材质： Material: 面板：SPCC，

表面喷塑 Wall ring: Galvanized sheet,coated in plastic

风叶：尼龙+玻纤 Impeller: PA6+GF

网罩：钢丝，表面先电泳后喷塑 Guard grille:Stell Wire,Electrophoresis and   coated in plastic

轴承: 滚珠轴承 Bearing: Ball Bearing 

保护: Protection:  

过温保护、堵转保护 Overtemperature protection/Lock-rotor protection

防护等级: IP55 Type of Protection: IP55

绝缘等级: F Motor Insulation Class: F

工作温度范围: -40～+65℃ Amb.Temp: -40～+65℃

特性曲线/PERFORMANCE CURVE