Electric motor: Shadedpole type AC electric motor design.
Frame: High quality aluminum alloy outside frame Anti-corrosive and moisture proof structure
Impeller: UL-0 70% PBT+30%FRP
Bearing: self lubricating bearing and ball bearing.
Insulation: Class B
Insulation Impedance: the case adds 500V DC to the coils, insulation impedance 100MΩ higher
Dielectric strength: 0.5mA 1500V/ACmin
Safety protection: Impedance protection
Operating temperature: -10-+70℃
Storage temperature: -40-+70℃