K3G280-RR03-H2 ebmpapst 230VAC 280mm EC Centrifugal Fan

Description

The ebmpapst K3G280-RR03-H2 is a high-efficiency 200-277 V single-phase GreenTech EC centrifugal fan module from the RadiPac series, featuring a 280 mm backward-curved PP plastic impeller. This integrated modular unit is built into a robust cubic support structure with a galvanized steel support plate and black painted steel brackets, optimized for rapid deployment in modular ventilation systems. Driven by the M3G084-DF motor with integrated electronics, it delivers an airflow of 2000 m³/h and a static efficiency of 65.5%. Equipped with active PFC, an RS-485 Modbus RTU interface, and an integrated PID controller, the K3G280-RR03-H2 offers a smart, energy-saving solution for precision cooling in data centers and air handling units, ensuring reliable performance within an ambient temperature range of -25 °C to 60 °C.

K3G280-RR03-H2 Fan Parameters
Model Number: K3G280-RR03-H2
Manufacturer: ebmpapst
Motor Model: M3G084-DF
Series: RadiPac EC Centrifugal Module
Type: EC Centrifugal Fan (Backward-Curved)
Impeller Size: 280 mm
Dimensions: 400 x 400 x 224 mm
Bearing Type: Ball bearing; (sealed)
Nominal Voltage: 230 VAC
Voltage Range: 200 – 277 VAC
Phase: 1~
Frequency: 50 / 60 Hz
Weight: 7.92 kg
Power Consumption: 500 W (Ped 0.52 kW)
Nominal Current: 2.2 A
Speed: 2700 RPM (2660 RPM at peak point)
Max. Air Flow: 62.23 CFM (105.7 m³/h / 1.76 m³/min)
Max. Static Pressure: 9.81 mmH₂O (96.24 Pa / 0.39 inH₂O)
Efficiency Grade (N): 79
Overall Efficiency (ηes): 65.5%
Motor Design: Single-phase EC External Rotor Motor
Control Interface: RS-485 MODBUS-RTU; 0-10 VDC / PWM
Technical Features: Integrated PID controller; Active PFC; Soft start; Power limiter; Motor current limitation; 10 VDC output (max. 10 mA); Operation and alarm display; Alarm relay
Motor Protection: Thermal overload protection for electronics/motor; Line undervoltage / phase failure detection; Locked-rotor protection
Insulation Class: Class F
Touch Current: <= 3.5 mA
Electrical Hookup: Via terminal box
Number of Blades: 6
Direction of Rotation: Clockwise, viewed toward rotor
Impeller Material: PP plastic
Support Plate Material: Sheet steel, galvanized
Support Bracket Material: Steel, painted black
Inlet Nozzle Material: Sheet steel, galvanized
Electronics Housing Material: Die-cast aluminum
Installation Position: Shaft horizontal or rotor on bottom
Condensate Discharge Holes: On rotor side
Degree of Protection: IP55
Environmental Protection Class: H1
Operating Temperature: -25 – +60 °C
Standard Compliance: EN 60335-1, EN 61800-5-1, CE, UKCA
Approval Agency: CSA C22.2 No. 77, CCC, EAC, UL 1004-7

Application
The ebmpapst K3G280-RR03-H2 is used in high-efficiency air handling units (AHU), data center precision cooling, cleanroom ventilation, industrial heat exchangers, and smart building HVAC systems.