[]:Delta[ Dimensions ]: 150 × 150 × 50mm[ Rated voltage ]: DC12V[ Voltage Range ]: DC8.0-14.0V[ Input Power ]: 1.80A ( nominal current )[ Rated speed ]: 3800 r.p.m[ Temperature Range ]: -10 - 70 ° C[ Life expectancy ]: 25 ° C when the life expectancy of 50,000 hours L10[ Bearings] : Maintenance- double ball bearing[ Rotation] : air discharged from the stent , in the face of the rotor counterclockwise rotation[ Wiring ] : + Red - Black signal: blue[ Maximum amount of wind ]: 440.0 m?3;; / h[ Motor Protection ] : overload , wrong level protection and stall protection locks flow[ Wind pressure ]: 123 Pa[ Noise index ]: 56.5 dB (A)[ Material Material ] : Glass fiber reinced plastic , PBT housing , PA blade[ Function Description ] : E external rotor DC fans, complete electronic commutation components