Atlantic Blowers' ABC-300 Three Phase/Single Stage Centrifugal Blower can be used for various low pressure, high airflow applications. The ABC-300 produces a maximum flow of 529 CFM. The maximum pressure is 9.6 inH2O. The ABC-300 has a power output of 1 HP (0.75 kW) with speeds of either 3000 or 3600 RPM (50/60 Hz dual frequency). The voltage is 220-275/380-480 with an FLA rating of 3.1âˆ†/1.6Y. Measuring at a distance of 3 ft. the blower will produce a noise level of 80 dbA. The inlet size is 5" and the outlet size is 4".