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China factory - Shijiazhuang Tonhe Electronics Technologies Co., Ltd.

Shijiazhuang Tonhe Electronics Technologies Co., Ltd.

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  3. Industrial 48v DC Rectifier 50A 3KW Power Robust Intelligent TH48T50ZZ
China Industrial 48v DC Rectifier 50A 3KW Power Robust Intelligent TH48T50ZZ
China Industrial 48v DC Rectifier 50A 3KW Power Robust Intelligent TH48T50ZZ

  1. China Industrial 48v DC Rectifier 50A 3KW Power Robust Intelligent TH48T50ZZ
  2. China Industrial 48v DC Rectifier 50A 3KW Power Robust Intelligent TH48T50ZZ
  3. China Industrial 48v DC Rectifier 50A 3KW Power Robust Intelligent TH48T50ZZ

Industrial 48v DC Rectifier 50A 3KW Power Robust Intelligent TH48T50ZZ

  1. MOQ： 5
  2. Price： Factory Price
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Payment Terms T/T
Supply Ability Annual output of 1 million modules
Delivery Time 7 days
Packaging Details Cartons on a pallet
Output Current 50A
Power 3KW
Voltage Regulation Accuracy ±0.6%
Input Power Factor ≥0.93
Charger Efficiency ≥92%
Maximum Audible Noise (Peak-to-Peak) 50dB
Current Sharing Imbalance ±3%
Warranty 12 months
Brand Name TONHE
Model Number TH48T50ZZ
Certification CE、ISO9001
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Supply Ability Annual output of 1 million modules
Delivery Time 7 days Packaging Details Cartons on a pallet
Output Current 50A Power 3KW
Voltage Regulation Accuracy ±0.6% Input Power Factor ≥0.93
Charger Efficiency ≥92% Maximum Audible Noise (Peak-to-Peak) 50dB
Current Sharing Imbalance ±3% Warranty 12 months
Brand Name TONHE Model Number TH48T50ZZ
Certification CE、ISO9001 Place of Origin China
High Light 48v dc rectifier 50a ，industrial 48v rectifier ，industrial 48v dc rectifier
TH48T50ZZ 48V DC Rectifier
The TH48T50ZZ is a robust, intelligent 48V/50A (3KW) switching power supply module designed for high-power telecommunication and industrial systems. It operates from a standard three-phase 380VAC input and utilizes advanced "resonant voltage-type dual-loop control" technology for high efficiency and reliability.
Model Number TH48T50ZZ Brand Name TONHE
Input Voltage 304-456VAC/380VAC Output Current 50A
Output Voltage 40-58VDC/53.6V Power 3 KW
Current Sharing in Parallel ±3% Efficiency ≥92%
Voltage Stabilization Accuracy ±0.6% Startup Delay 3～8s
Input Power Factor ≥0.93 Cooling Natural cooling
Dimensions (L*W*H) 391*139*263mm Noise Level ≤50dB
Warranty 12 months Place of Origin HeBei, China
Key Product Advantages
  • High-Power Three-Phase Input: Designed for 304-456VAC three-phase input, providing efficient and stable power conversion for demanding high-capacity applications.
  • High Efficiency & Power Factor: Delivers ≥92% efficiency with a high input power factor (≥0.93), reducing energy loss and improving grid-side performance.
  • Comprehensive Protection & Management: Features robust protections including output over-voltage, short-circuit, over-temperature, and phase-loss protection. Supports full remote monitoring, control, and battery management.
  • Scalable & Reliable System Integration: Supports N+1 hot-standby configuration and excellent parallel current sharing (±3%), allowing for smooth system expansion and ensuring high availability.
Technical Specifications
Parameter TH48T50ZZ
Output Current (A) 50
Power (KW) 3
Input Voltage Range (VAC) Min: 304, Typical: 380, Max: 456
Adjustable Output Range (VDC) Min: 40, Typical: 53.6, Max: 58
Voltage Regulation Accuracy ±0.6%
Input Power Factor ≥0.93
Efficiency ≥92%
Maximum Audible Noise (dB) 50
Operating Temperature (°C) Min: -10, Typical: 50, Max: 40
Storage Temperature (°C) Min: -40, Typical: 50, Max: 60
Protection Features
Automatic Current Limiting: Once the output current reaches the set current limit, the module automatically switches to constant current operation.
Overvoltage Protection: If output voltage exceeds 60-63 VDC, the module automatically stops output to prevent equipment damage.
Phase Loss Protection: When any AC mains phase is missing, the module reduces maximum output current to 25A ±0.5A and triggers an alarm.
Short-Circuit Protection: During output short-circuit, the module self-protects and automatically restores normal operation after fault clearance.
Insulation Strength: Input to Chassis: 1600VAC/1min/5mA; Input to Output: 1600VAC/1min/4mA; Output to Chassis: 600VAC/1min/4mA
Application Scenarios
This module is an ideal power solution for large-scale installations requiring three-phase AC input and high DC power output:
  • Large Telecommunication Facilities: Central offices, data centers, and major network hubs requiring reliable, high-capacity 48V DC power systems.
  • Industrial Power Systems: As a core power component in integrated AC/DC power systems or industrial control settings with three-phase power infrastructure.
  • Critical Backup Power Systems: Serving as a high-power rectifier module in large DC backup power arrays for essential equipment and facilities.
Product Images
TH48T50ZZ 48V DC Rectifier front view TH48T50ZZ 48V DC Rectifier side view TH48T50ZZ internal components view TH48T50ZZ power module details TH48T50ZZ installation view TH48T50ZZ technical specifications label
Company Information & Support
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 1 million modules annually.
Quality Guarantee
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).

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer

  • Year Established:

    1998

  • Total Annual:

    210000000-250000000

  • Employee Number:

    1800~2000

  • Ecer Certification：

    Verified Supplier

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, prov... 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, prov...

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  • Shijiazhuang Tonhe Electronics Technologies Co., Ltd.
  • No.350 Lijiang Road, Yuhua District, Shijiazhuang City, China
  • https://www.tonheelectronics.com/

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