The HobbyStar 540 4-pole brushless, sensorless motor is perfect where a high-torque, high-performance powerplant is required.  A beautifully machined T6 billet-aluminum housing contains a 4-pole, 12-slot high-torque rotor spinning on High-RPM ABEC5 oversized bearings for a powerful, reliable motor choice for your 1/10 scale vehicle.  Comes with motor leads with 4.0mm bullet connectors already installed. Available in a wide variety of KV ratings.

Features:

  • 4-pole 12-slot high-torque design
  • CNC machined 6061 T6 billet aluminum can
  • High-purity copper windings maximize efficiency
  • High-RPM ABEC5 oversized bearings
  • Precision balanced rotor for smooth operation and maximum RPM
  • Super-thin (0.2mm) stator laminations 
  • Removable/replaceable rotor
  • Precision Engineered for maximum energy conversion

Product KV (RPM/Volt) Max Voltage Max Amps Rotor Poles IO Resistance Watts Max RPM Length (mm) Diameter (mm) Weight (g) Shaft Diameter (mm) Shaft Length (mm) Connectors
540/3Y 3100 3S 56A 4 1.4A 0.0116 900W 50,000 50 36 180 3.175 15 4.0mm gold
540/4.5T 3900 2S 69A 4 2.0A 0.0081 900W 50,000 50 36 180 3.175 15 4.0mm gold
540/4T 4300 2S 75A 4 2.7A 0.0075 900W 50,000 50 36 180 3.175 15 4.0mm gold
540/3.5T 5200 2S 94A 4 3.7A 0.0051 900W 50,000 50 36 180 3.175 15 4.0mm gold
540/3T 5800 2S 107A 4 5.2A 0.0043 900W 50,000 50 36 180 3.175 15 4.0mm gold
540 Sensorless Motor Manual  - Click on link to view the file, or right-click (control-click on a Mac) the link and choose “Save Link As...” to save the file to your computer.