| Brand: | ebm-papst |
| Part No: | K3G280-AU11-C3 |
| Fan Type: | Centrifugal Fan |
| Rated Voltage(V): | 400 |
| Size(mm): | 280 |
| Max.Air Flow(m³/h): | N/A |
| Max.Pressure(Pa): | N/A |
| Input Power(W): | 1000 |
| Speed(RPM): | 3100 |
| Noise(dB): | N/A |
| Weight: | 11.3 kg |
| Rotor Surface: | Painted black |
| Electronics Housing Material: | Die-cast aluminum |
| Impeller Material: | Sheet aluminum |
| Support Plate Material: | Sheet steel, galvanized |
| Support Bracket Material: | Steel, painted black |
| Inlet Nozzle Material: | Sheet steel, galvanized |
| Number of Blades: | 7 |
| Direction of Rotation: | Clockwise, viewed toward rotor |
| Degree of Protection: | IP54 |
| Insulation Class: | "B" |
| Moisture (F) / Environmental (H) Protection Class: | F3-1 |
| 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: | - Output 10 VDC, max. 10 mA - Output 20 VDC, max. 50 mA - Output for slave 0-10 V - Input for sensor 0-10 V or 4-20 mA - External 24 V input (parameter setting) - Alarm relay - Power limiter - Motor current limitation - RS-485 MODBUS-RTU - Soft start - Control input 0-10 VDC / PWM - Control interface with SELV potential safely disconnected from the mains - Thermal overload protection for electronics/motor - Line undervoltage / phase failure detection |
| Touch Current according to IEC 60990 (measuring circuit Fig. 4, TN system): | <= 3.5 mA |
| Electrical Hookup: | Via terminal box |
| Motor Protection: | Thermal overload protector (TOP) internally connected |
| Protection Class: | I (if protective earth is connected by customer to the housing's connection point) |
| Conformity with Standards: | EN 61800-5-1; CE |
| Approval: | CCC; C22.2 No.77 + CAN/CSA-E60730-1; EAC; UL 1004-7 + 60730 |


In the field of industrial ventilation and air treatment, fans play a vital role as key equipment. The K3G280-AU11-C3 centrifugal fan produced by ebm-papst has become an ideal choice in many industrial application scenarios due to its excellent performance and reliable quality. This article will give a detailed introduction to this fan, including its basic information, technical parameters, characteristics, etc.
K3G280-AU11-C3 belongs to the centrifugal fan type. Centrifugal fans are machines that rely on input mechanical energy to increase gas pressure and discharge gas. They are driven fluid machines. As a world-renowned fan manufacturer, ebm-papst has given this fan excellent performance with its advanced technology and exquisite craftsmanship.
Brand and part number: The fan brand is ebm-papst, and the part number is K3G280-AU11-C3. This number is its unique identification in the production and sales process, which is convenient for users to query and purchase.
Rated voltage: The rated voltage is 400V, which is suitable for most industrial power environments. Stable voltage input is the basis for the normal operation of the fan. The rated voltage of 400V can ensure that the fan can work stably in industrial sites and provide users with reliable ventilation services.
Size: The size of the fan is 280 mm. This size design allows the fan to adapt to different installation space requirements while ensuring sufficient air volume and pressure. Whether it is inside a small industrial equipment or in a large ventilation system, it can be flexibly installed.
Input power: The input power is 1000W. Power is one of the important indicators to measure the performance of the fan. Higher input power means that the fan can provide greater air volume and pressure. The input power of 1000W enables K3G280-AU11-C3 to meet the user's ventilation needs under various working conditions.
Speed: The speed is 3100rpm (revolutions per minute). A higher speed enables the fan to quickly inhale and exhaust air, thereby improving ventilation efficiency. The speed of 3100rpm enables the fan to achieve large-area air exchange in a short time, which is suitable for occasions with high ventilation speed requirements.
High efficiency and energy saving: ebm-papst uses advanced energy-saving technology in the design of the fan. The K3G280-AU11-C3 fan can effectively reduce energy consumption while ensuring high air volume and high pressure. By optimizing the impeller design and motor performance of the fan, the energy conversion efficiency of the fan is significantly improved, thereby saving users a lot of operating costs.
Low noise operation: Although the fan has a high speed, the noise generated during operation is effectively reduced by adopting advanced noise reduction technology and optimized air duct design. In an industrial production environment, low noise operation can not only reduce interference to operators, but also meet environmental protection requirements and create a quiet working environment for users.
High reliability: As an industrial equipment, reliability is crucial. The K3G280-AU11-C3 fan uses high-quality materials and exquisite manufacturing technology to ensure the stability and reliability of the fan during long-term operation. At the same time, the fan is also equipped with perfect protection devices, such as overload protection, overheating protection, etc., which can effectively avoid equipment damage caused by unexpected situations.
Easy to install and maintain: The design of the fan fully considers the installation and maintenance needs of users. Its compact structure and standardized installation interface enable users to easily install the fan into the ventilation system. In addition, the maintenance of the fan is also very convenient. It only needs to be cleaned and inspected regularly and the wearing parts replaced, which greatly reduces the maintenance cost and workload of users.
K3G280-AU11-C3 centrifugal fan has become a leader in the field of industrial ventilation and air treatment with its advanced technology, excellent performance and reliable quality. Its high efficiency and energy saving, low noise operation, high reliability and easy installation and maintenance can meet the ventilation needs of different users in various industrial scenarios. Whether in traditional industrial fields such as chemical, metallurgical, and electric power, or in emerging industrial fields such as electronics, food, and medicine, K3G280-AU11-C3 fans can play an important role and create greater value for users.
In the industrial and commercial fields, ventilation systems are key components to ensure indoor air quality, normal operation of equipment, and personnel health. As a centrifugal fan with excellent performance, K3G280-AU11-C3 fan has unique characteristics that make it stand out in many application scenarios.
Mar 10.2025As an important industrial ventilation equipment, the normal operation of K3G280-AU11-C3 fan is crucial to ensure the normal operation of the production environment and equipment. In order to ensure the long-term stable operation of the fan and extend its service life, scientific and reasonable operation and maintenance must be carried out
Mar 10.2025During the long-term operation of K3G280-AU11-C3 fan, some faults are inevitable. Timely and accurate handling of these faults is crucial to ensure the normal operation of the fan and the continuity of production. This article will introduce the common fault types, causes and treatment methods of K3G280-AU11-C3 fan, and analyze them in combination with actual cases.
Mar 10.2025As a centrifugal fan produced by ebm-papst, K3G280-AU11-C3 fan has a wide range of applications in industrial and commercial fields. Understanding its working principle, application scenarios and correct installation methods is essential to fully exert its performance and ensure stable operation of the equipment
Mar 10.2025