This is a DC centrifugal fan, model 133x91mm, manufactured by Guangzhou Mega Technology Co., Ltd. It is primarily used in equipment requiring forced ventilation,
Parameter Value
- Product Type: DC Centrifugal fan
- Size: 133x91mm
- Bearing Type: Double ball bearing, sleeve, hydraulic, other
- Frame Material: Aluminum (UL94V-0)
- Blade Material: PBT plastic (UL94V-0)
- Weight: 800g
- Rated Voltage: 24V,48V
- Operating Voltage Range: 18-26.5V (24V) , 36-54V (48V)
- Rated Current:52A to 6.2 A
- Rated Input Power: 30-148.8W
- Speed: 3200-6200RPM
- Air Flow:218.8-421.0CFM
- Maximum Air Pressure:40.0-77.5mmH2O
- Noise Level: 65-123dB-A
Model |
Rated Voltage |
Operationg Voltage Range |
Rated Current |
Rated Input Power |
Speed |
Maximum Air Flow |
Maximum Air Pressure |
Noise |
PART.NO. |
VDC |
VDC |
Amp |
Watt |
R.P.M |
CFM |
mmH2O |
dB-A |
MG133L24B |
24 |
18~26.5 |
1.25 |
30 |
3300 |
218.8 |
40.0 |
65.0 |
MG133M24B |
24 |
18~26.5 |
2.6 |
62.4 |
4600 |
225.7 |
41.3 |
67.0 |
MG133H24B |
24 |
18~26.5 |
6.2 |
148.8 |
6200 |
300.9 |
55.0 |
89.4 |
MG133L48B |
48 |
36~54 |
0.52 |
24.95 |
3200 |
314.6 |
57.5 |
93.5 |
MG133M48B |
48 |
36~54 |
1.1 |
52.8 |
4400 |
389.8 |
71.3 |
116.0 |
MG133H48B |
48 |
36~54 |
2.5 |
120 |
5700 |
421.0 |
77.5 |
123.0 |

Key Features
- Compact Size: With dimensions of 133x91mm, it’s perfectly suited for installation in space-constrained equipment like charging stations and servers.
- Superior Materials:
- Frame: Constructed of aluminum alloy, offering excellent thermal conductivity and corrosion resistance.
- Impeller: Made of plastic, lightweight, easy to mold, and meeting the UL94V-0 flame retardant standard.
- Diverse Bearings: Supports a variety of bearing types including double ball, oil-impregnated, and hydraulic, allowing for selection based on specific application needs.
- Comprehensive Performance Curves: Provides airflow and pressure curves at different speeds, enabling users to choose the optimal speed for their requirements.
- Comprehensive Certifications: The product has obtained CUL, CE, and ROHS certifications, adhering to international safety standards.
Advantages
- Wide Range of Applications: Its compact size and stable performance make it suitable for a variety of equipment requiring forced ventilation, such as charging stations and servers.
- Low Noise Level: Based on the provided noise data, the fan operates at a relatively low noise level, making it suitable for noise-sensitive environments.
- Adjustable Performance: Airflow and pressure can be flexibly controlled by adjusting the speed to meet different cooling needs.
- Safe Materials: The use of flame-retardant materials enhances product safety.
- Clear Coding Rules: The product model encoding rules are clear, facilitating user selection of appropriate models based on their needs.
Main application scenarios:
1. Consumer Electronics
- Smartphones and Tablets: Used for heat dissipation, especially for high-performance processors and heat-generating components like 5G modules.
- Wearable Devices: Such as smartwatches and smart glasses, for cooling internal components.
- Portable Electronic Devices: Like power banks and Bluetooth speakers, for cooling internal batteries.
2. Communication Equipment
- Base Station Equipment: Used for heat dissipation to ensure stable operation of the equipment.
- Routers and Switches: Used for heat dissipation to improve equipment stability and lifespan.
3. Industrial Equipment
- Small Control Cabinets: Used for cooling electronic components inside control cabinets.
- Sensor Equipment: Used for cooling internal components of sensors.
- Small Motors: Used for motor cooling to improve motor efficiency and lifespan.
4. Automotive Electronics
- Onboard Chargers: Used for heat dissipation to ensure charging safety.
- In-Vehicle Electronics: Such as car navigation systems and driving recorders, for cooling internal components.
5. Medical Equipment
- Small Medical Instruments: Used for cooling electronic components inside instruments.