The 125LG-0281-010 is an AC axial fan manufactured by ETRI/ROSENBERG with a compact 120 x 120 x 38 mm form factor and ZAMAK housing. This single-phase fan operates at multiple voltage and frequency configurations (115V/50Hz, 115V/60Hz, 220V/50Hz, 220V/60Hz), delivering airflow ranging from 35.0 to 40.0 l/s with nominal speeds between 2200 and 2500 RPM and noise levels of 38–40.5 dBA. The fan features a plastic UL 94 V-0 impeller, terminal connections, impedance protection, and an L-10 life expectancy of 80,000 hours at 40°C, with operating temperatures from -10°C to +55°C. It is ideal for HVAC systems, industrial cooling, and equipment ventilation where reliable, quiet operation and long service life are required.