998, the company was wholly transformed into a joint-stock company in 2012 and successfully listed on the ChiNext Board of the Shenzhen Stock Exchange on December 31, 2015, with stock code 300491. As a highly promising knowledge-intensive high-tech enterprise, the company has maintained steady and sustainable growth. It currently employs over 1,600 people, with R&D personnel accounting for approximately 30% of the workforce. To date, the company has obtained more than 200 patents and over 60 software copyrights.