Atlantic Blowers' AB-602 Three Phase/Double Stage Regenerative Blower can be used for various pressure or vacuum applications. The AB-602 produces a maximum flow of 155 CFM. The maximum pressure and vacuum is 166 inH2O and 161 inH2O respectively.The AB-602 has a power output of 5 HP (3.7 kW) with speeds of either 3000 or 3600 RPM (50/60 Hz dual frequency). The voltage is 220-275Î”/380-480Y with an FLA rating of 13.5Î”/7.8Y. Measuring at a distance of 3 ft. the blower will produce a noise level of 74 dbA. The inlet/outlet connection size is 2.00" female NPT.