BLDC MotorT-MOTOR FPV / industrial FPV · Ø49 mm

T-MOTOR 4214 KV400

Name: T-MOTOR 4214 KV400
Brand: T-MOTOR

4214 400 KV drone motor from T-MOTOR for 6-12S: up to 4410 g thrust with a C13*10*3 prop.

Manufacturer datasheet: T-MOTOR · T-MOTOR 4214 KV400 ↗ (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 →

Ø49 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: 1.07 kW
Rated torque: 0.595 N·m
Rated speed: 17,096 rpm
Rated efficiency: 91.5 %

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: T-MOTOR FPV / industrial FPV
Frame / flange: Ø49 mm

Rated Values

Rated voltage: 44.4 V
Rated power: 1.07 kW
Rated torque: 0.595 N·m
Rated speed: 17,096 rpm
Rated current: 26.2 A

Performance

Stall torque: 16.7 N·m
No-load speed: 17,727 rpm
Rated efficiency: 91.5 %
Peak efficiency: 91.6 %

Electrical

Torque constant Kt: 0.0239 N·m/A
Back-EMF constant Ke: 2.5 V/krpm
Resistance: 0.0633 Ω
Inductance: 0.0949 mH
No-load current: 1.3 A
Stall current: 701 A
Poles: 14
Electrical time constant: 1.5 ms
Mechanical time constant: 0.578 ms

Mechanical

Rotor inertia: 52 g·cm²
Body length: 59 mm
Shaft diameter: 6 mm
Weight: 0.211 kg
Power density: 5,044 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-BL48Z30S	Zeming	BLDC	36–60 V DC	30 A	Hall sensors, Sensorless
DBL-30RS	Mayi Motor	BLDC	18–60 V DC	30 A	Hall sensors
BD30L□□1□	Stonker Motor	BLDC	24–48 V DC	30 A	Hall sensors
BD30L□□2□	Stonker Motor	BLDC	12–60 V DC	30 A	Sensorless
ZLAC8030L	ZLTECH	Servo, BLDC	24–48 V DC	30 A / 60 A	Incremental encoder, Hall sensors
ZLAC8030D	ZLTECH	Servo, BLDC	20–48 V DC	30 A / 60 A	Incremental encoder, Hall sensors, Absolute encoder