Description
The ebm-papst K3G630-FB32-03/F03 is a high-efficiency EC centrifugal fan engineered for demanding air handling unit (AHU) projects and industrial cooling retrofits. Built on Original Engineering principles, this backward-curved centrifugal blower integrates a highly efficient electronically commutated (EC) motor with an advanced aerodynamic impeller design. It ensures seamless Technical Compatibility with existing HVAC infrastructure, providing a direct upgrade path for energy optimization and precise climate control.
Technical Specifications:
Manufacturer: ebm-papst
Model Number: K3G630-FB32-03/F03
Fan Design: Backward Curved Centrifugal
Impeller Diameter: Ø 630 mm
Nominal Power: 3700 W
Nominal Speed: 1420 RPM
Operating Voltage: 380 – 480 VAC (3-Phase)
Frequency: 50 / 60 Hz
Motor Technology: EC (Electronically Commutated)
Control Interface: 0-10VDC / PWM / RS485 MODBUS RTU
Protection Rating: IP54
Insulation Class: F
Permissible Ambient Temperature: -25°C to +55°C
Weight: 42.5 kg
Impeller Material: Welded aluminum
Support Bracket Material: Galvanized steel
Certifications: CE, ErP 2015 compliant, UL, CSA
Industrial Application:
This specific 630mm EC fan is critical for Air Handling Unit (AHU) retrofits and data center precision cooling systems. In scenarios where legacy AC fans consume excessive power and lack variable speed control, the K3G630-FB32-03/F03 solves the problem by offering dynamic airflow modulation via MODBUS or 0-10V signals. This allows facilities to match cooling output exactly to thermal loads, drastically reducing energy consumption and acoustic noise.
Procurement and Lifecycle:
Designed for continuous, heavy-duty operation, this unit minimizes maintenance overhead while maximizing system uptime. We ensure competitive Lead Time for project-critical replacements, guaranteeing that facility managers receive authentic components that maintain strict Technical Compatibility with their existing building management systems.
Key Attributes
Mounting: Free Standing
Voltage: 400 V
Speed: 1420rpm
Blade Material: Aluminium
Warranty: 1 Year
After-sales Service Provided: Online support
Model number: K3G630-FB32-03/F03
Place of origin: China
Brand name: Ebmpapst
Blade Diameter: 630mm
Voltage: 400V
Speed: 1420rpm
Air Flow: 21540m3/h
Power: 3700W
Current: 5.7A
Frequency: 50/60Hz
IP rating: IP55
Insulation: F
Weight: 51.4kg
Packaging and Delivery
Selling Units: Single item
Single package size: 75X80X85 cm
Single gross weight: 75.000 kg









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