Description
Product Overview
The ebm-papst R3G250-RE07-07 (OEM reference R3G250-8317076409) is a high-efficiency, single-inlet centrifugal fan featuring backward-curved blades and advanced EC (Electronically Commutated) motor technology. Engineered for precision airflow management, this motorized impeller delivers exceptional aerodynamic performance with minimal acoustic noise, making it an optimal Original Engineering component for demanding ventilation architectures.
Technical Specifications
Brand: ebm-papst
Model Number: R3G250-RE07-07
OEM Reference: R3G250-8317076409
Fan Type: Centrifugal, Backward Curved, Single Inlet
Motor Technology: EC (Electronically Commutated)
Nominal Voltage: 230 VAC (1~ 200-240 VAC)
Frequency: 50/60 Hz
Power Consumption: 170 W (Maximum) / 130 W (Nominal)
Nominal Current: 1.7 A
Rated Speed: 2534 RPM
Control Interface: PWM / 0-10V Analog
Impeller Diameter: Ø 250 mm
Impeller Material: PA plastic, glass-fiber reinforced
Direction of Rotation: Clockwise (viewed toward rotor)
Degree of Protection: IP54
Insulation Class: B
Operating Temperature Range: -25 °C to +60 °C
Motor Protection: Thermal overload protector (TOP) internally connected
Weight: 2.4 kg
System Architecture & Integration
The R3G250-RE07-07 integrates a highly efficient EC motor that drastically reduces energy consumption compared to traditional AC motors. The onboard electronics allow for seamless integration into automated building management systems via a PWM or 0-10V control interface. This enables precise, stepless speed modulation to match exact cooling or ventilation demands, ensuring optimal Technical Compatibility with modern sensor-driven environments. The backward-curved impeller design prevents motor overloading and provides stable pressure generation across varying system resistances.
Industrial Application
This specific centrifugal fan is engineered for high-performance air purification units, fresh air ventilation systems (HRV/ERV), and precision cooling equipment. In commercial air purifier applications, the Ø 250 mm impeller operating at 2534 RPM overcomes high static pressure drops caused by dense HEPA and activated carbon filters. The integrated PWM control allows the system to dynamically adjust airflow based on real-time particulate sensor data, optimizing both acoustic output and filtration efficiency. Standardized mounting parameters ensure rapid integration and minimize Lead Time during production or maintenance cycles.
Key Attributes
Mounting: Free Standing
Voltage: 220 V
Blade Material: Stainless Steel
Customized support: OEM, ODM
Warranty: 1 Year
After-sales Service Provided: Online support
Model number: R3G250-8317076409
Place of origin: Germany
Brand name: Ebmpapst
Voltage: 220VAC
Frequency: 50/60HZ
Power: 170/130W
Current: 1.7A
Speed: 2534RPM
IP rating: IP44
Packaging and Delivery
Selling Units: Single item
Single package size: 38X37X25 cm
Single gross weight: 68.000 kg
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