HobbyStar F540 V2 4-Pole Brushless Motor, Temperature Protection

SKU: 374-17-CNF

Availability: In stock


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HobbyStar V2 motors and ESC's now include built-in temperature monitoring and thermal protection to protect your valuable electronics.  When paired with a compatible HobbyStar ESC, the user can set up the system to either reduce or completely cut off power if either the motor, or ESC temperature exceeds the programmed limit. Motors can be run without temperature port connected when paired with ESC's that do not offer temperature monitoring. 


F540 4-pole motor provides plenty of power in a beautiful design, and comes with pre-installed 4.0mm bullet connectors. 



  • 4-pole motor with 12-slot high-torque design
  • High-purity copper windings maximize efficiency
  • High-RPM ABEC5 oversized bearings
  • Precision balanced rotor for smooth operation and maximum RPM
  • Super-thin (0.35mm) stator laminations 


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
F540 3100 14 48A 4 1.6A 0.0324 820W 50,000 50 36 150 3.175 15 4.0mm gold
F540 3600 12 58A 4 2.0A 0.0214 820W 50,000 50 36 150 3.175 15 4.0mm gold
F540 3930 10 63A 4 2.2A 0.0191 820W 50,000 50 36 150 3.175 15 4.0mm gold
F540 4370 9 68A 4 3.5A 0.0198 820W 50,000 50 36 150 3.175 15 4.0mm gold


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