BLDC MotorHobbywing XRotor multirotor / agricultural motors · Ø58 mm

XRotor M5208 Light 340KV

Name: XRotor M5208 Light 340KV
Brand: Hobbywing

5208 340 KV drone motor from Hobbywing for 6S LiPo: up to 4600 g thrust with a MSC 19x5.7 /MSC 18x6.1/ MSC 17x5.8 prop.

Manufacturer datasheet: Hobbywing · XRotor M5208 Light 340KV ↗ (checked 2026-10-18)Maker profile & contacts →

Figures are copied from the maker’s published datasheet; curves are calculated from them. Confirm with the manufacturer before ordering. Not stated on the datasheet, estimated from it: rated point (estimated from KV, voltage and maximum current), inductance, rotor inertia, insulation class, IP rating.

Applications:Drones & UAV

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How this motor is made

Full manufacturing overview: 70 mm Outer-rotor BLDC Motor →

Ø58 mm frame; built with the same process as the 70 mm outer-rotor reference series.

Assembly steps: 12
Equipment types: 14
BOM lines: 13
PRD suppliers: 85

1. Stator lamination stamping & interlocking
2. Stator powder coating
3. Outer-stator winding
4. Terminal soldering
5. Stator in-process test
6. Trickle impregnation (optional)
7. Stator mounting & Hall board
8. Rotor cup assembly
9. Magnetizing
10. Rotor balancing
11. Final assembly
12. End-of-line test

Export certification: Low-voltage motor without electronics

Rated power: 228 W
Rated torque: 0.296 N·m
Rated speed: 7,342 rpm
Rated efficiency: 85.2 %

Performance curves

Right axis:

SpeedEfficiency (right axis)

Calculated with the linear DC-motor model (constant 22.2 V supply, ignoring resistance rise with temperature).

Full specifications

General

Motor type: BLDC Motor
Series: Hobbywing XRotor multirotor / agricultural motors
Frame / flange: Ø58 mm

Rated Values

Rated voltage: 22.2 V
Rated power: 228 W
Rated torque: 0.296 N·m
Rated speed: 7,342 rpm
Rated current: 12 A

Performance

Stall torque: 12.4 N·m
No-load speed: 7,522 rpm
Rated efficiency: 85.2 %
Peak efficiency: 88.7 %

Electrical

Torque constant Kt: 0.0281 N·m/A
Back-EMF constant Ke: 2.94 V/krpm
Resistance: 0.0503 Ω
Inductance: 0.0754 mH
No-load current: 1.5 A
Stall current: 441 A
Poles: 28
Electrical time constant: 1.5 ms
Mechanical time constant: 0.325 ms

Mechanical

Rotor inertia: 51 g·cm²
Body length: 29.7 mm
Shaft diameter: 4 mm
Weight: 0.154 kg
Power density: 1,480 W/kg
Insulation class: B
Protection: IP40

Compatible drivers

All drivers →

Drivers whose supply voltage covers this motor and whose continuous current is at least its rated current; drivers from the same maker first. Confirm Hall/encoder type and settings with the maker.

Model	Maker	Motor type	Supply	Cont. / peak current	Feedback
APD-12D80-CALTE	TechServo	BLDC, Servo, DC	20–90 V DC	12 A / 36 A	Incremental encoder, Hall sensors, Sensorless
APS-12D80-RALTE	TechServo	BLDC, Servo, DC	18–80 V DC	12 A / 36 A	Incremental encoder, Hall sensors, Sensorless
ZM-BL4815F	Zeming	BLDC	18–50 V DC	15 A	Hall sensors, Sensorless
DBL-15RS	Mayi Motor	BLDC	18–60 V DC	15 A	Hall sensors
DBL4815RS	Mayi Motor	BLDC	18–55.2 V DC	15 A / 50 A
BD15L□□2□	Stonker Motor	BLDC	12–60 V DC	15 A	Sensorless