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The SimonK 30A BLDC ESC is a speed controller for brushless DC motors in RC drones, quadcopters, multirotors, helicopters and fixed-wing aircraft. The page says the SimonK firmware provides faster throttle response and better flight stability.
The specification list gives 30A constant and 40A burst current, 2 to 3S LiPo compatibility, a 5V/2A BEC and a red colour. The built-in BEC removes the need for a separate receiver battery, and the page lists reverse polarity protection and a protected 5V receiver output line. This is the version without connectors, so you have to solder your own. The page showed it in stock at Rs 274 (SKU RS7311).
30A constant, 40A burst: as listed.
SimonK firmware: faster throttle response.
Built-in 5V/2A BEC: no separate receiver battery needed.
2 to 3S LiPo: as listed.
Reverse polarity protection: as listed.
Protected 5V output line: prevents damage from wiring errors.
An electronic speed controller (ESC) converts the throttle signal from the flight controller into the three-phase power that a brushless motor needs. It switches battery current through MOSFETs at high speed, so the motor turns at the speed that the pilot or autopilot asks for. The continuous current rating shows how much current the ESC can carry all the time, and the burst rating shows what it can survive for a few seconds.
Match the ESC to the rest of the power system. The battery cell count must fall inside the listed range, the continuous current must be higher than what your motor and propeller draw at full throttle, and the signal protocol (for example PWM, Oneshot, Multishot or DShot) must be supported by your flight controller. An ESC marked OPTO has no built-in BEC, so the receiver and flight controller need power from another source. An ESC with a BEC can supply a regulated voltage, usually 5V, to small electronics.
Install and test carefully. Solder joints must be clean and strong, the motor wires should be kept short and tidy, and the ESC needs airflow because current makes heat. Calibrate the throttle range if the ESC needs it, check the motor direction with the propellers removed, and never connect a battery with the propellers fitted while you are working on the wiring. Use a battery with a cell count and connector that suit the ESC, and check for a heat problem after a short test hover.
RC drones
Quadcopters and multirotors
Helicopters
Fixed-wing aircraft
Budget builds
Because it is sold without a connector, plan to solder your own battery and motor connectors.
The page lists a 2 to 3S range. Do not exceed it.
Constant current: 30A
Burst current: 40A
LiPo: 2 to 3S
BEC: 5V/2A
Colour: red
Connector: none supplied
1 x SimonK 30A BLDC ESC (without connector)
Budget builders who can solder their own connectors.
30A constant and 40A burst.
2 to 3S LiPo.
Yes, 5V at 2A.
No.
| Brand | Simonk |
|---|---|
| BEC Output | 5V/2A |
| Burst Current | 40.000000 A |
| Continuous Current | 30.000000 A |
| Selling unit | PCS |
