--Vacuum cleaner motors with high efficiency used for dry units; --It’s created with shaft in stainless steel and the rotor is supported with two high-quality bearings enabling to reduce the noise level; --Materials of carbon brush are import from Japan,it has the features of small spark, long service life and high efficiency; --For all models, following voltages are available:100-120,220-240 V/50-60 Hz --Thermal protection: Under request. Parameter : Voltage 120V220-240V Frequency 50/60 Hz Rated Input Power 1200W Max Power 1350W Max Vacuum ≥26 KPa≥104 in H2O Max Air Flow ≥46 L/s≥96.6 CFM Max Air Power ≥460 W Max Efficiency ≥40% OrificeCurrentInput PowerSpeedVacuumAir FlowAir powerEfficiencymminch*AWrpmKPain H2OL/sCFMW%401 1/25.361232380282.510.0447.95100.70118.99.7301 1/85.301215383016.124.4941.9788.14256.221.1237/85.1311773898212.349.3834.4472.32422.435.9193/44.9311294019517.369.4527.5457.83475.342.1165/84.6410694169420.682.7021.1844.48436.540.8131/24.309934380023.293.1614.7831.04343.034.5103/84.009264591525.8103.579.2119.34237.425.66.51/43.748714722326.2105.183.978.34104.111.9003.558234998327108.390.00000 *Orifice in inch is only approximative. Performance data above are for reference only. Individual performance data may vary due to normal manufacturing variations. You are welcome to give us any of your special requests.