forward curved, single inlet with housing (without flange)
| Brand： | ebm-papst |
| Part No： | G3G225-AD29-71 |
| Fan Type： | Centrifugal Fan |
| Rated Voltage(V)： | 230 |
| Size(mm)： | 225 |
| Max.Air Flow(m³/h)： | 1655 |
| Max.Pressure(Pa)： | 600 |
| Input Power(W)： | 545 |
| Speed(rpm)： | 1815 |
| Noise(dB)： | 58 |
| Mass: | 8.2 kg |
| Surface of Rotor: | Coated in black |
| Material of Electronics Housing： | Die - cast aluminium |
| Material of Impeller： | Sheet steel, galvanised |
| Housing Material： | Sheet steel, galvanised |
| Direction of Rotation： | Clockwise, seen on rotor |
| Type of Protection： | IP 54 |
| Insulation Class： | "B" |
| Humidity Class： | F3 - 1 |
| 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 top; rotor on bottom on request |
| Condensate Discharge Holes： | None |
| Operation Mode： | Continuous operation (S1) |
| Motor Bearing; | Ball bearing |
| Technical Features： | - Output 10 VDC, max. 1.1 mA - Alarm relay - Motor current limit - Soft start - Control input 0 - 10 VDC / PWM - Control interface with SELV potential safely disconnected from the mains - Over - temperature protected electronics / motor - Line undervoltage detection |
| EMC Interference Immunity： | Acc. to EN 61000 - 6 - 2 (industrial environment) |
| EMC Harmonics： | Acc. to EN 61000 - 3 - 2/3 |
| EMC Interference Emission： | Acc. to EN 61000 - 6 - 3 (household environment) |
| Touch Current acc. IEC 60990 (measuring network Fig. 4, TN system)： | <= 3.5 mA |
| Motor Protection： | Thermal overload protector (TOP) wired internally |
| Cable Exit: | Variable |
| Protection Class: | I (if protective earth is connected by customer) |
| Product Conforming to Standard: | EN 60335 - 1; CE |
| Approval: | UL 2111; CCC; CSA C22.2 Nr.77 |
Introduction to ebm-papst
In the realm of ventilation and drive technology, ebm-papst has long been a name synonymous with innovation, quality, and reliability. With a rich history spanning several decades, this German-based company has established itself as a global leader in the design and manufacturing of fans, motors, and related products. ebm-papst's commitment to research and development has led to the creation of cutting-edge solutions that cater to a diverse range of industries, from automotive and aerospace to HVAC and industrial automation. The G3G225-AD29-71 centrifugal fan is a prime example of the company's dedication to excellence, offering a perfect blend of performance, efficiency, and durability.
The Centrifugal Fan Design
Working Principle
The G3G225-AD29-71 is a centrifugal fan, which operates on a distinct principle compared to axial fans. In a centrifugal fan, the air enters the fan axially (parallel to the axis of rotation) and is then accelerated by the rotating impeller. The impeller imparts a centrifugal force to the air, causing it to move radially outward and then exit the fan at a 90-degree angle to the axis of rotation. This design allows centrifugal fans to generate higher pressures compared to axial fans, making them ideal for applications where air needs to be pushed through ducts, filters, or other resistance-causing components.
Structural Design
The physical structure of the G3G225-AD29-71 is a testament to ebm-papst's engineering prowess. The fan features a robust housing that is designed to withstand the rigors of continuous operation. The housing is typically made from high-quality materials such as galvanized steel or aluminum, which provide excellent corrosion resistance and mechanical strength. Inside the housing, the impeller is the heart of the fan. It is precisely engineered with carefully designed blades that are optimized for maximum air flow and pressure generation. The impeller's shape and pitch are calculated to ensure smooth and efficient air movement, minimizing turbulence and noise.
Technical Specifications and Their Significance
Rated Voltage
The G3G225-AD29-71 is rated for a voltage of 230V. This standard voltage rating makes the fan compatible with a wide range of electrical systems commonly found in commercial and industrial settings. In regions where the mains voltage is 230V, the fan can be easily integrated into existing electrical infrastructure without the need for complex voltage conversion equipment. This not only simplifies the installation process but also reduces the overall cost of the ventilation system.
Size
With a size of 225mm, the G3G225-AD29-71 strikes a balance between power and compactness. This size makes it suitable for a variety of applications where space may be limited, yet high-performance ventilation is required. For example, in smaller industrial machinery or in some commercial HVAC units, the 225mm size allows for easy installation without taking up excessive space. At the same time, the relatively larger size compared to some smaller fans enables it to handle larger air volumes and generate higher pressures.
Maximum Air Flow
The fan boasts a maximum air flow rate of 1655m³/h. This high air flow capacity makes it suitable for a wide range of applications, from large-scale industrial ventilation to commercial air-conditioning systems. In industrial settings, it can be used to remove heat, dust, and fumes from manufacturing areas, ensuring a safe and comfortable working environment. In commercial buildings, it can provide adequate fresh air supply to large rooms or multiple zones, maintaining good indoor air quality.
Maximum Pressure
The G3G225-AD29-71 can generate a maximum pressure of 600Pa. This pressure-generating capability is crucial in applications where the air needs to be pushed through long or complex ductwork, or where there are high-resistance filters in the ventilation system. For instance, in a large-scale HVAC system with multiple branches and filters, the fan's ability to generate 600Pa of pressure ensures that the air can reach all the intended areas with sufficient force, maintaining proper air circulation.
Input Power
The input power of the fan is 545W. While this may seem relatively high, it is important to consider the fan's performance capabilities. The 545W power consumption is a trade-off for the high air flow and pressure it can deliver. In fact, when compared to other fans with similar performance levels, the G3G225-AD29-71 is designed to be energy-efficient. ebm-papst uses advanced motor technology and aerodynamic design to optimize the fan's performance while minimizing power consumption.
Speed
The fan operates at a speed of 1815rpm. This rotational speed is carefully calibrated to achieve the best balance between air flow, pressure, and noise. A higher speed would generally result in increased air flow and pressure, but it would also lead to higher noise levels and potentially higher power consumption. Conversely, a lower speed would reduce noise and power consumption but might not provide sufficient air flow and pressure. The 1815rpm speed of the G3G225-AD29-71 is the result of extensive research and development to ensure optimal performance in real-world applications.
Noise Level
The noise level of the G3G225-AD29-71 is rated at 58dB. This relatively low noise level is a significant advantage, especially in applications where a quiet environment is desired. In commercial buildings such as offices, hospitals, or schools, excessive noise from ventilation fans can be a distraction and may even have a negative impact on the well-being of occupants. The 58dB noise level of the G3G225-AD29-71 ensures that it can operate without causing significant disturbance, making it suitable for a wide range of noise-sensitive applications.
Advantages in Different Applications
Industrial Applications
In industrial environments, the G3G225-AD29-71 offers several key advantages. In manufacturing plants, it can be used for local exhaust ventilation systems to remove harmful pollutants such as dust, smoke, and chemical fumes. Its high air flow and pressure capabilities allow it to effectively draw in the contaminated air from the source and push it through the exhaust ducts to the outside. In addition, in industrial ovens and furnaces, the fan can be used for cooling purposes, ensuring that the equipment operates within the safe temperature range. The fan's robust construction also makes it suitable for use in harsh industrial environments where it may be exposed to dust, moisture, and vibrations.
Commercial Applications
In the commercial sector, the G3G225-AD29-71 is an ideal choice for HVAC systems. In large office buildings, it can be used in air handling units to supply fresh air and remove stale air from multiple floors or zones. The fan's ability to generate high air flow and pressure ensures that the air can be evenly distributed throughout the building, maintaining a comfortable indoor environment. In shopping malls, the fan can be used for ventilation in large open spaces, food courts, and storage areas. Its low noise level also makes it suitable for use in cinemas, theaters, and conference rooms, where a quiet atmosphere is essential.
Data Center Applications
Data centers are another area where the G3G225-AD29-71 can shine. With the increasing demand for data storage and processing, data centers generate a significant amount of heat. The fan can be used in cooling systems to remove this heat and maintain the optimal temperature for the servers and other equipment. Its high air flow and pressure capabilities allow it to effectively cool large-scale data centers, while its energy-efficient design helps to reduce the overall power consumption of the cooling system.
Installation and Maintenance
Installation
Installing the G3G225-AD29-71 is relatively straightforward. The fan is designed with standard mounting holes and interfaces, allowing it to be easily integrated into existing ventilation systems. It can be mounted in various orientations, such as horizontal or vertical, depending on the specific requirements of the application. However, it is important to ensure that the installation is carried out by a qualified technician to ensure proper alignment, secure mounting, and correct electrical connections.
Maintenance
Maintenance of the G3G225-AD29-71 is also relatively simple. Regular cleaning of the impeller and housing is recommended to prevent the accumulation of dust and debris, which can reduce the fan's performance and efficiency. The bearings should be lubricated at regular intervals as per the manufacturer's recommendations to ensure smooth operation and extend the lifespan of the fan. Additionally, periodic inspection of the electrical connections and motor is advisable to detect any potential issues early on.
Comparison with Competitors
When compared to other centrifugal fans in the market, the G3G225-AD29-71 offers several distinct advantages. In terms of performance, its combination of high air flow, pressure, and relatively low noise level is hard to match. Many competitors may offer either high air flow or high pressure, but not both in a single unit. In addition, ebm-papst's reputation for quality and reliability gives the G3G225-AD29-71 an edge over some of its competitors. The company's strict quality control measures ensure that each fan meets the highest standards of performance and durability.
The ebm-papst G3G225-AD29-71 centrifugal fan is a remarkable product that offers a comprehensive solution for a wide range of ventilation needs. Its advanced design, impressive technical specifications, and numerous advantages in different applications make it a top choice for engineers, contractors, and facility managers. Whether it is used in industrial, commercial, or data center applications, the fan's ability to deliver high-performance ventilation while maintaining energy efficiency and low noise levels is truly commendable. With ebm-papst's continuous commitment to innovation and improvement, the G3G225-AD29-71 is likely to remain a leading product in the ventilation market for years to come, providing reliable and efficient ventilation solutions to customers around the world.
The ebm-papst G3G225-AD29-71 centrifugal fan offers several features that make it well-suited for industrial ventilation applications.
Apr 24.2025The ebm-papst G3G225-AD29-71 centrifugal fan offers several features that make it suitable for data center cooling applications.
Apr 24.2025As the demand for sustainable and efficient greenhouse farming increases, the ebm-papst G3G225-AD29-71 is likely to play an important role. In the future, we can expect to see further improvements in the fan's energy efficiency, which would help to reduce the operating costs of greenhouses.
Apr 24.2025The ebm-papst G3G225-AD29-71 is a centrifugal fan, which offers several distinct advantages in HVAC applications. First, it operates at a rated voltage of 230V, which is a standard voltage in many electrical systems. This makes it compatible with a wide range of HVAC equipment.
Apr 24.2025
