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Item may not be exactly as shown as the manufacturer changes the covering frequently

Favourite 30A Brushless Electronic Speed Controller

 ESC stands for Electronic Speed Controller.  It is an electronic motor controller which controls the speed, direction and possibly braking of a motor.

BEC stands for Battery Eliminator Circuit.  In radio control contexts, the BEC is extra circuitry on the ESC to provide power to the controls (such as steering, servos, receivers) to the controlled vehicle so that this control circuitry does not need to carry it's own battery pack.  That is, it piggy backs on the battery pack used to drive the motors of the vehicle or in other words, the motor and servos share the same battery pack.

SBEC usually stands for Switching Battery Eliminator Circuit.  SBEC's are improved versions of BECs as the circuitry uses battery power more efficiently.



Output: continuous 30A, Burst 40A up to 10 seconds

Input voltage: 2-3 cells lithium battery or 5-9 cells NiCd/NiMh battery

BEC: 2.0A/ 5 V Linear mode BEC

Max Speed: 210000rpm for 2 Poles BLM, 60000rpm for 6 poles,

35000rpm for 12 poles BLM (BLM = BrushLess Motor)

Size: 42mm*25mm*8mm

Weight: 23 grams


Suitable for:

- used for EP (Electric Powered) 400 class fixed-wing sport airplane

- small sized multicopter


BEEP 1 Short 2 Short 3 Short
Brake Off On  
Battery Type NiMh/NiCd Li-ion/NiCd  
Cutoff Mode Reduce Cut-off  
Cutoff Threshold Low Medium  High
Motor Timing Low Medium            High                  
Start up Acceleration          Very Soft            Soft Normal
Governor Mode RPM Off RPM On  
Motor Rotation Forward Reverse  
Default Setting Restore    


How to use a Servo Tester with your ESC