double speed smoke exhaust fan motor
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This motor is designed for high heat firefighting smoke exhaust axial flow fan, it meet the standard of GB50045-95 (the fire prevention norm of high-rise building), it can continuous transport 300 degree high heat smoke for more than 30min, it must have independent cooling wind path, to isolate high heat smoke. Frame No:80-280 Power:0.06-45kw Rated voltage: 380V Efficiency: 50Hz Degree of protection: IP44 Degree of insulation: F Install type: B3 B5 etc
double speed smoke exhaust fan motor