Description
The ebmpapst D1G133-AB39-52 is a high-performance EC single inlet centrifugal fan with a nominal voltage of 48 VDC and dimensions of 215 x 171 x 180 mm, specifically engineered for precision thermal management in high-density electronic enclosures. Powered by an advanced M1G074-BF GreenTech EC external rotor motor with a power consumption of 105 W, this unit features a motor vibration-damped suspension on both sides to minimize mechanical noise and resonance. The integrated electronic system supports seamless speed adjustment via a 0-10 VDC or PWM control input, complemented by a tacho output for real-time monitoring. Constructed with a robust galvanized sheet steel housing and impeller, this 2.8 kg fan delivers a powerful balance of significant airflow and high static pressure, ensuring optimal cooling in telecommunications infrastructure, server racks, and industrial ventilation systems at the end.
D1G133-AB39-52 Fan Parameters
Model Number: D1G133-AB39-52
Manufacturer: ebmpapst
Motor Model: M1G074-BF
Series: EC Centrifugal Fan Series
Type: EC Centrifugal Fan (Single Inlet)
Impeller Size: 133 mm
Dimensions: 215 x 171 x 180 mm
Weight: 2.8 kg
Bearing Type: Ball bearing
Nominal Voltage: 48 VDC
Voltage Range: 36.0 – 57.0 VDC
Power Consumption: 105 W
Nominal Current: 2.8 A
Speed: 1780 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: 250 CFM (425 m³/h)
Actual Static Pressure: 1.60 inAq (400 Pa)
Sound Pressure Level: 62 dB(A)
Motor Design: Brushless EC motor (External rotor)
Motor Protection: Reverse polarity protection; Motor current limitation; Soft start
Technical Features: Control input 0-10 VDC / PWM; Tacho output
Insulation Class: Class B
Electrical Hookup: Lead wires (Variable cable)
Number of Blades: Forward-curved multi-blade impeller
Direction of Rotation: Clockwise, viewed toward rotor
Airflow Direction: Radial (Single inlet)
Impeller Material: Sheet steel, galvanized
Housing Material: Sheet steel, galvanized
Installation Position: Any
Degree of Protection: IP42
Mode: S1 (Continuous operation)
Operating Temperature: -25 – +60 °C
Storage Temperature: -40 – +80 °C
Standard Compliance: EN 62368-1; EN 61000-6-2; EN 55022 (Class B)
Approval Agency: CSA C22.2 No. 77; CCC; EAC; UL 1004-1
Application
The ebmpapst D1G133-AB39-52 EC centrifugal fan is primarily utilized in precision air conditioning units, telecommunications base stations, cleanroom modules, and electronic equipment rack ventilation.
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