Low Power Consumption EC Fan for Sustainable Cooling Systems
SZR energy-efficient EC fans are designed to reduce electrical consumption while maintaining reliable thermal performance in modern industrial and commercial equipment. By integrating high-efficiency electronically commutated motors with optimized aerodynamic structures, the fan series achieves improved airflow-to-power ratio and reduced operational costs. The products are suitable for energy-saving ventilation systems, communication equipment and smart electrical infrastructure.

Energy-Saving Structure
The EC motor architecture reduces electrical loss through intelligent electronic commutation technology, improving overall motor efficiency compared with conventional AC designs.
Lightweight fan blades are engineered to decrease rotational resistance while maintaining stable airflow output.
Integrated control electronics support adaptive speed operation based on thermal demand, helping minimize unnecessary power consumption.
The fan assembly adopts high-precision bearings to reduce friction and extend service durability.
Technical Specifications
|
Parameter |
EC Energy 8038 |
EC Energy 17251 |
|
Dimension |
80×80×38 mm |
172×150×51 mm |
|
Voltage |
24V / 48V EC |
230V EC |
|
Power Rating |
4-9 W |
18-45 W |
|
Speed Range |
1800-3600 RPM |
1500-3000 RPM |
|
Airflow Performance |
28-65 CFM |
220-480 CFM |
|
Efficiency Control |
PWM Intelligent Control |
PWM Intelligent Control |
|
Noise Level |
24-38 dB(A) |
42-58 dB(A) |
|
Bearing Type |
Ball Bearing |
Ball Bearing |
|
Protection Grade |
IP54 |
IP54 / IP65 |
|
Motor Protection |
Reverse Polarity / Locked Rotor Protection |
Thermal Protection |
|
Compliance |
CE, RoHS, ISO9001, ERP |
CE, RoHS, ISO9001, ERP |
Efficiency Advantages

• Reduced operating power consumption
• Improved airflow efficiency ratio
• Intelligent thermal-response speed adjustment
• Lower maintenance requirements
• Extended operational lifespan
Application Industries
• Smart energy systems
• Industrial control cabinets
• Telecom base stations
• Building automation equipment
• Charging infrastructure
• Energy-saving HVAC systems
• Renewable energy electronics
Customer FAQ
Q: How much energy can EC fans save compared with AC fans?
A: EC fans generally provide significantly improved motor efficiency and lower long-term power consumption.
Q: Can the fan speed be automatically adjusted?
A: Yes. Intelligent PWM control supports temperature-responsive speed regulation.
Q: Are these fans suitable for green-energy projects?
A: The low-energy EC motor structure is widely used in energy-efficient system designs.
Q: Is long service life supported?
A: High-quality bearings and efficient motor control contribute to extended operating durability.

OEM & Technical Cooperation
SZR supports customized EC fan development for energy-saving projects, including airflow calculation, intelligent control programming and system-level thermal management optimization.
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