Reliable Thermal Management for Continuous Cooling Equipment
SZR 120mm DC centrifugal fans are designed for equipment requiring balanced airflow volume and static pressure under continuous-duty conditions. The blower system delivers efficient air circulation for enclosed electronic assemblies and industrial ventilation applications.
Product Construction
The external housing utilizes precision-machined aluminum alloy with corrosion-resistant coating treatment to improve structural integrity. Fan blades are molded from heat-resistant engineering plastic material with flame-retardant characteristics.
The centrifugal impeller design guides airflow through optimized curved channels, reducing pressure loss while maintaining smooth ventilation efficiency. Dynamic balancing technology helps decrease operational vibration and improves acoustic performance.
Technical Specifications
|
Parameter |
Specification |
|
Fan Dimension |
120×120×32 mm |
|
Operating Voltage |
12V / 24V / 48V DC |
|
Rotational Speed |
2000-3400 RPM |
|
Air Delivery |
52-95 CFM |
|
Static Pressure |
2.0-4.2 inch-H2O |
|
Acoustic Noise |
35-48 dB(A) |
|
Bearing System |
Ball Bearing |
|
Motor Type |
Brushless DC Motor |
|
Protection Function |
Reverse Polarity Protection |
|
Temperature Range |
-20°C to +75°C |
|
Housing Material |
Aluminum |
|
Blade Material |
UL94V-0 PBT |
|
Protection Grade |
IP55 |
|
Certifications |
CE, RoHS, ISO9001:2015 |
Operational Advantages
• High-efficiency centrifugal air movement
• Suitable for medium-pressure ventilation systems
• Continuous-duty motor reliability
• Low vibration and improved airflow stability
• Flexible mounting orientation
• Optional FG signal and PWM control functions
Main Applications
• Telecom power equipment
• Air purification devices
• Inverter cooling systems
• Medical ventilation equipment
• UPS systems
• Automation control enclosures
• Thermal circulation systems
Customer Inquiries
Q: Can this model operate at 48V DC?
A: Yes. Selected configurations support 48V DC input.
Q: What bearing type is recommended for long operation?
A: Ball bearing versions are recommended for continuous-duty applications.
Q: Is speed monitoring available?
A: Optional FG signal output can support speed detection functions.
Q: Are customized connectors supported?
A: SZR provides customized terminals, connectors and cable assemblies.
Production Capability
SZR supports OEM and industrial cooling projects with customized electrical parameters, airflow optimization and rapid prototype development for long-term cooperation requirements.
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