Description
The ebmpapst G3G250-GN44-01 is a high-performance 230VAC single-phase EC Centrifugal Gas Blower, featuring backward-curved aluminium impellers within a heavy-duty flanged die-cast aluminium housing. Driven by the M3G084-FA GreenTech EC motor with integrated electronics and active PFC, this 250 mm impeller size blower is specifically engineered for gas-condensing heating systems and high-efficiency industrial combustion processes. Operating on a nominal voltage range of 208 to 240 VAC, it delivers a Power Input of 860 W and a Current Draw of 4.8 A at a rated speed of 4500 RPM. Featuring a black-coated rotor, a flame-retardant Polyflam protective cover, and a 0-10 VDC / PWM control interface, it ensures high-pressure air delivery, advanced thermal motor protection, and reliable continuous S1 operation in demanding heating environments at the end.
G3G250-GN44-01 Fan Parameters
Model Number: G3G250-GN44-01
Motor Model: M3G084-FA
Manufacturer: ebmpapst
Type: EC Centrifugal Fan – Backward-curved, single-inlet with housing (flange)
Impeller Size: 250 mm
Dimensions: 460 x 435 x 250 mm
Weight: 13.2 kg
Bearing Type: Ball bearing
Nominal Voltage: 230 VAC
Nominal Voltage Range: 208 – 240 VAC
Phase: 1~
Frequency: 50 / 60 Hz
Method of Obtaining Data: ml (Max. load)
Current Draw: 4.8 A (@ 208 V)
Power Input: 860 W
Rated Speed: 4500 RPM
Max. Air Flow: 779.9 CFM (1325.0 m³/h / 22.08 m³/min)
Max. Static Pressure: 122.37 mmH₂O (1200.0 Pa / 4.82 inAq)
Impeller Material: Aluminium sheet
Housing Material: Die-cast aluminium
Protective Cover Material: Polyflam RPP 374-ND CS1 (UL 94-V0)
Rotor Surface: Coated in black
Number of Blades: 7
Direction of Rotation: Clockwise (viewed toward rotor)
Insulation Class: “B”
Degree of Protection: IP20
Leakage Current: <= 3.5 mA
Motor Protection: Locked-rotor protection; Over-temperature protected electronics
Technical Features: Control input 0-10 VDC / PWM; Tach output; Active PFC; Motor current limit; Line undervoltage / phase failure detection
Electrical Hookup: With plug
Condensate Discharge Holes: Rotor-side
Installation Position: Any
Mode: S1 (Continuous operation)
Protection Class: I (if protective earth is connected)
Max. Ambient Temperature: 60 °C
Min. Ambient Temperature: -20 °C
Standard Compliance: EN 61000-3-2/3; CE
Approval: CCC; CSA C22.2 Nr.113; UL 507
Application
The ebmpapst G3G250-GN44-01 is a specialized gas blower designed for high-efficiency gas-condensing heating units and industrial combustion systems requiring high-pressure variable-speed 230V EC airflow in a 250mm flanged configuration.
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