SF28080
Size: 280x280x80mm
Voltage: 24-48VAC, 110-120VAC, 220-240VAC
Frequency: 50Hz, 60Hz and 50/60Hz
Bearing: Ball bearing 
Connection: Terminals 
Material: Alu frame, steel blades, copper coil. 
Color: Black or silver
Package: 54*33*33.5cm,5PCS/Carton,15kgs

Information:

Motor: External rotor motor structure. Impedance protect
Frame: Aluminium die-casting, surfaces is finished by anti-corrosion treatment with primary color or black electrophoresis anti-corrosion treatment
Impeller: Metal impellers are welded to motor rotor, and surface is finished by black electrophoresis anti-corrosion treatment
Operation Temperature/Humidity Range: Temperature -30ºC ~ +90ºC Humidity 0% ~ 95%
Protection: Motor Internal with automatic recovery thermal protector
Withstand Voltage: AC1800V, 1min at 0.5mA, 50/60Hz
insulting system: Design according to IEC61858 Grade F
Protecting Grade: IP44
Rotation Direction of Blades: CCW seen from the front impellers
Unit Weight: 2.8kg