SEG75035AC/DC charging module: 750Vdc-600Vdc, constant power 20kW/ 750VDC 33A

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SEG75035AC/DC charging module: 750Vdc-600Vdc, constant power 20kW/ 750VDC 33A

Wide DC output voltage range: 50Vdc-750Vdc, meeting the rapid charging needs of various electric vehicles and battery packs.
Ultra-low standby power consumption: Less than 10W.
Unique three-proofing design: Unique protective and process designs against salt spray, moisture, and mildew, enabling the module to adapt to various charging station application scenarios.
Built-in intelligent discharge circuit: Automatically discharges residual charge, simplifying system design and improving system reliability.
High efficiency across the full load range: Operates with high efficiency across the full load range. This is more energy-efficient compared to industry products whose peak efficiency occurs in the low-load region and which operate inefficiently when fully charged.
Wide temperature range: -40°C to +75°C, with derating output above +55°C, suitable for applications in various scenarios.

The SEG75035 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.

Unique Functions:

Wide DC output voltage range: 50Vdc-750Vdc, meeting the rapid charging needs of various electric vehicles and battery packs.
Ultra-low standby power consumption: Less than 10W.
Unique three-proofing design: Unique protective and process designs against salt spray, moisture, and mildew, enabling the module to adapt to various charging station application scenarios.
Built-in intelligent discharge circuit: Automatically discharges residual charge, simplifying system design and improving system reliability.
High efficiency across the full load range: Operates with high efficiency across the full load range. This is more energy-efficient compared to industry products whose peak efficiency occurs in the low-load region and which operate inefficiently when fully charged.
Wide temperature range: -40°C to +75°C, with derating output above +55°C, suitable for applications in various scenarios.

Main Features:

Energy conservation and environmental protection: High-efficiency operation across the full load range and ultra-low standby power consumption, with an efficiency of up to 95%, effectively reducing energy loss and achieving energy conservation and environmental protection.
Wide input voltage range: AC 260Vac~530Vac, adapting to various power grid environments.
Three-phase offline AC input: Simplifies system design, eliminates the risk of excessive neutral line current, and reduces system costs.
Full digital control: Dual DSP design realizes full digital control of the charging module, ensuring high control reliability.
Non-destructive hot-swapping: The module has a true non-destructive hot-swapping function, allowing plug-and-play.
Universal module form factor design: The form factors of modules in the same series are unified, facilitating rapid upgrades of charging piles and saving R&D costs and development cycles.
Battery anti-backflow: Effectively protects the battery while ensuring safe and reliable system operation.
High power density: 43.67W/in³, saving space inside the charging pile and reducing the footprint of the charging pile.
Excellent electromagnetic compatibility performance: Meets the electromagnetic compatibility (EMC) CLASS A requirements in EN61000-6-1 and EN61000-6-3 standards, with minimal electromagnetic radiation and interference.
Reliability certification: Certified by CEPRI and the State Grid Electric Power Research Institute.

Application Scenarios:

DC charging stations for low-speed electric vehicles, passenger electric vehicles, electric midibuses, electric buses, and electric engineering vehicles.

Technical Parameters

Working Environment Conditions

Operating temperature: -40°C ~ +75°C, derate above +55°C
Storage temperature: -40°C ~ +80°C
Relative humidity: ≤95% RH, no condensation
Cooling method: Forced air cooling
Altitude: 2000m; derating 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: 20kW
Voltage range: 50Vdc-750Vdc, voltage adjustment step: 0.1Vdc
Constant power output voltage range: 600Vdc-750Vdc
Output current: 0-33.3A
Output current limiting: Continuously adjustable from 0.2-33.3A
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

Alarms and Protections

Input over/under-voltage protection: Automatic shutdown protection; resumes operation automatically when input is normal
Output over-voltage protection: Automatically shuts down and locks; requires power-on again to resume operation
Over-current and short-circuit protection: Automatically shuts down and locks; requires power-on again to resume operation
Over-temperature protection: Automatic shutdown protection; resumes operation automatically when temperature is normal

Product Reliability and Safety Regulations

Mean Time Between Failures (MTBF): >500,000 hours
Safety standards: Meets CE requirements

Dimensions and Weight

Dimensions: 85mm (height) × 226mm (width) × 395mm (depth) (excluding handles and protruding parts of terminals)
Weight: ≤11kg

Ordering Information

Module model: REG75035 charging module
Supporting cables: REG20KW11-18, REG20KW22-18

*The product is constantly being innovated. If there are any changes in specifications, no prior notice will be given.

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.

Significantly reduce electricity costs for hospital operations
Ensure uninterrupted power supply for critical medical equipment
Support the hospital’s sustainability goals and reduce carbon footprint
Inspire environmental awareness within the healthcare sector

Key Results & Benefits

35% reduction in monthly electricity bills
Estimated 210 tons of CO₂ emissions avoided annually
Return on investment projected within 4.8 years
Improved energy resilience for essential hospital services
Strengthened public image as a green healthcare leader

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.

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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