Shijiazhuang Tonhe Electronics Technologies Co., Ltd.
                                                                                                           
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Ultra High Density 1U 3000W 48V DC Rectifier Compact TH48D50NZ-S-2

Price Negotiable
Price: Factory Price
MOQ: 5
Delivery Time: 7 days
Brand: TONHE
Product Description
TH48D50NZ-S-2 High-Efficiency 48V DC Rectifier
Key Specifications
Input Voltage 176-264VAC/220V Output Current 50A
Output Voltage 40-58VDC/48V Power 3 KW
Parallel Operation Uneven Flow ±5% Efficiency ≥96%
Voltage Stabilization Accuracy ±0.5% Working Temperature -10℃~+40°C
Cooling Fan cooling Noise Level ≤55dB
Weight ≤1.9KG Dimensions (L×W×H) 248×110.2×44.7(mm)
Warranty 12 months Place of Origin HeBei, China
Product Overview
The TH48D50NZ-S-2 is an ultra-high-density 1U switching power module delivering 48V/50A (3000W). Featuring industry-leading ≥96% efficiency and AC/DC dual input, it sets a new standard for performance in a compact form factor. Designed for demanding applications, it supports Modbus communication and offers exceptional deployment flexibility.
Key Advantages
  • Superior Power Density: Delivers full 3000W output in a standard 1U rack space, maximizing cabinet capacity
  • Ultra-High Efficiency & Low Loss: ≥96% peak efficiency minimizes energy costs, with standby power under 5W
  • Flexible & Robust: AC/DC wide-range input, programmable power levels, and comprehensive protections ensure reliable operation in diverse conditions
  • Intelligent Management: Supports remote monitoring and safe hot-swap, enabling easy system maintenance and control
Technical Specifications
Output Current (A) 50
Maximum Power (W) 3000
Cooling Method Fan Cooling
Input Voltage Range (VAC/VDC) 176-264
Adjustable Output Range (VDC) 40-58
Voltage Regulation Accuracy ±0.5%
Charger Efficiency (Peak) ≥96%
Maximum Audible Noise (dB) 55
Operating Temperature Range -10℃ to +40℃
Standby Power ≤5W
Current Sharing Imbalance ±5%
Protection Features
  • Automatic Current Limiting: Switches to constant current operation when output reaches set limit
  • Linear Power Limiting: Guarantees ≥2600W output at 154V input and 1200W at 90V input
  • Short-Circuit Protection: Self-protects during output short-circuit, auto-restores within ~40 seconds after fault clearance
  • Overtemperature Protection: Auto-restarts approximately five minutes after fault clearance
  • Frequency Response: Normal operation across 45Hz-60Hz input frequency range
Application Scenarios
Ideal for next-generation high-density DC power systems:
  • High-Capacity Telecom/Data: 5G base stations and data centers requiring maximum power density and efficiency
  • Integrated Power Systems: Core power component in UPS, DC backup, or industrial systems where space and performance are critical
  • Upgrading Infrastructure: Replacing older modules to dramatically increase power capacity within the same rack footprint
Product Images
TH48D50NZ-S-2/3 DC rectifier front view TH48D50NZ-S-2/3 DC rectifier side view TH48D50NZ-S-2/3 DC rectifier rear connections TH48D50NZ-S-2/3 installation in rack system TH48D50NZ-S-2/3 internal components TH48D50NZ-S-2/3 technical specifications label
Company & Support Information
Why Choose Tonhe?
We are a high-tech enterprise integrating manufacturing, sales, system solutions, and after-sales service. With over 290 successful projects for 220 kV to 500 kV substations and battery systems above 1000 Ah, Tonhe has become a leading DC power system supplier in China, holding over 40% market share and producing 3 million modules annually. Choose us for exceptional quality, reliable support, and proven value.
Quality Assurance
Our 8 advanced production lines, equipped with imported machinery, achieve 80% automation and up to 99% first-pass yield. All power modules undergo double-sided potting, conformal coating, and rigorous functional, environmental, and aging tests—ensuring reliable 24/7 performance in critical power infrastructures.
Business Support
We provide a full range of power conversion modules, system-level low-voltage DC distribution cabinets for DC loads, data center power systems, as well as customized hardware and software power solutions.
Sample Orders
Yes, you can get sample orders to test our quality. The cost of samples is paid by the customer.
Payment Types
We accept payment via TT (Telegraphic Transfer).

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shijiazhuang Tonhe Electronics Technologies Co., Ltd.
Location No.350 Lijiang Road, Yuhua District, Shijiazhuang City, China
Contact Person TIAN

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