Centrifugal Fans,characteristics of compact structure,convenient installation,energy conservation and high efficiency. Voltage:Singe phase motor: 220V at 50Hz3 phase motors: 380V at 50HzTypes: single and 3 phases asynchronous fan motorInsulation class: B or FStandard electric wire length: 1.5mAmbient temperature: -30 to 60°CLifespan: 30,000 hoursEnergy conservation and high-efficiencyCompact ...