Emax BLHeli Series ESC 40A for Brushless Motor
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Prices updated: 14 Oct 2026
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About this product
An electronic speed controller (ESC) rated for 40 A, designed to drive brushless DC motors in drones, RC aircraft and other multirotor builds. It runs BLHeli series firmware for brushless motor control and is supplied as a standard Emax ESC for hobby and model applications.
Specifications
- Type
- Brushless motor ESC
- Rated current
- 40 A
- Firmware
- BLHeli series
- Application
- Brushless motors in drones and RC models
Frequently asked questions
How do I connect this ESC to a brushless motor?
Connect the three motor wires to the three ESC motor outputs, the signal wire to the throttle channel of your flight controller or receiver, and the battery leads to the main power input. Check polarity before powering up.
Can I use it with any brushless motor?
It is intended for brushless motors. Check that the motor current and your battery specification stay within the ESC's 40 A rating before connecting.
