FEETECH SM-120B-C003 24 V Modbus-RTU Smart Servo is an official FEETECH 24 V Modbus-RTU smart servo with a brushless motor, steel gearbox and integrated RS-485 control board. Specifications below are transcribed or explicitly converted from the official English product-page data.
Standard specifications
| Product model | SM-120B-C003 |
|---|---|
| Motor type | Brushless smart servo with integrated RS-485 control board |
| Rated voltage | 24 V |
| Rated torque | 3.92 Nm (manufacturer-listed 40 kgf·cm at 24 V; converted) |
| Peak torque | 11.77 Nm (manufacturer-listed 120 kgf·cm stall torque at 24 V; converted) |
| Encoder type | 12-bit high-precision magnetic encoder |
| Communication protocol | Modbus-RTU over RS-485 |
| Dimensions | 78 × 43 × 65.5 mm |
| Weight | 0.485 kg (485 g) |
| Operating temperature | −20 to 80 °C |
| Encoder resolution | 12 bit; 4096 counts per revolution |
Additional manufacturer-listed data
| No-load speed | 50 rpm at 24 V (manufacturer explicitly labels this no-load speed; not represented as rated speed). |
|---|---|
| Gearbox | Steel gearbox, 232:1 ratio. |
| Control and feedback features | 360° angle control, multi-turn operation, soft start/stop, one-key midpoint setting; feedback includes position, speed, voltage, current, temperature and load; overload and over-current protection. |
| Source-data caveats | The source lists rated current as malformed text “1000mm≤”; it is intentionally omitted. Rated power and rated speed are not stated on the checked official page. |
Source: FEETECH official English product page.
