DualSky Ultra 40A ESC

Regular price$56.00
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Dualskys' high-end 40A 2-6S brushless speed controller. 

For Airplanes and Helicopters.


  • Super strong 5A UBEC
  • Failsafe BEC switch
  • Supports S.BUS 
  • Adjustable Governor Mode (Heli's)
  • Fully programmable
  • 32-bit ARM Processor
Dimensions 63x34x15.8mm
Weight w/o wire 52g
Number of Cells 2-6s Lipo
Continuous Current 40A
Burst Current 60A
Input Signal  PWM / SBUS
BEC Adjustable 5 - 7.4V @ 5A 
Receiver Filter Yes
Fail Safe Yes
Programming Method Throttle or Programming Card V3
High Response System Yes
Governor Mode Yes
Brake 5 step
Timing Adjustable
Soft Start 3 Steps
Acceleration  5 Steps
Low Voltage Cutoff Yes
Arming Sequence  Yes
Overheating Protection Yes
Water and Dust Proof Yes
Finned Heat Sink Yes
Protective Housing Yes
LED Indicator Yes
Input Wires 14AWG 150mm long
Output Wires 16AWG 75mm long
Signal Wire  JR Style Connector 300mm long
DualSky Ultra 40A ESC
DualSky Ultra 40A ESC
DualSky Ultra 40A ESC
DualSky Ultra 40A ESC