| Brand： | ebm-papst |
| Part No： | 624HH |
| Fan Type： | Compact Fan |
| Rated Voltage(V)： | 24 |
| Size(mm)： | 60*60*25 |
| Max.Air Flow(m³/h)： | 56 |
| Max.Pressure(Pa)： | 125 |
| Input Power(W)： | 4 |
| Speed(RPM)： | 8200 |
| Noise(dB)： | 43 |
| Weight: | 0.085 kg |
| Impeller Material: | Glass-fiber reinforced PA plastic |
| Housing Material: | Glass-fiber reinforced PBT plastic |
| Airflow Direction: | Exhaust over struts |
| Direction Of Rotation: | Clockwise, viewed toward rotor |
| Storage: | Ball bearing |
| Service Life L10 At 40 °C: | 65000 h |
| Service Life L10 At Maximum Temperature: | 32500 h |
| Cable Leads: | AWG 22, TR 64, stripped and tin-plated |
| Motor Protection: | Protection against reverse polarity and blocked rotor |
| Locked-Rotor Protection: | With electronic locked-rotor and overload protection |
| Approval: | VDE, CSA, UL, CE |
| Option: | Possible custom designs: Speed signal; Go / No-go alarm; Alarm with speed limit; External temperature sensor; Internal temperature sensor; PWM control input; Analog control input; Moisture protection |
（1） Rated voltage
The rated voltage of the 624HH small fan is 24V. The relatively low voltage makes it safer to use and suitable for environments with high voltage safety requirements. For example, in some electronic devices and small laboratory instruments, a voltage of 24V can effectively reduce the risk of electric shock and ensure the safety of operators. At the same time, low-voltage operation also helps reduce energy loss, improve energy utilization efficiency, and is in line with the current trend of energy conservation and emission reduction.
（2） Size specifications
The size of the fan is 606025 millimeters, and this compact design gives it extremely high flexibility and adaptability. It can be easily installed in devices with limited space, such as computer cases, small appliances, communication devices, etc. It will not occupy too much space due to its large size, which will affect the overall layout and performance of the equipment. Moreover, the compact size makes it easy to carry and move, and can be quickly put into use in some temporary situations that require ventilation.
（3） Maximum air volume
The maximum air volume can reach 56 cubic meters per hour. Despite its small size, it is not inferior in terms of air volume performance. For the local ventilation needs of some small spaces or equipment, this air volume is sufficient to meet them. For example, in a computer case, it can effectively remove the heat generated by heating elements such as the CPU and graphics card, and maintain the normal operating temperature of the device. In small cabinets, effective air circulation can also be achieved to prevent equipment from being damaged due to overheating.
（4） Maximum pressure
The maximum pressure is 125Pa. This means that the fan can overcome certain ventilation resistance and ensure smooth airflow in the ventilation path. In some ventilation systems, there may be situations such as narrow air ducts and filter blockages, which increase the resistance to air flow. The maximum pressure of 125Pa of the 624HH small fan can ensure ventilation effect in this situation, allowing air to smoothly reach the area that needs ventilation.
（5） Input power
The input power is only 4W. Such low power consumption makes it an energy-saving fan. During long-term use, it can save users a significant amount of electricity expenses. For some devices that require long-term continuous operation, such as surveillance cameras, small servers, etc., low-power fans can reduce overall energy consumption costs and improve the operational economy of the equipment.
（6） Rotational speed
The rotational speed is 8200rpm. A higher rotational speed is one of the key factors in achieving high air volume and a certain pressure. Through high-speed rotating blades, the fan can accelerate the flow of air, generating sufficient air volume and pressure. However, high speeds may also bring noise and vibration issues, but ebm-papst effectively solved these problems by optimizing the blade structure and motor technology when designing this fan.
（7） Noise level
The noise level is only 43dB. In a quiet environment, this noise level hardly interferes with people's normal life and work. Whether in offices, bedrooms, laboratories, or other places, using a 624HH small fan will not make people feel irritable. The low noise characteristic makes it highly advantageous in noise sensitive environments, providing users with a quiet and comfortable user experience.
（1） Efficient Aerodynamic Design
The 624HH small fan is designed using advanced aerodynamic principles. The shape and angle of the fan blades are precisely calculated and optimized, allowing air to form a smooth streamlined flow when passing through the blades. This design reduces the loss of airflow and the generation of turbulence, improving the ventilation efficiency of the fan. Compared with traditional small fans, it can generate larger air volume and pressure at the same input power, achieving a perfect combination of energy saving and efficiency.
（2） High quality materials and exquisite craftsmanship
All components of the fan are made of high-quality materials. The fan blades are made of high-strength and lightweight engineering plastics, which have good toughness and wear resistance. This material can withstand the centrifugal force generated during high-speed rotation, ensuring the long-term stable operation of the fan blades. The motor adopts high-quality copper windings and high-performance permanent magnets, which have the characteristics of high efficiency and stability. The bearings of the motor adopt high-precision ball bearings, reducing frictional resistance and improving the efficiency and service life of the motor. The casing of the fan is made of sturdy and durable plastic material, manufactured through precise injection molding technology, with good sealing and protective performance. The exquisite manufacturing process ensures the precision of the fit between various components, reduces vibration and noise caused by excessive clearance between components, and improves the overall performance and reliability of the fan.
（3） Long lifespan and reliability
The 624HH small fan has undergone strict quality inspection and reliability testing. The design and manufacturing of key components such as motors and blades fully consider the long-term operational needs. The heat dissipation design of the motor is good, which can timely dissipate the heat generated during operation and avoid damage due to overheating. The material and structural design of the fan blades enable them to have high fatigue resistance and maintain stable performance under long-term high-speed rotation. Under normal usage conditions, the fan has a long service life and can provide users with long-term reliable ventilation services, reducing equipment maintenance costs and downtime.
（4） Easy to install and maintain
The structural design of this fan is simple, easy to install and maintain. It is usually equipped with standard installation holes and interfaces, and users can choose the appropriate installation method according to their actual needs. Whether it is fixed with screws, installed with buckles, or glued together, the installation can be easily completed. In terms of maintenance, due to the modular design of various components of the fan, it is very easy to replace damaged parts. At the same time, key components such as the motor and blades of the fan have good maintainability, and users can clean and maintain them themselves, reducing maintenance costs and difficulties.
In summary, the 624HH small fan has strong competitiveness in the small fan market due to its excellent parameter combination and unique characteristics. It provides users with an efficient, energy-saving, reliable, and quiet ventilation solution that can meet the needs of different fields and scenarios.
In today's constantly developing electronic devices, heat dissipation has become one of the key factors affecting device performance and lifespan. The ebm-papst 624HH small fan, with its excellent performance and features, has become a powerful assistant for electronic device cooling, providing efficient cooling solutions for various electronic devices.
Feb 13.2025In the era of booming development of smart homes, a good ventilation environment is crucial for improving the comfort, health, and intelligence level of homes. ebm-papst's 624HH small fan has become a new favorite in the field of smart home ventilation due to its unique performance and characteristics, bringing a new ventilation solution to smart home systems.
Feb 13.2025Ventilation and heat dissipation are crucial for ensuring the performance and stability of medical equipment during operation. A good ventilation environment can lower the temperature of equipment, reduce the probability of malfunctions, extend the service life of equipment, and also help ensure the detection and treatment effectiveness of medical equipment. The ebm-papst 624HH small fan
Feb 13.2025In the development process of the small fan industry, technological innovation has always been the core driving force for product upgrades and industry progress. ebm-papst's 624HH small fan has achieved significant breakthroughs in performance, efficiency, reliability, and other aspects through a series of cutting-edge technological innovations, leading the small fan industry towards a new stage of development.
Feb 13.2025
