Automotive Thermal Management Systems Manufacturer

Automotive Low Voltage Electric Fan
  • Automotive Low Voltage Electric Fan
  • Automotive Low Voltage Electric Fan
  • Automotive Low Voltage Electric Fan

Automotive Low Voltage Electric Fan

Brushless electric fans for auxiliary cooling in new-energy commercial vehicles and traditional internal combustion engine (ICE) vehicles

Saiensi specializes in the R&D and manufacturing of automotive low voltage electric fans. With a CNAS-certified laboratory, an 80% in-house production rate, and rigorous control over materials, cost, delivery, and quality, the company produces electronic cooling fans engineered for both new energy commercial vehicles and conventional fuel vehicles. These fans, typically operating at 12V or 24V, are motor-driven and electronically controlled to adjust rotational speed, providing reliable cooling support for engines and air-conditioning systems.

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Applications
  • Conventional vehicles: Installed at the front of the engine compartment, working with the radiator or coolant tank to assist engine cooling.
  • Battery pack cooling: Mounted within the battery system, integrating waterproof fans and liquid cooling for efficient heat dissipation.
  • Drive motor cooling: Positioned near the motor housing or coolant channels to maintain stable motor temperatures.
  • Power electronics cooling: Supports air or liquid cooling combinations to protect critical electronic components.
Applications
Applications
Applications
Technical Specifications
Model SES-506 SES-504 SES-320 SES-343
Test Voltage 27V 27V 14V 27V
Voltage Range 18V-32V 18V-32V 9V-16V 18V-32V
Load Current 18A±5% 30A±5% 23A±5% 10A±5%
Speed 1000-4100rpm±5% 1200-4750rpm±5% 800-3500rpm±5% 800-3400rpm±5%
Max Airflow OPA 3600m³/h±5% OPA 4300m³/h±5% OPA 3000m³/h±5% OPA 2800m³/h±5%
Power 500W±5% 800W±5% 300W±5% 300W±5%
Control Method PWM (50-500HZ) PWM (50-500HZ) PWM (50-500HZ) PWM (50-500HZ)
Static Current 50uA 50uA 50uA 50uA
IP Rating IP67 IP67 IP67 IP67
Airflow Curve
Airflow Curve

Axial Fan Airflow Performance Curve Report No.: SES-100066

  • Speed: 4100 rpm
  • Air Density: 1.2 kg/m3
Main Components
Fan blade Fan blade
Fan frame Fan frame
Motor Motor
Key Features
  • Enhanced efficiency: DC brushless fans achieve over 85% average efficiency, significantly higher than traditional AC fans (70%), reducing energy consumption and improving cooling performance.
  • Environmental compatibility: Meets strict emission and ESG standards through intelligent speed regulation that minimizes energy waste.
  • Smart temperature control: Integrated PWM or ECU controller adjusts fan speed in real time based on temperature feedback, preventing overheating and energy loss.
  • Low noise design: Optimized blade geometry and aerodynamic design reduce tonal noise by up to 30%.
  • Durability: Built with Japanese NSK bearings and ADC12 die-cast aluminum, ensuring 20,000–50,000 hours of service life and stable performance under –40°C to +130°C.
Products
Manufacturing Base
Rubber Sealing & Vibration Isolation Products
Rubber Sealing & Vibration Isolation Products
Gas Springs
Gas Springs
Fuel Pumps (Engine Components)
Fuel Pumps (Engine Components)

The DC brushless fan achieves over 85% efficiency, outperforming conventional AC fans. It uses high-quality NSK bearings and ADC12 aluminum materials for extended service life (20,000–50,000 hours) and high-temperature endurance (–40°C to 130°C).