Products and Solution

3.5kW Communication Power Supply Module

TR48-3500
The TR48-3500 series high-frequency switching rectifier module is an AC/DC module featuring AC voltage input and adjustable DC voltage output. The module utilizes DSP digital control, resonant soft-switching, and active PFC technologies, protected by multiple patents. It is characterized by high power density, a high power factor, low harmonics, and high efficiency, with the capability for parallel operation of multiple modules.

Product Features

High Efficiency & Energy Saving

High efficiency: Reduces energy consumption, meets energy conservation and emission reduction requirements, and helps customers save on electricity costs.

High power density: Saves customer space and reduces system costs.

01
Excellent Performance

DSP digital control: Fewer components, higher environmental stability, higher reliability, and more convenient expansion.

02
Safety & Reliability

Built-in anti-reverse protection and failure self-isolation function: Greatly improves system reliability.

Comprehensive fault self-detection prompts: Rich fault detection facilitates customer maintenance.

Hot-swappable: Enables convenient use and reduces maintenance costs.

03
Wide Adaptability

Low input harmonic content: Reduces grid pollution and enhances grid adaptability.

Wide operating temperature range: Meets the requirements of most harsh working environments.

04

Product Parameters

TR48‐3500
General
Output Characteristics
Input Characteristics
Operating Environment
Safety Protection
Other Parameters
General

Item

Specification

General

Model

TR48‐3500

Dimensions

125mm×303mm×41mmW×D×H

Weight

2KG

Output Characteristics

Item

Specification

Output Characteristics Rated Output Power 3.5kW
DC Output Voltage Range DC 42V~58.5V
Rated Output Current 60A
Adjustable Current Limit 10‐110% Stepless Adjustment
Peak-to-Peak Noise ≤200mV
Voltage Regulation Accuracy ≤±0.5%
Current Sharing Imbalance ≤±5%
Efficiency Full Load: ≥ 92% ; Half Load: ≥ 92.5%
Short Circuit Current Limiting: Module operates in current-limit mode; Auto-recovery after fault removal.
Over-current Shutdown: Internal protection triggers shutdown; Auto-recovery after fault removal.
Over-voltage Latch-off: Automatic shutdown and locked; Requires manual reset or power re-cycle after fault removal.
Input Characteristics

Item

Specification

Input Characteristics

Rated Input Voltage

220VAC/220VDC;110VAC/110VDC(Half Load)

Input Range

176VAC~300VAC(Full Load)176VAC~85VAC(Derated)

176VDC~400VDC(Full Load)176VDC~85VDC(Derated)

Input Current

<25A

Frequency

45Hz~65Hz

Power Factor (PF)

≥0.99

THD

≤5%
Operating Environment

Item

Specification

Operating Environment

Operating Temperature

-40°C~45°C (Normal);45°C~75°C (Derating)

Storage Temperature)

-40°C~75°C

Operating Humidity

0~95%

Altitude

Full load output below 2000m
Safety Protection

Item

Specification

Protection Characteristics Input Protection Fuse & Surge Protection Circuit
Short Circuit & Over-current Auto-recovery after fault removal
OTP Shutdown: 80℃±5℃, Recovery:70℃±5℃
Other Parameters

Item

Specification

Reliability & Compliance

Dielectric Strength

Input to Chassis: Withstands 2500VAC (50Hz RMS) or equivalent 3535VDC for 1 minute.

  • Input to Output: Withstands 3000VAC (50Hz RMS) or equivalent 4242VDC for 1 minute.

Communication

Communication Interface

CAN

Max. Units in Parallel

60 units

Expand all parameters

Application Scenarios

Telecom Base Station
Data Center
Outdoor Power Equipment
Telecom Base Station

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