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The RD A-Series ESCs are next-generation Electronic Speed Controller (ESC) engineered for ultra-smooth, highly efficient, and whisper-quiet motor control. Powered by advanced Field Oriented Control (FOC) technology to deliver unparalleled precision, maximizing torque even at exceptionally low speeds. Housed in a premium, CNC-machined aluminium enclosure, it offers superior heat dissipation and rugged protection against harsh environmental conditions, making it the ultimate choice for high-performance applications.
|  S. No. | Parameter |  Requirement | Remark |
| 1 | Â Input Voltage(S) | 4S~12S LiPo | |
| 2 | Recommended Continuous current(A) | 75A | Tested at ambient temperature 30.2 ℃ at air speed of 12.5 m/sec |
| 3 | Peak current(<120s) | 120A | Tested at ambient temperature 29.7 ℃ at air speed of 12.5 m/sec |
| 4 | BECÂ | No | – |
| 5 |  Operating ambient temperature(℃) | (-20℃) ~(+ 65℃) | ±5℃ |
| 6 |  Operating humidity(%) |  15% ~ 85%RH | ±5%RH |
| 7 |  Standby current (at 48V) | ≤ 80mA | – |
| 8 | PWM range | 1050us ~ 1900us | – |
| 9 | Recommended PWM frequency | Â 50 ~ 450Hz | – |
| 10 | Driving method | Â PWM & CAN | – |
| 11 | ESC Telemetry | Over CAN only | Voltage, Current, Motor RPM, PCB Temperature, Fault status |
| 12 | Input Signal Isolation | Yes (PWM only) | |
| 13 | Braking Feature | Yes | |
| 14 | Invert Motor spin | Yes | Using CAN |
| Dimensions | 103 x 50 x 24 mm |
| Weight (Inc. wires) | 222g |