Model EFC1248DF 
 Size: 120 * 120 * 38 
 Voltage: DC48V, Operating voltage: 28.0 to 53.4V 
 Current: 0.33A 
 Air Volume: 200CFM / 5.7 cubic meters of 
 Power: 16W 
 Revolutions: 4000RPM applicable to the range of -40 degrees Celsius to +70 degrees Celsius 
 Fan Framework: Injection molding of PBT +30% glass fiber + VO grade flame retardant 
 Blades: Injection molding of PBT +30% glass fiber + VO grade flame retardant 
 Fan rotation: see from the fan direction is counterclockwise 
 Operating temperature: -40 ° C to +70 ° C 
 Storage Temperature: -40 ° C to +90 ° C 
 Bearings: high-precision ball bearings 
 Power supply range: Rated power of plus or minus 15% 
 Insulation resistance: more than 500 megohms 
 Withstanding voltage: Meeting the leakage current 0.5mA 500V / 1 minute 
 Working life: 80,000 hours in the ambient temperature of 25 degrees.