USTF120381152T is an AC / Ball Bearing Fans from US Toyo Fan. It has an airflow of 76 CFM, Acoustical Noise of 30 dB (A) , RPM of 1950. The frames are aluminum alloy in black finish painting, bearings are dual shielded ball, and impeller are made UL94V-0 Plastic (Reinforced). It measures 4.69 in. sq x 1.5 in. thick (120mm sq x 38mm thick), and weighs 19.4 oz (550g). The fan operates at 115VAC (75VAC min), at a temperature range of -10° to + 70° C. Its insulation is Class A with a resistance of 100,000 Ohm min @ 500 VDC and dielectric strenght of 500 VAC for 1 minute. Termination are through terminals. The fans meets UL, CSA, and CE and impedance protected. All fans are designed and manufactured to prevent "burn-out" failure caused by restriction of rotating parts