Product Data Sheet 6448/2TDHHP Product Data Sheet 6448/2TDHHP The engineer's choice
Product Data Sheet 6448/2TDHHP 6448/2TDHHP INDEX 1 General ............................................................................................................................................................... 3 2 Mechanics .......................................................................................................................................................... 3 2.1 2.2 3 Operating Data ..........................................................................................
Product Data Sheet 6448/2TDHHP 1 General Fan type Rotating direction looking at rotor Airflow direction Bearing system Mounting position - shaft 2 Mechanics 2.1 General Fan Counterclockwise Air outlet over struts Ball bearing Any Width Depth Diameter Mass Housing material Impeller material Max. torque when mounted across both mounting flanges Screw size 2.
Product Data Sheet 6448/2TDHHP 3 Operating Data 3.1 Electrical Interface - Input Control input PWM Features Inpute type PWM - Frequency Open collector typical: 2 kHz Characteristics Schematics PWM input transistorrequirements: UCEmax. => 12 V; I Sink max. > 5 mA; UCEsat. < 0,15 V Speed control: By Puls width modulation (PWM) 0 ...
Product Data Sheet 6448/2TDHHP Open collector in relation to signal-ground f = 2kHz +-20% Information to the curve: 0% - <=12% PWM: 0 1/min 13% - 90% PWM: linear increasing curve 90% - 100% PWM: 7.500 1/min (corresponding to max. speed) 13% PWM: 800 1/min (Fan on, comming from 0% PWM) 11% PWM: 600 1/min or 0 1/min (Fan off, comming from 100% PWM) 3.
Product Data Sheet 6448/2TDHHP 3.3 Electrical Interface - Output Tacho type Features Tacho operating voltage Tacho signal Low Tacho signal High Maximum sink current External resistor Tacho frequency Tacho isolated from motor Slew rate /2 (open collector) Note UBS US low US high Isink I sink: 2 mA I source: 0 mA Values <= 60 V <= 0,4 V <= 20 mA External resistor Ra from UBS to US required. All voltages measured to GND. (2 x n) / 60 No => 0,5 V/us n = revolutions per minute (1/min) 3.
Product Data Sheet 6448/2TDHHP Internal Fuse: Littlefuse NANO2(R) FUSE; Very fast acting 451 Series; 7 A (Art.-Nr.: 451007) 3.5 Data According ErP Directive Installation / Efficency category Speed control Specific ratio Target overall efficiency 2015 Overall efficiency Efficiency grade Power input Speed All values measured in optimum energy efficiency point. A / static integrated 1,00398 29,2 % 37,5 % 40 198,7 W 7.480 1/min Productiondatecode is printed on the fan label.
Product Data Sheet 6448/2TDHHP 3.6 Aerodynamics Measurement conditions: Measured with a double chamber intake rig acc. to DIN EN ISO 5801. Normal air density = 1,2 kg/m3; Temperature 23°C +/ - 3°C; In the intake and outlet area should not be any solid obstruction within 0,5 m. Motor shaft horizontal. The information is only valid under the specified test conditions and may be changed by the installation conditions.
Product Data Sheet 6448/2TDHHP 01/31/2019 page 9 of 12
Product Data Sheet 6448/2TDHHP 3.7 Sound Data Measurement conditions: Sound pressure level: 1 meter distance between microphone and the air intake. Sound power level: Acc. to DIN 45635 part 38 (ISO 10302) Measured in a semianchoic chamber with a background noise level of Lp(A) < 5 dB(A) For further measurement conditions see chapter aerodynamics. a.) Operation condition: 7.
Product Data Sheet 6448/2TDHHP 5 Safety 5.1 Electrical Safety Dielectric strength DIN EN 60950 (VDE 0805) and DIN EN 60335 (VDE 0700) A.) Type test Measuring conditions: After 48h of storage at 95% R.H. and 25°C. No arcing or breakdown is allowed! All connections together to ground. B.) Routine test Measuring conditions: At indoor climate. No arcing or breakdown is allowed! All connections together to ground. Isolation resistance Measuring conditions: After 48h of storage at 95% R.H.
