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High Torque 40 Pairs Poles 8108 44.4V 400W Outrunner Brushless DC Motor
High Torque 40 Pairs Poles 8108 44.4V 400W Outrunner Brushless DC Motor
High Torque 40 Pairs Poles 8108 44.4V 400W Outrunner Brushless DC Motor
High Torque 40 Pairs Poles 8108 44.4V 400W Outrunner Brushless DC Motor
High Torque 40 Pairs Poles 8108 44.4V 400W Outrunner Brushless DC Motor
High Torque 40 Pairs Poles 8108 44.4V 400W Outrunner Brushless DC Motor

High Torque 40 Pairs Poles 8108 44.4V 400W Outrunner Brushless DC Motor

Min.Order: 1
Product origin: Shenzhen, Guangdong, China
Infringement complaint: complaintComplaint
US$ 4500

Description





Features
  1. 40 pairs of poles hi-torque motor design; Precision engineered for maximum energy conversion; Precision balanced rotor, smoothness for best reliability and maximum RPM
  2. Multiple protection features: Low voltage cut-off protection, over-heat protection, throttle signal loss protection
  3. Long stable performance: No error time lasts long for 2700 hours at 24V voltage and 60A current working conditions.
  4. Satisfy National armed force standard, EMC, FCC,CE and so on.
  5. Suitable for industrial and specialized drones( Multi-rotor, fixed wings drones)
  6. Shaft: High hardness, long lifespan( Special stainless steel)
  7. Housing: 7075 series aerial professional high hardness aluminum alloy, more expensive than the 6000 series with low alloy hardness and the screw  easy to loose.
  8. Magnet: special permanent magnet with good performance and  unique heat resistance.
  9. Coil: High purity copper windings maximizes efficiency; Imported from Japan with good performance, high heat resistance; Adopt vertical varnish technology to make the wire thickness even;
  10. Bering: Imported(Not-refurbished)
  11. Iron core: Imported, unique silicon steel sheet. 
KWT-BLDC81 Series         Φ105×29.5          200W/400W
  Motor ParameterKWTBLDCKWTBLDC
 Motor Model 81106S811012S
  Values at nominal voltage  
 Rated voltageV22.244.4
Free LoadNo load speedrpm38274686
No load currentA0.93 0.65
At Max.EfficiencyMax. Efficiency%87.30%89.20%
Speedrpm36134454
CurrentA15.712.5
TorqueN.m0.80 1
At Max.OutputMax. outputW14372632
Speedrpm19142343
CurrentA133120
TorqueN.m7.210.7
At StallStall currentA264240
Stall torqueN.m1421.5
  Motor characteristic 
 Termianal resistancemΩ120260
 Torque constantg.cm/A556915
 KVrpm/V173106
Speed/Torque constantrpm/g.cm0.030.02



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