40A ESC with Heat Sink BEC

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40A ESC with Heat Sink BEC

Market Price: $43.99
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Quantity (1)

Availability 1 in stock
Weight 0.25 lbs
Manufacturer Blue Bird

40A ESC with Heat Sink BEC, Suitable for 2S-4S Airplane or Heli


  • Smooth forward operation
  • Extremely low resistance
  • 32KHz Frequency operation
  • P.O.R Power on reset
  • Easy user programmable features
  • Audible arming signal
  • Microprocessor Controlled
  • B.E.C: 5.0V / 3.0A
  • Programmable low volt cut off for Li-Po
  • Safe start protection
  • Micro size allows for ease of installation
  • Programmable motor rotation


Size:                                     61 x 21 x 13 mm

Weight:                                30.5 g

Max Continuous Current:    40 Amps

Operating Voltage Range:   6 to 15V

On Resistance:                    2.56 mOHM

Max BEC Output:                3 Amps @ 5.0V

     2S~4S Lithium, 6~12 Cell Ni, with Heat Sink



Watt-out-put limit: The output is rated at 388 watts. Under this watt, the speed controller will work normally. When the wattage reaches approximately 410~420, it will automatically shutdown to prevent the speed controller from overloading.

Temperature protection: When the temperature reaches 95 degrees C, the speed controller will slowdown and the output will reduce to 50% and the on board LED will turn on. You must move the throttle stick to idle position to reset the speed controller and will work once you throttle up again.


DO NOT install a motor which rating is larger than the speed control’s limit to avoid damage or burn down.


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