40kW Liquid Cooling DCDC Charging Module With Process Maintenance Free
Introduction about 40kW DCDC Charging Module
Advantages about 40kW Power Module
- Liquid Cooling Design, Near 0dB Low Noise Operation
- SiC Power Devices, Peak Efficiency ≥97%
- IP65 High Protection Grade
- 10+ Years Service Life, Maintenance-Free

Parametric Performance about the 40kW EV Charging Module
| Model No. | TH40DS10030C8L-WT | |
| DC Input | Input voltage range (line voltage) | Rated voltage 600VDC, operating voltage range 250-900VDC |
| Max current | 100A | |
| DC Output | Rated Output Power | 40kW |
| Output Voltage Range | 50-1000VDC | |
| Output Current Range | 0.5-134A | |
| Output Constant Power Range | 300-1000VDC | |
| Peak Efficiency | ≥97% | |
| Soft Start Time | ≤5S | |
| Short Circuit Protection | Self-rollback protection | |
| Voltage Regulation Accuracy | ≤±0.5% | |
| Current Regulation Accuracy | ≤±1% | |
| Current Sharing Imbalance | ≤±5% | |
| Product Features | Cooling Method | Liquid cooling |
| Standby Power Consumption | ≤10W | |
| Address Setting | CAN | |
| Dimension | 460mm x 300mm x 120mm (Dx W x H) | |
| Weight | ≤28kg | |
| MTBF | 500000 hours | |
Performance Curve of 40kW DCDC Charging Module
According to the input limit power curve, the module can deliver 40kW output power across approximately 400–800VDC input, while maintaining controlled power output at lower and higher input voltages. This wide operating range enables the module to adapt to different DC charging system architectures and varying power supply conditions.
The output characteristic curve demonstrates the module's ability to support a wide 50–1000VDC output voltage range and high output current up to approximately 134A. Its constant-power operating range of 300–1000VDC allows the 40kW DCDC Charging Module to efficiently match different EV battery voltage platforms and charging requirements.

Using advanced SiC power components and liquid cooling technology, the module achieves peak efficiency above 97%, while its IP65-rated protection design enhances reliability in demanding operating environments. With a service life of more than 10 years, the module is suitable for DC fast charging stations, charging hubs, fleet charging, bus charging and other high-power EV charging applications.
Overall, the 40kW DCDC Charging Module combines wide voltage compatibility, stable constant-power output, high efficiency and reliable thermal management, making it a suitable power conversion solution for next-generation EV charging infrastructure.
Applications of 40kW Liquid-cooling EV Charging Module
The 40kW DCDC Charging Module is designed for a wide range of modern EV charging applications, serving as a core power unit for DC Fast Charging Systems, Split-Type DC Charging Systems, and High-Power DC Charging Cabinets. Its modular design makes it suitable for Modular EV Charging Systems, allowing charging equipment manufacturers to configure power capacity according to different system requirements.
With wide voltage compatibility, the module can also support Wide-Voltage DC Charging Systems designed for different EV battery platforms. As a 40kW liquid cooling charging module, it is particularly suitable for Liquid-Cooled DC Charging Equipment, providing a reliable power solution for high-power and high-density charging applications. As a DCDC charging power module, it offers charging equipment manufacturers and system integrators a flexible solution for developing scalable DC charging products.

Certified EV Charging Power Module for Global Markets
Tonhe Technology's EV Charging Power Modules are designed to meet international safety and performance standards, providing reliable solutions for global DC fast charging infrastructure. Certified with CE certification and compliant with IEC 61851-23:2023 standards, these high-efficiency charging modules ensure safe operation, excellent electromagnetic compatibility, and long-term reliability in various application environments.

Reliable Global Shipping & Delivery Support for EV Charging Power Modules
Each EV charging module shipment is carefully inspected, protected with industrial-grade packaging, and prepared according to international transportation requirements. From production scheduling and quality inspection to container loading and final delivery, Tonhe’s complete supply chain management system ensures product safety throughout the entire logistics process.

Advanced Manufacturing Strength of Tonhe Technology
As a professional EV charging module manufacturer, Tonhe integrates automated production lines, strict quality management, and advanced manufacturing technologies to ensure high product consistency, stable performance, and efficient delivery. The company operates complete in-house manufacturing processes, including automatic soldering, wave soldering, final assembly, packaging, special-shaped component insertion, and gel-filling production, covering key stages from component processing to finished product delivery.
With highly automated production equipment and intelligent manufacturing management, Tonhe improves production efficiency while maintaining strict control over every manufacturing process. Advanced automation technologies help achieve precise assembly, consistent product quality, and reliable large-scale production capacity to meet the growing demands of global EV charging infrastructure.
Tonhe Technology follows internationally recognized quality management standards, including IATF16949, ISO 9001, ISO 14001, and ISO 45001 certifications. Through comprehensive quality control and reliability testing systems, Tonhe ensures that every charging module delivers excellent durability, safety, and long-term operational reliability.
By combining advanced manufacturing capabilities, automated production lines, professional engineering expertise, and strict quality assurance, Tonhe Technology continues to provide dependable EV charging solutions and become a trusted manufacturing partner for customers worldwide.
