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  • Wide DC output voltage range: 50Vdc-500Vdc, meeting the fast charging needs of various electric vehicles and battery packs.
  • Ultra-low standby power consumption: less than 9W.
  • Unique three-proof design: Unique protection against salt spray, moisture, and mildew, as well as specialized process design, enabling the module to adapt to various charging station application scenarios.
  • Built-in intelligent discharge circuit: Automatically discharges residual charge, simplifying system design and enhancing system reliability.
  • High efficiency under full load range: High efficiency under full load range, outperforming industry products which often operate inefficiently under low-load conditions when fully charged, thus saving energy.
  • Wide temperature range: -40°C ~ +75°C, with reduced output above +55°C, adapting to applications in various scenarios.

SEG50050 is a DC charging module that adopts patented circuit design and innovative technology. It features a wide constant power voltage range, high efficiency, high power factor, high power density, extremely low electromagnetic radiation and interference, and high reliability. It meets the fast charging requirements of various electric vehicles and has remarkable energy-saving and environmental protection effects, reaching the international leading level.

Innovative Features:

  • Wide DC output voltage range: 50Vdc-500Vdc, meeting the fast charging needs of various electric vehicles and battery packs.
  • Ultra-low standby power consumption: less than 9W.
  • Unique three-proof design: Unique protection against salt spray, moisture, and mildew, as well as specialized process design, enabling the module to adapt to various charging station application scenarios.
  • Built-in intelligent discharge circuit: Automatically discharges residual charge, simplifying system design and enhancing system reliability.
  • High efficiency under full load range: High efficiency under full load range, outperforming industry products which often operate inefficiently under low-load conditions when fully charged, thus saving energy.
  • Wide temperature range: -40°C ~ +75°C, with reduced output above +55°C, adapting to applications in various scenarios.

Main Characteristics:

  • Energy-saving and environmentally friendly: High-efficiency operation under full load range and ultra-low standby power consumption, with a full-load efficiency of 95%, effectively reducing energy loss and achieving energy conservation and environmental protection.
  • Wide input voltage range: AC 260Vac ~ 530Vac, adapting to various grid environments.
  • Three-phase no-neutral-line AC input: Simplified system design, eliminating the risk of excessive neutral-line current and reducing system costs.
  • Advanced active power factor correction technology: High power factor, low harmonic content, reducing harmonic interference to the grid and superior to industrial application standards.
  • Full digital control: Dual-DSP design, achieving full digital control of the charging module, ensuring high reliability of control.
  • No thermal plug damage: The module has a true non-damaging thermal plug function, ready for immediate use.
  • Universal module structure design: The same series of modules have a unified structure, facilitating rapid upgrading of charging piles and saving R&D costs and development cycles.
  • Battery overcharge protection: Effectively protects the battery while ensuring the safe operation of the system.
  • High power density: 43.67W/in³, saving space inside the charging pile and reducing the footprint of the charging pile.
  • Excellent electromagnetic compatibility: Meets the electromagnetic compatibility (EMC) CLASS A requirements of EN61000-6-1 and EN61000-6-3 standards, with minimal electromagnetic radiation and interference.
  • Reliability certification: Certified by Kaipu and the State Grid Electric Power Research Institute.

Application Scenarios:

  • DC charging stations for low-speed electric vehicles, passenger electric vehicles, and electric logistics vehicles.
  • Charging equipment for electric forklifts and electric tractors.

Technical Parameters

Category Details
Working Environment Conditions
Operating Temperature -40°C ~ +75°C, with reduced performance above +55°C
Storage Temperature -40°C ~ +80°C
Relative Humidity ≤95%RH, no condensation
Cooling Method Forced air cooling
Altitude 2000m, performance considerations required above 2000m
AC Input
Input Voltage Range 260Vac~530Vac, three-phase without neutral line
Maximum Input Current <37A
Frequency Range 45Hz ~ 65Hz
Power Factor ≥0.99
Efficiency (Full Load) >95%
THD <5%
DC Output
Output Power 21kW
Voltage Range 50Vdc-500Vdc, with voltage adjustment step of 0.1Vdc
Constant Power Output Voltage Range 400Vdc-500Vdc
Output Current 0-50A
Output Current Limiting 0.3-50A continuously adjustable
Current Sharing Imbalance <±5%
Voltage Regulation Accuracy <±0.5%
Current Regulation Accuracy ≤±1% (within 20% ~ 100% of rated output load range)
Monitoring
Communication Method CAN bus
Indicator Lights Green: Normal operation; Yellow: Protection alarm; Red: Fault alarm
Alarm and Protection
Input Over/Under Voltage Protection Automatic shutdown protection, resumes operation automatically after input normalizes
Output Overvoltage Protection Automatic shutdown and lockout, requires power reset to resume operation
Overcurrent and Short Circuit Protection Automatic shutdown and lockout, requires power reset to resume operation
Overtemperature Protection Automatic shutdown protection, resumes operation automatically after temperature normalizes
Product Reliability and Safety
Mean Time Between Failures (MTBF) >500,000 hours
Safety Standards Meets CE requirements
Dimensions and Weight
Size 85mm (height) × 226mm (width) × 395mm (depth) (excluding handles and protruding parts of terminals)
Weight ≤11kg
Ordering Information
Module Model SEG50050 charging module
Supporting Cables SEG20KW11-18, SEG20KW12-18

*Products are constantly being innovated, and specifications may change without prior notice.

Project Overview

SunCare Hospital, a leading healthcare institution committed to sustainable operations and patient well-being, partnered with us to transition its energy source to solar. The project involved the full design and installation of a customized solar power system to reduce operating costs, increase energy reliability, and support the hospital's green initiatives.

Project Objectives

This project was designed to meet the hospital’s energy needs while promoting sustainability, reducing costs, and ensuring uninterrupted service for patients and essential medical operations.

Key Results & Benefits

What We Delivered

We provided a complete solar solution tailored to the hospital’s needs, ensuring performance, safety, and long-term energy savings without disrupting daily operations.

Custom Energy Assessment

We analyzed usage patterns and infrastructure to design a system that meets specific energy needs.

Seamless Installation Without Disruption

Our team installed efficiently with zero interruption to hospital operations and strict safety procedures.

Tailored Solar System Design

We created a solar layout that maximizes efficiency while matching the hospital’s structure and goals.

Reliable Backup and Monitoring System

We integrated smart monitoring and backup support to ensure continuous power for critical medical equipment.

Our Impact

This project is more than just an energy upgrade, it is a commitment to health, sustainability, and community leadership. The SunCare Hospital solar installation reflects how renewable energy can enhance essential services without compromise.

Client Testimonial

"Working with Solarize was a smooth experience. Their team truly understood our hospital’s needs and delivered a solution that saves energy, ensures reliability, and supports our long-term sustainability goals."

Dr. Lisa
Director of Operations, SunCare Hospital
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