Description
The ebm-papst D1G133-AB39-22 is an industrial-grade, electronically commutated (EC) dual-inlet centrifugal blower engineered for precision thermal management and high-static-pressure air displacement. Featuring integrated commutation electronics and forward-curved impeller geometry, this unit delivers high aerodynamic efficiency and low acoustic emissions in demanding industrial environments.
TECHNICAL SPECIFICATIONS
Manufacturer: ebm-papst
Model Code: D1G133-AB39-22
Motor Type: Brushless EC DC Motor (M1G Series)
Nominal Voltage: 48 VDC
Operating Voltage Range: 36 VDC to 57 VDC
Nominal Power Input: 105 W
Nominal Speed: 1780 min⁻¹
Impeller Diameter: Ø 133 mm
Airflow Volume: Up to 650 m³/h
Direction of Rotation: Clockwise (viewed toward rotor)
Bearing System: Dual precision maintenance-free ball bearings
Housing Material: Die-cast aluminum and galvanized sheet steel
Impeller Material: Galvanized sheet steel, forward curved
Motor Protection: Reverse polarity and locked-rotor protection
Speed Control: 0-10 VDC / PWM input control with tachometer output
Insulation Class: Class B
Ingress Protection: IP20 / IP42
Operating Temperature Range: -25 °C to +60 °C
Weight: Approximately 2.8 kg
Country of Origin: Germany
Certifications: CE, UL, CSA, VDE compliant
ENGINEERING PROFILE & SYSTEM ARCHITECTURE
The integrated electronics of the D1G133 series decouple operating performance from grid frequency fluctuations, providing precise closed-loop speed regulation across varying load profiles. The dual-inlet scroll design optimizes intake dynamics, enabling high air flow rates against restrictive backpressures typically found in dense heat-exchange matrices and ducted HVAC assemblies.
CRITICAL APPLICATION & TECHNICAL COMPATIBILITY
This blower is tailored for high-density cooling requirements where volumetric efficiency and thermal stability are critical:
– Telecom base transceiver stations (BTS) and outdoor power enclosures
– Industrial automation control cabinets and frequency converter cooling
– High-performance server racks and industrial computing infrastructure
– Process ventilation, fume extraction, and cleanroom air filtration units
Ensure Technical Compatibility with standard 48 VDC bus architectures and industrial PWM/analog speed control interfaces.
SUPPLY STATUS & AVAILABILITY
Condition: Surplus stock, genuine factory unit with Original Engineering build standard. Unused, tested, and fully functional.
Lead Time: Immediate dispatch available for regional and global distribution.











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