Measuring 15.9 x 6.4 in., OAB400 Series offers max static pressure value of 5.4 in. H2O and meets UL Class B Insulation requirements. Unit features all-metal impeller, sealed dual ball bearing design, and diecast aluminum frame. Utilizing backward curved blades, motorized impeller is designed for electronic cabinets, air filtration, networking, and ventilation systems. OAB400 Series has current rating of 1.26 A, power rating of 387 W, and operating temperature of -40 to +80°C.