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The Fixed Wing
Electric Flight Specialists

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12A ESC (Brushless Electronic Speed Controller)


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Constant Current 12A
Burst Current 15A for 10 Seconds
Input Voltage Range 2-3 LiPo (6 - 12.6V DC)
BEC Voltage Range 2-3 LiPo (6 - 12.6V DC)
BEC Output 5.5V DC @ 2A (2-3 std analogue servos) SBEC
Weight (g) 15g (includes all wires and connectors)
Size (mm) 40mm x 18.5mm x 9.5mm (includes heatshrink)
Connectors supplied 3x 3.5mm Female connectors fitted on the motor side


  • Easy setting, easy operation using programming card.
  • Safe start-up system. The motor will not start no matter which position the throttle stick is when the battery is connected.
  • Automatic power cut-off. If the motor suddenly stops rotating or the radio signal is lost for more than 3 seconds, the power will automatically be cut off.
  • BEC provides power to receiver and servos (for ESC with BEC).
  • High rate switching Pulse Width Modulation (PWM): 16KHZ.
  • Over-heat protection. User set via the program card. 90°C - 140°C (7 choices)
  • Over-voltage protection.
  • Low-voltage cut-off. 2.9V - 3.5V User set via the program card (7 choices)
  • Timing mode; 0-30°(7 choices)
  • Break Strength is programmable via the program card (7 Choices)
  • Start up power is programmable via the program card (7 Choices)
  • Programming is very easy with the programming card.

Part Number Description Price Qty
4M-ESC12A35 12A Brushless Electronic Speed controller £13.95 Out of Stock
4M-PROGCARD Programming Card £9.50

User Instructions

ESC Programming Instructions
How to wire up a UBEC

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