Description
The Sanyo Denki San Ace 120 (Model: 9G1248P1G051) is a high-performance 48V DC industrial axial fan engineered for thermal management in mission-critical electronic enclosures, high-density server racks, and telecommunications infrastructure. Built with Original Engineering standards, this 9G series fan delivers an optimal balance of static pressure and high volumetric airflow while maintaining low energy consumption and extended operational life in continuous-duty environments.
Technical Specifications
Manufacturer: Sanyo Denki
Series: San Ace 120 (9G Type)
Model Number: 9G1248P1G051
Frame Dimensions: 120 mm x 120 mm x 38 mm
Rated Voltage: 48 V DC
Operating Voltage Range: 36.0 V DC to 72.0 V DC
Rated Current: 0.25 A
Rated Input Power: 12.0 W
Nominal Speed: 3900 RPM
Maximum Airflow: 3.90 m³/min (138 CFM)
Maximum Static Pressure: 135 Pa (0.54 inch H2O)
Bearing System: Dual Precision Ball Bearing
Speed Control: PWM Speed Control with Tachometer (Pulse Sensor)
Frame Construction: Die-Cast Aluminum
Impeller Construction: Reinforced Plastic (UL 94V-0)
Motor Protection: Locked Rotor Burnout Protection and Reverse Polarity Protection
Acoustic Noise Level: 46 dB(A)
Operating Temperature: -20 °C to +70 °C
Storage Temperature: -30 °C to +70 °C
Expected Service Life: 40,000 Hours at 60 °C (Continuous Operation)
Termination: 4-Lead Wire Configuration (Power, Ground, Tachometer, PWM)
Weight: 370 g
Compliance: RoHS, UL Recognized, CSA Certified, CE
Application & Engineering Integration
Technical Compatibility is optimized for 48V DC industrial power buses, telecommunication outdoor cabinets, industrial inverter modules, and rack-mount UPS units. The integrated PWM input enables fine-tuned thermal curve management directly via system controllers, reducing overall power draw during partial-load conditions while maintaining instantaneous peak cooling capacity under thermal stress.
Procurement and inventory support include verified factory-specification traceability and dependable standard Lead Time for both OEM production lines and urgent MRO lifecycle maintenance.











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