Description
The ebmpapst D1G133-AB39-22 is a high-performance 48 VDC EC Centrifugal Fan with an impeller size of 133 mm, specifically engineered for demanding thermal management in industrial frequency converters and electrical control cabinets. Driven by a robust brushless EC external rotor motor with an integrated electronic control unit and a high power consumption of 105.0 W and a nominal current of 2.8 A, this precision unit operates at a rated speed of 1780 RPM, delivering a powerful single-intake airflow for efficient heat extraction. Constructed with a ruggedized die-cast aluminum housing and a galvanized sheet steel forward-curved impeller system featuring high-precision ball bearings and a 4-wire electrical interface supporting PWM speed control and tachometer feedback, this 3.2 kg unit provides a dependable and energy-efficient air-moving solution with IP42 protection and Class B insulation, ensuring maximum cooling performance and long-term mechanical stability for high-power inverters, variable frequency drives (VFD), and integrated electrical switchgear systems at the end.
D1G133-AB39-22 Fan Parameters
Model Number: D1G133-AB39-22
Manufacturer: ebmpapst
Motor Model: M1G074-BF
Series: D1G 133 Series
Type: EC Centrifugal Fan (Single-intake)
Impeller Size: 133 mm
Weight: 3.2 kg
Bearing Type: Ball bearing
Nominal Voltage: 48 VDC
Voltage Range: 36.0 – 57.0 VDC
Power Consumption: 105.0 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: 420.0 m³/h
Actual Static Pressure: 450.0 Pa
Control Input: PWM / 0-10 VDC
Signal Output: Tachometer output
Motor Protection: Locked-rotor and reverse polarity protection
Insulation Class: Class B
Electrical Hookup: 4-wire leads
Number of Blades: 26 (Forward-curved)
Direction of Rotation: Clockwise, viewed toward rotor
Housing Material: Die-cast aluminum
Impeller Material: Sheet steel, galvanized
Installation Position: Any
Operating Temperature: -25 – +60 °C
Storage Temperature: -40 – +80 °C
Degree of Protection: IP42
Standard Compliance: EN 60950-1; CE; UKCA
Approval Agency: VDE; UL; CSA; CCC
Application
The ebmpapst D1G133-AB39-22 EC fan is primarily utilized in industrial frequency converters, power inverters, and electrical control cabinet heat dissipation systems.
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