BLDC MotorHobbywing XRotor multirotor / agricultural motors · Ø68.7 mm

XRotor M6208 Light 155KV

Name: XRotor M6208 Light 155KV
Brand: Hobbywing

6208 155 KV drone motor from Hobbywing for 12S.

Manufacturer datasheet: Hobbywing · XRotor M6208 Light 155KV ↗ (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), resistance (fitted to the rated point), inductance, rotor inertia, weight, 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 →

Ø68.7 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: 253 W
Rated torque: 0.369 N·m
Rated speed: 6,548 rpm
Rated efficiency: 82.5 %

Performance curves

Right axis:

SpeedEfficiency (right axis)

Calculated with the linear DC-motor model (constant 44.4 V supply, ignoring resistance rise with temperature).

Full specifications

General

Motor type: BLDC Motor
Series: Hobbywing XRotor multirotor / agricultural motors
Frame / flange: Ø68.7 mm

Rated Values

Rated voltage: 44.4 V
Rated power: 253 W
Rated torque: 0.369 N·m
Rated speed: 6,548 rpm
Rated current: 6.91 A

Performance

Stall torque: 8.73 N·m
No-load speed: 6,838 rpm
Rated efficiency: 82.5 %
Peak efficiency: 84.6 %

Electrical

Torque constant Kt: 0.0616 N·m/A
Back-EMF constant Ke: 6.45 V/krpm
Resistance: 0.311 Ω
Inductance: 0.467 mH
No-load current: 0.92 A
Stall current: 143 A
Poles: 28
Electrical time constant: 1.5 ms
Mechanical time constant: 0.689 ms

Mechanical

Rotor inertia: 84 g·cm²
Body length: 25.8 mm
Weight: 0.44 kg
Power density: 575 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
ZM-BL4810F	Zeming	BLDC	18–50 V DC	10 A	Hall sensors, Sensorless
ZM-BL48D10	Zeming	BLDC	18–50 V DC	10 A	Hall sensors, Sensorless
ZM-BL4810K	Zeming	BLDC	18–50 V DC	10 A	Hall sensors, Sensorless
DBL-4820R	Mayi Motor	BLDC	27–56 V DC	10 A
DBL-10RS	Mayi Motor	BLDC	12–60 V DC	10 A	Hall sensors
NU-BL5010-01	Nuelectronics	BLDC	18–50 V DC	10 A / 15 A	Hall sensors, Sensorless, Open loop, Closed loop