Motor voltage: 220-240V, 50/60Hz Motor is external rotor ,IP 44 with class F insulation Two speed motor Bearing : High quality ball bearing Thermal overload protection The scroll housing made of high quality ST14 steel The using ambient temperature : -30C ~ 60C Leather jacket is available to lower the noise and protect the powder coating Product Catalog : Inline Duct Fan MIF 250 Ask for Quote
