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ZTW 40A Brushless ESC

This ZTW 40A Programmable Brushless ESC is perfect for mid-size scale, sport or 3D airplanes. This ESC's internal BEC and low-voltage cutoff settings make it ideal for use with 2S (7.4V), 3S (11.1V), or 4S (14.8V) Li-Po batteries. Better yet, the ZTW 40A will auto-detect the number of lipo cells in your battery and set the appropriate cut-off voltage without any programming required.

All ZTW A-Series ESCs provide a variety enhanced performance and safety features, including super-smooth and accurate throttle linearity, extremely low internal resistance, auto throttle shutdown if signal is lost, thermal overload protection, and more. For users whose projects demand versatility, this ESC offers a variety of advanced programming options:

  • Motor Brake
  • Battery Type
  • Low Voltage Cutoff Threshold
  • Timing Setup
  • Soft Start
  • Governor Mode
  • Frequency
  • Low Voltage Cutoff Type


  • Maximum Current (Continuous/Burst): 40A/50A
  • Cell Count:
    • Lipo: 2-4
    • NiMH/NiCd: 5-12
  • Weight: 34g
  • Dimensions: 25 x 72 x 6mm
View the product manual