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40KW Smart Charger for EVs, DC Input 300-950V, Output 150-1000V - China Suppliers & Factory
Main Features
Energy-efficient and eco-friendly
High-efficiency operation across the entire load range and ultra-low standby power consumption, with efficiency exceeding 95.5%.
Ultra-wide input voltage range
Operates normally from 300 Vdc to 950 Vdc, adapting to a wide variety of input environments.
Ultra-wide output voltage range
50 Vdc to 1000 Vdc, meeting the fast-charging needs of various electric vehicles and battery packs.
Wide constant-power output range
Constant-power output from 300 Vdc to 1000 Vdc, meeting the fast-charging needs of various electric vehicles.
No current reduction at low voltage
Can maintain a maximum output of 133.3A at voltages below 300Vdc, meeting the fast-charging needs of more devices.
High power density
Greater than 65W/in³, saving space inside the charging station and reducing the footprint of the charging station.
Emergency stop function
Rapidly responds to system emergency shutdown actions, ensuring safety and reliability.
Noise Mode Settings
Three adjustable noise modes to meet noise control requirements in different environments.
Fan Speed Reporting
Allows users to adjust the charging station’s fan speed based on the module’s fan speed, further optimizing noise levels.
Intelligent Airflow Detection
Monitors airflow smoothness; automatically limits power and triggers an alarm when airflow is obstructed.
High Environmental Reliability
Key circuits are potted with resin, significantly enhancing resistance to salt fog, humidity, and mold.
Built-in Discharge Circuit
Automatically discharges residual charge, simplifying system design and improving system safety.
Battery Reverse Charge Protection
Effectively protects the battery while ensuring reliable and safe system operation.
Technical Specifications
| Category | Name | Parameter |
|---|---|---|
| Environmental conditions | Operation temperature | -40°C ~ +75°C, derating is require when the temperature is above 55°C. |
| Storage temperature | -40°C ~ +70°C | |
| Relative humidity | ≤95%RH, without condensation | |
| Cooling mode | Forced air cooling | |
| Altitude | 2,000 m a.s.l., derating is require when the altitude is above 2,000 m a.s.l. | |
| Atmospheric pressure | 79 kPa ~ 106 kPa | |
| DC input | Input system | DC+/DC- + PE |
| Rated voltage | 300-950Vdc | |
| Max Voltage | 1000Vdc | |
| Rated Voltage | 800Vdc | |
| Max Current | 66.6a | |
| Standby Power Consumption | <20 W at rated 800Vdc input | |
| DC output | Voltage range | 150~1000V |
| Current range | 0~133A (Rate-limiting points can be set) | |
| Rated current | 40A (required for setting of current limiting point) | |
| Steady voltage precision | <±0.5% (150-1000V, 0~20MHz) | |
| Steady current precision | ≤±1% (rated range of 20% ~ 100% for output load) | |
| Load regulation rate | ≤±0.5% | |
| Startup overshoot | ≤±3% | |
| Peak-to-peak value noise | ≤1% (150~1000V, 0~20MHz) | |
| Efficiency | Under Rated input voltage | ≥95%, @1000V, full load |
Frequently Asked Questions (FAQ)
What is the efficiency rating of this charging module?
The module is highly energy-efficient, with overall operation efficiency exceeding 95.5% across the entire load range, and reaches ≥95% at 1000V under full load.
What are the input and output voltage ranges?
The module features an ultra-wide input voltage range of 300 Vdc to 950 Vdc (with a maximum voltage of 1000 Vdc) and an ultra-wide output voltage range of 50 Vdc to 1000 Vdc to suit various EV battery configurations.
How does the module perform at low voltages?
Unlike standard modules, it features no current reduction at low voltage. It maintains a maximum output of 133.3A even at voltages below 300Vdc, ensuring fast-charging capability for more devices.
What are the environmental limits for operation?
It operates normally between -40°C and +75°C (with derating required above 55°C) and at altitudes up to 2,000 meters above sea level (derating required above 2,000m).
What safety protections are integrated into the system?
The module includes an emergency stop function, battery reverse charge protection, an automatic built-in discharge circuit for residual charge, and intelligent airflow detection that triggers alarms and limits power if the flow is obstructed.
Can the noise levels of the module be adjusted?
Yes, it features three adjustable noise modes to comply with different site requirements, and supports fan speed reporting so users can optimize the station's cooling fan settings.



