| Brand: | ebm-papst |
| Part No: | R3G630-FB32-03 |
| Fan Type: | Centrifugal Fan |
| Rated Voltage(V): | 400 |
| Size(mm): | 630 |
| Max.Air Flow(m³/h): | N/A |
| Max.Pressure(Pa): | N/A |
| Input Power(W): | 3700 |
| Speed(rpm): | 1420 |
| Noise(db): | N/A |
| Weight: | 28.6 kg |
| Motor size: | 150 |
| Rotor surface: | Painted black |
| Electronics housing material: | Die-cast aluminum |
| Impeller material: | PP plastic |
| Number of blades: | 6 |
| Direction of rotation: | Clockwise, viewed toward rotor |
| Degree of protection: | IP55 |
| Insulation class: | "F" |
| Moisture/Environmental protection class: | H1 |
| Ambient temperature note: | Occasional start-up at temperatures between -40°C and -25°C is permitted. For continuous operation at ambient temperatures below -25°C (such as refrigeration applications), use must be made of a fan design with special low-temperature bearings. |
| Installation position: | Shaft horizontal or rotor on bottom; rotor on top on request |
| Condensation drainage holes: | On rotor side |
| Mode: | S1 |
| Motor bearing: | Ball bearing |
| Technical features: | - Operation and alarm display with LED - External 15-50 VDC input (parameterization) - Alarm relay - Integrated PI controller - Configurable inputs/outputs (I/O) - MODBUS V6.3 - Motor current limitation - RS-485 MODBUS-RTU - Soft start - Voltage output 3.3-24 VDC, Pmax = 800 mW - Control interface with SELV potential safely disconnected from the mains - Thermal overload protection for electronics/motor - Line undervoltage/phase failure detection |
| Touch current (IEC 60990): | ≤ 3.5 mA |
| Electrical hookup: | Terminal box |
| Protection class: | I (with customer connection of protective earth) |
| Conformity with standards: | EN 61800-5-1; UKCA; CE |
| Approval: | UL 1004-7 + 60730-1; EAC; CSA C22.2 No. 77 + CAN/CSA-E60730-1 |



In the field of wind turbines, ebmpapst's R3G630-FB32-03 centrifugal fan has attracted much attention for its unique performance and wide applicability. This fan plays an important role in both industrial production environments and commercial building facilities. This article will delve into its various parameters, characteristics, and application scenarios.
Brand and Part Number
As a product under the Yibiput brand, the brand itself represents the guarantee of quality and technology. The part number R3G630-FB32-03 is the unique identifier of this fan, which facilitates identification, selection, and after-sales service among numerous fan products.
Fan type - centrifugal fan
The working principle of a centrifugal fan is based on centrifugal force. When the fan impeller rotates, the gas is accelerated and thrown out under the action of the impeller, thus forming an airflow. This type of fan has many advantages, such as being able to generate high pressure under the same power input, effectively overcoming resistance in the system, and suitable for situations that require high-pressure air supply or exhaust.
Rated voltage -400V
The design with a rated voltage of 400V enables it to adapt to a wide range of power supply environments. This voltage level is quite common in many industrial and large commercial places. It ensures that the wind turbine can operate stably when connected to the power system, reducing the risk of faults caused by voltage mismatch, such as motor overheating and unstable speed.
Size - Blade diameter 630mm
The blade diameter of 630 millimeters is a key dimensional parameter. A larger blade diameter means that the fan can push more air with each rotation. This helps to improve the air output capacity of the fan, which has significant advantages in application scenarios that require a large amount of air circulation, such as large air conditioning systems, industrial ventilation and cooling systems, etc.
Input power -3700W
The input power of 3700W indicates that the fan has strong power support. A higher power input enables the fan to operate stably under complex working conditions, such as in scenarios where significant resistance needs to be overcome or where rapid air circulation and ventilation are required. Meanwhile, a reasonable power design also takes into account energy utilization efficiency and avoids unnecessary energy waste.
Speed -1420rpm
The 1420rpm speed design has been carefully optimized. This speed ensures that the fan can generate sufficient air volume while also helping to control the noise level during fan operation. The reasonable selection of rotational speed also matches the overall structure and performance of the fan, ensuring the stability and reliability of the fan during long-term operation.
Efficient aerodynamic design
The impeller and housing components of the R3G630-FB32-03 fan have undergone careful aerodynamic design. The blade shape, angle, and quantity of the impeller have been optimized to effectively convert the power of the motor into kinetic energy of the air, thereby improving the efficiency of the fan. The design of the casing also helps to guide airflow, reduce energy loss during air flow, and achieve efficient air output and pressure accumulation.
High quality motors and drive systems
The high-performance motor equipped is the core of the stable operation of the fan. The manufacturing process of the motor is exquisite, using high-quality materials and having good heat dissipation performance. This enables the motor to maintain stable output power during long-term operation without performance degradation due to overheating. At the same time, the drive system of the motor can accurately control the speed of the fan and flexibly adjust it according to actual needs, further improving the energy efficiency of the fan.
Excellent structural stability
The overall structural design of the fan is sturdy and stable. The shell is made of high-strength materials, which can withstand a certain degree of external impact and are not easily damaged. The internal impeller and other components are firmly installed, and there will be no looseness or displacement during high-speed rotation, ensuring the safe operation of the fan. This structural stability also helps to extend the service life of the fan and reduce maintenance costs.
Ability to adapt to multiple environments
In addition to being able to adapt to common power environments with a rated voltage of 400V, this fan also has good adaptability in environmental conditions such as temperature and humidity. Whether in high-temperature industrial workshops or in environments with high humidity such as commercial building basements, the R3G630-FB32-03 fan can operate normally. The protection level and material selection can resist the erosion of dust, water vapor, etc., ensuring that the performance of the fan is not affected.
Ventilation of large industrial plants
In large industrial plants, the production process often generates a large amount of heat, dust, and harmful gases. The high air volume and high pressure characteristics of the R3G630-FB32-03 fan can effectively discharge these polluted air from the factory building while introducing fresh air. For example, in places such as steel plants and chemical plants, the fan can be installed on the top or side of the factory building to form a good ventilation system, improve the working environment inside the factory building, and ensure the health of workers and the normal operation of production equipment.
Commercial building air conditioning system
The performance of air conditioning systems is crucial for commercial buildings such as shopping centers and office buildings. The R3G630-FB32-03 fan, as the supply and return air fan in the air conditioning system, can ensure the uniform distribution of indoor air. Its stable operating performance can ensure that the air conditioning system can provide comfortable indoor temperature and air quality under different load conditions. In large commercial buildings, multiple such fans can work together to meet the large-scale air conditioning needs.
Data center cooling
The servers and other equipment in the data center generate a large amount of heat during operation. If they cannot dissipate heat in a timely manner, it may lead to serious problems such as equipment failure and data loss. The R3G630-FB32-03 fan can be used as part of the data center cooling system to provide cold air to server cabinets or to expel hot air from the data center. Its efficient air output and pressure accumulation capability ensure effective circulation of cooling air within the data center, maintaining a suitable temperature and humidity environment.
Ventilation of storage and logistics center
Warehousing and logistics centers usually store a large amount of goods, some of which have certain requirements for the storage environment, such as temperature, humidity, and air quality. The R3G630-FB32-03 fan can be used in the ventilation system of warehouse logistics centers to prevent the occurrence of moisture, mold, and other conditions in goods. At the same time, in some warehouses with refrigeration or freezing needs, the fan can also assist the refrigeration equipment in air circulation, improving refrigeration efficiency.
The R3G630-FB32-03 fan occupies an important position in the fan market due to its reasonable parameter design, excellent product features, and wide range of application scenarios. Whether in the industrial or commercial field, it can provide users with efficient and stable ventilation and air conditioning solutions. With the continuous development of technology, we believe that this fan will continue to be optimized and innovated in the future to meet the needs of more diverse users.
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Feb 10.2025In industrial production, a good ventilation system is a key factor in ensuring production safety, improving production efficiency, and maintaining employee health. The R3G630-FB32-03 centrifugal fan from Yibiput has become an indispensable ventilation tool in the industrial field due to its powerful performance and stable quality.
Feb 10.2025In the fields of commercial and civil construction, a good ventilation system is crucial for creating a comfortable and healthy indoor environment. The R3G630-FB32-03 centrifugal fan from Yibiput plays a crucial role in commercial and civil building ventilation due to its powerful performance and stable quality, bringing many values to building users.
Feb 10.2025