Description
The ebmpapst NRV118/3040-3612-030204 (55734.32030) is a high-performance AC centrifugal fan with a nominal voltage of 230 VAC and dimensions of 174 x 160 mm, specifically engineered for combustion air supply in gas-fired boilers and wall-mounted heaters. Driven by a robust high-speed motor with a power consumption of 70 W and a current draw of 0.57 A, this unit features a heavy-duty dual ball bearing system designed for long-term mechanical stability and continuous S1 duty in high-temperature environments. Its aerodynamic design with a precision-engineered impeller delivers a powerful balance of significant airflow and exceptionally high static pressure at a rated speed of 9000 RPM, making it highly effective at overcoming backpressure in flue gas systems. Constructed with a premium die-cast aluminum housing and high-quality impellers, this 1.8 kg fan provides a dependable and durable ventilation solution with IP40 protection for residential heating systems, gas boilers, and industrial combustion units at the end.
NRV118/3040-3612-030204 Fan Parameters
Model Number: NRV118/3040-3612-030204
Part Number: 55734.32030
Manufacturer: ebmpapst
Series: Boiler Fan Series
Type: AC Centrifugal Fan
Size: 118 mm (Impeller)
Dimensions: 174 x 160 mm
Weight: 1.8 kg
Bearing Type: Ball bearing
Nominal Voltage: 230 VAC
Voltage Range: 195 – 253 VAC
Frequency: 50 / 60 Hz
Power Consumption: 70 W
Nominal Current: 0.57 A
Speed: 9000 RPM
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)
Actual Air Flow: 155 m³/h
Actual Static Pressure: 450 Pa
Sound Pressure Level: 64 dB(A)
Motor Design: High-speed AC motor
Motor Protection: Thermal overload protector (TOP) wired internally
Insulation Class: Class H (High temperature resistant)
Electrical Hookup: Plug-in connector / Lead wires
Number of Blades: Multi-blade centrifugal impeller
Direction of Rotation: Clockwise, viewed toward rotor
Airflow Direction: Radial
Impeller Material: Sheet steel, galvanized
Housing Material: Die-cast aluminum
Installation Position: Any
Degree of Protection: IP40
Operating Temperature: -25 – +80 °C
Service Life (L10 @ 40 °C): 30000 h
Standard Compliance: EN 60335-1; CE
Approval Agency: VDE, CE
Application
The ebmpapst NRV118/3040-3612-030204 AC fan is primarily utilized in gas-fired wall-mounted boilers, condensing boilers, combustion air blowers, and industrial heating systems.
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