| Brand: | ebmpapst |
| Part No: | S4E300-AR26-87 |
| Fan Type: | Axial Fan |
| Rated Voltage(V): | 230 |
| Size(mm): | 300 |
| Max.Air Flow(m³/h): | 1935 |
| Max.Pressure(Pa): | 60 |
| Input Power(W): | 95 |
| Speed(rpm): | 1570 |
| Noise(db): | 52 |
| Mass: | 3.1 kg |
| Surface of rotor: | Coated in black |
| Material of terminal box: | ABS plastic, black |
| Material of blades: | Sheet steel, coated in black |
| Material of guard grille: | Steel, phosphated and coated in black plastic |
| Number of blades: | 5 |
| Direction of air flow: | "V" |
| Direction of rotation: | Counter-clockwise, seen on rotor |
| Type of protection: | IP44; Depending on installation and position as per EN 60034-5 |
| Insulation class: | "B" |
| Humidity class: | F1-2 |
| Max. permissible ambient motor temp. (transp./storage): | +80 °C |
| Min. permissible ambient motor temp. (transp./storage): | -40 °C |
| Mounting position: | Shaft horizontal or rotor on bottom; rotor on top on request |
| Condensate discharge holes: | Rotor-side |
| Operation mode: | S1 |
| Motor bearing: | Ball bearing with anti-freezing grease |
| Touch current acc. IEC 60990 (measuring network Fig. 4, TN system): | < 0.75 mA |
| Electrical leads: | Via terminal box, integrated capacitor connected via terminal box |
| Motor protection: | Thermal overload protector (TOP) wired internally |
| Cable exit: | Variable |
| Protection class: | I (if protective earth is connected by customer) |
| Conformity to standards: | EN 60335-1; CE |
| Approval: | CCC |



ebm-papst is a renowned brand in the field of wind turbine manufacturing, known for its high-quality, high-performance, and reliable products. As the axial fan under the brand, S4E300-AR26-87 inherits the brand's excellent tradition and provides users with efficient ventilation solutions.
From the basic information, it belongs to the axial flow fan type, which means that it mainly achieves ventilation and air exchange by rotating the blades to make the air flow along the axial direction. This type of fan is widely used in many scenarios.
Rated voltage: The rated voltage of this fan is 230V, which is a common standard voltage for industrial and commercial use. Using this voltage, the fan can operate stably and can be easily connected to most conventional power supply systems without the need for additional voltage conversion equipment, providing great convenience for users. This also eliminates the need for special modifications to the power supply when used in different locations, reducing the cost of use and installation difficulty.
Size specifications: The fan has a size of 300 millimeters, which makes it suitable for both versatility and installation flexibility. It can be installed inside some devices with limited space, such as small cabinets, distribution boxes, etc., to provide heat dissipation and ventilation; It can also be applied to larger ventilation systems as part of the ventilation network, working in conjunction with other devices. On some industrial production lines, multiple fans of this size can be arranged reasonably to achieve efficient ventilation and air exchange.
Maximum air volume: Its maximum air volume can reach 1935m³/h, which is a very considerable value. It can transport a large amount of air per unit time, quickly achieving air exchange and renewal. For example, in a medium-sized warehouse with an area of 80 square meters and a height of 3 meters, this fan can completely replace the indoor air in about 8 minutes. This is a crucial performance indicator for places that require rapid ventilation, odor removal, or temperature reduction.
Maximum pressure: The maximum pressure is 60Pa, indicating that it has a certain ability to overcome ventilation resistance. In practical applications, ventilation ducts may have certain lengths, bends, or be equipped with air filtration devices, which can increase the resistance to air flow. And this fan can ensure smooth air flow in the ventilation system with its maximum pressure of 60Pa, delivering fresh air to where it is needed and maintaining good ventilation effect. In some complex ventilation duct systems, its performance advantage is even more pronounced.
Input power: The input power is 95W. Although this value may be higher compared to some low-power fans, considering its maximum air volume of up to 1935m ³/h, its energy efficiency ratio is relatively high. That is to say, it can provide strong ventilation capacity with relatively reasonable energy consumption. During long-term operation, although it consumes relatively more electricity, its efficient ventilation effect can bring greater value to users, such as ensuring the normal operation of equipment and improving production efficiency in industrial production.
Speed: The speed remains stable at 1570rpm. A stable rotational speed is crucial for the performance of a fan, as it ensures a continuous and uniform output of air volume. If the speed is unstable, it may cause the air volume to fluctuate, affecting the ventilation effect. And the stable speed of this fan enables it to provide reliable protection for the ventilation environment during operation, whether it is in industrial workshops that require stable ventilation or commercial places with high air quality requirements, it can play an excellent role.
Noise level: The noise level is 52dB, and the noise generated during operation is at a relatively low level. This is very important for places that are sensitive to noise, such as hospitals, schools, libraries, etc. In these places, people need a quiet environment for work, study, or rest, and the low noise level of this fan will not interfere with people, providing good ventilation while maintaining a quiet environment.
Blade design: The blades of the fan are designed using advanced aerodynamic principles. The unique blade shape and angle can generate strong airflow thrust during rotation, while reducing energy loss during air flow. This design not only improves the ventilation efficiency of the fan, but also reduces the noise during operation. The blade material is made of high-strength and lightweight materials, which not only ensures the stability of the blade during high-speed rotation, but also reduces the load on the motor, further improving energy utilization efficiency. In the manufacturing process, high precision is required for the blades to ensure that each blade can achieve the best performance state.
Motor performance: The equipped motor has the characteristics of high efficiency and stability. The insulation performance of the motor is good, which can effectively prevent safety hazards such as leakage and ensure safety during long-term operation. At the same time, the heat dissipation design of the motor is reasonable, which can timely dissipate the heat generated during operation, avoid motor damage caused by overheating, and extend the service life of the motor. In addition, the start and stop of the motor are very smooth, without causing any impact on the power grid, and also reducing the loss of the fan's own components. The control system of the motor has been carefully calibrated to automatically adjust parameters according to the operating status of the fan, ensuring that the fan is always in the best operating state.
Shell structure: The shell is made of sturdy and durable materials, with good impact resistance and protective performance. It can effectively protect the internal motor and blades from external environmental influences such as dust, water vapor, collisions, etc. The design of the casing also considers the convenience of installation and maintenance. Through reasonable structural layout and interface design, the installation process of the fan is made more convenient and efficient, and internal components can be easily inspected and replaced during maintenance. The surface of the shell has undergone special treatment and has certain anti-corrosion properties, which can adapt to different working environments.
The S4E300-AR26-87 axial fan operates based on the principle of axial ventilation. When the motor is powered on, it drives the blades to rotate at high speed. The blades apply an axial force to the air during rotation, causing the air to flow along the axis direction of the fan. Air is drawn in from the inlet of the fan, accelerated and pressurized by the blades, and then discharged from the outlet to achieve the purpose of ventilation and air exchange. This working method is simple and direct, and can efficiently transport air from one area to another. In the ventilation system, it can be used in conjunction with other ventilation equipment to form a complete ventilation network, achieving more complex ventilation needs.
Industrial sector
Electronic device heat dissipation: In electronic device manufacturing workshops, various precision instruments and production line equipment generate a large amount of heat during operation. If the heat cannot be dissipated in a timely manner, it will affect the performance and lifespan of the equipment, and even lead to malfunctions. The S4E300-AR26-87 axial fan can be installed inside the chassis or in the heat dissipation channel of electronic devices to remove heat through forced convection. Its powerful air volume and stable performance can ensure that electronic devices operate in suitable temperature environments, improving production efficiency and product quality. For example, in a computer server room, multiple fans work together to provide continuous heat dissipation for the servers, ensuring their stable operation and reducing the risk of data loss and system failures.
Mechanical equipment ventilation: Various mechanical equipment in industrial production, such as machine tools, injection molding machines, air compressors, etc., generate a large amount of heat and exhaust gas during operation. This fan can be installed in the ventilation or cooling system of the device to dissipate heat and exhaust gases outdoors, while introducing fresh air to reduce device temperature and extend device lifespan. Moreover, its higher pressure can overcome the resistance in the ventilation duct, ensuring good ventilation effect. In some large mechanical equipment, multiple fans can be installed as needed to form an efficient ventilation network.
Ventilation in chemical workshops: Various harmful gases and odors are often produced in chemical workshops, posing a threat to the health and production safety of workers. The S4E300-AR26-87 axial fan can be installed on the walls or ceilings of the workshop to expel harmful gases outdoors through ventilation and keep the air fresh inside the workshop. Its powerful air volume can quickly update the air in the workshop and reduce the accumulation of harmful gases. Meanwhile, the casing of the fan is made of corrosion-resistant materials, which can adapt to the harsh environment of chemical workshops and ensure long-term stable operation.
Commercial premises
Ventilation in shopping malls and supermarkets: Shopping malls and supermarkets are densely populated places, and the air can easily become polluted. This fan can be installed in the ventilation duct system of shopping malls and used in conjunction with the air conditioning system. It can accelerate air circulation, deliver fresh air to every corner of the mall, eliminate indoor odors and moisture, and provide customers with a comfortable and healthy shopping environment. When there is a large flow of people during promotional activities, the efficient ventilation capacity of the fan can better meet the demand for air exchange.
Hotel room ventilation: Hotel rooms need to maintain good air quality to provide guests with a comfortable living experience. Fans can be installed in guest rooms' bathrooms, wardrobes, and other areas to promptly remove moisture and odors. Its quiet and low-noise operating characteristics will not affect guests' rest, while the stable ventilation effect can ensure fresh air in the guest room. In addition, this fan can also be used in some high-end hotel restaurants, conference rooms, and other places to improve ventilation conditions and enhance the quality of the venue.
Improvement of office environment in office buildings: Office workers in office buildings spend long periods of time in relatively enclosed spaces, and air quality has a significant impact on their work efficiency and health. The S4E300-AR26-87 axial fan can be installed in the ventilation system of office buildings to enhance air circulation, reduce indoor carbon dioxide concentration, and alleviate employee fatigue and discomfort. At the same time, it can also assist the air conditioning system in regulating indoor temperature and improving energy utilization efficiency.
Civil buildings
Toilet ventilation: The bathroom is the most likely place in the home to produce odors and moisture. Installing this fan can quickly remove the polluted air from the bathroom and keep the indoor environment dry and fresh. Its compact size is suitable for installation on the ceiling or wall of the bathroom, without taking up too much space. Moreover, the energy-saving feature of the fan ensures that long-term use will not increase too much electricity expenses.
Kitchen smoke exhaust: During the cooking process, the kitchen generates a large amount of oil fumes and hot air. If not discharged in a timely manner, it can affect indoor air quality and home environment. This fan can be used in conjunction with a range hood to enhance the smoke exhaust effect. It can quickly remove oil fumes from the outside, reduce the residue of oil fumes in the kitchen, and protect the health of family members. Meanwhile, its stable performance ensures that there will be no malfunctions during long-term use, providing reliable ventilation for the kitchen.
Basement dehumidification: Basements are usually damp and prone to the growth of mold and bacteria. The S4E300-AR26-87 axial fan can be installed at the ventilation opening in the basement to reduce indoor humidity and improve air quality through ventilation and air exchange. It can exhaust humid air and introduce dry fresh air, effectively preventing basement items from getting damp and moldy, and extending the service life of items.
The S4E300-AR26-87 axial fan has become a high-quality product in the ventilation equipment market due to its excellent technical parameters, unique design features, and wide range of application scenarios. It performs well in terms of energy saving, efficiency, stability, and low noise, and can meet the ventilation needs of different users in various environments. Whether it's industrial production, commercial operation, or home life, this fan can provide you with a reliable ventilation solution, creating a comfortable, healthy, and safe environment for you.
Hello everyone, today we will focus on the S4E300-AR26-87 axial fan from ebm-papst and delve into its outstanding features. This fan has unique advantages in the field of ventilation, providing efficient and reliable ventilation services for many places.
Feb 25.2025Hello everyone, today we will delve into the diverse application scenarios of ebm-papst's S4E300-AR26-87 axial fan in different fields. This fan, with its excellent performance, can play an important role in many scenarios and create a good environment for people.
Feb 25.2025Hello everyone, today we will discuss in detail the key points of operation and maintenance for the S4E300-AR26-87 axial fan. Proper operation and maintenance are crucial for ensuring the long-term stable operation of fans, extending their service life, and ensuring ventilation effectiveness.
Feb 25.2025Hello everyone, while using the S4E300-AR26-87 axial fan, it is inevitable to encounter some malfunctions. Timely and accurate handling of these faults is crucial for ensuring the normal operation of the fan and extending its service life
Feb 25.2025