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The 40A ESC for Brushless Motors in Drones and RC Planes is a high-performance Electronic Speed Controller designed to provide smooth, precise, and reliable control of three-phase brushless DC (BLDC) motors used in multirotor drones, RC airplanes, fixed-wing aircraft, helicopters, boats, and other radio-controlled vehicles. Capable of delivering a continuous current of up to 40A, this ESC offers fast throttle response, high switching efficiency, and dependable motor control for demanding RC and aeromodelling applications. Its lightweight design, advanced protection features, and wide battery compatibility make it an excellent choice for hobbyists, drone builders, aeromodellers, and professional RC enthusiasts.
Built around a high-speed microcontroller and low-resistance MOSFET power stage, the 40A ESC efficiently converts throttle commands from the flight controller or RC receiver into precise three-phase motor drive signals. It supports proportional speed control, rapid acceleration, smooth startup, and stable motor operation across a wide RPM range. Advanced firmware ensures reliable motor commutation, reduced power losses, and improved efficiency, making the ESC suitable for high-performance brushless motors used in drones, RC aircraft, and electric propulsion systems.
The 40A ESC supports 2S to 4S Lithium Polymer (Li-Po) battery packs and features automatic throttle calibration, low-voltage protection, over-current protection, thermal protection, startup protection, and signal loss protection to improve operational safety. The compact PCB is covered with heat-shrink insulation for electrical protection while maintaining lightweight construction for aircraft applications. The ESC is compatible with standard PWM signals from RC receivers, flight controllers, Arduino, STM32, and other embedded control systems capable of generating servo PWM outputs.
Designed for students, hobbyists, drone builders, aeromodellers, engineers, researchers, and RC professionals, the 40A ESC is suitable for quadcopters, hexacopters, octocopters, RC airplanes, fixed-wing aircraft, RC boats, UAVs, robotics, educational projects, and DIY electronics. Its efficient power conversion, dependable motor control, and compact design make it an essential component for modern brushless motor-based propulsion systems.
40A Electronic Speed Controller
Designed for Brushless DC Motors
Suitable for Drones
Ideal for RC Airplanes
Compatible with Fixed-Wing Aircraft
Supports RC Helicopters
Suitable for RC Boats
Continuous Current Rating of 40A
Supports 2S to 4S Li-Po Batteries
High-Speed MOSFET Design
Fast Throttle Response
Smooth Motor Startup
Stable Motor Operation
High Conversion Efficiency
Low Power Loss
Automatic Throttle Calibration
Low Voltage Protection
Over-Current Protection
Thermal Protection
Signal Loss Protection
Startup Protection
PWM Signal Compatible
Lightweight Construction
Heat-Shrink Protected PCB
Easy Installation
Reliable Industrial Quality
Suitable for UAV Applications
Perfect for DIY Electronics
Ideal for Aeromodelling Projects
Long Service Life
Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.
