ClassA Motor
BLDC MotorT-MOTOR Navigator MN · Ø42.5 mm

MN3515 KV400

3515 400 KV drone motor from T-MOTOR for 4-8S: up to 2830 g thrust with a 16*5.4CF prop.

Manufacturer datasheet: T-MOTOR · MN3515 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 →

Ø42.5 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. 1. Stator lamination stamping & interlocking
  2. 2. Stator powder coating
  3. 3. Outer-stator winding
  4. 4. Terminal soldering
  5. 5. Stator in-process test
  6. 6. Trickle impregnation (optional)
  7. 7. Stator mounting & Hall board
  8. 8. Rotor cup assembly
  9. 9. Magnetizing
  10. 10. Rotor balancing
  11. 11. Final assembly
  12. 12. End-of-line test

Export certification: Low-voltage motor without electronics

Rated power
956 W
Rated torque
0.907 N·m
Rated speed
10,063 rpm
Rated efficiency
84.3 %

Performance curves

Right axis:
02,5005,0007,50010,00012,50002040608010002468Torque (N·m)Speed (rpm)Efficiency (%)Rated point
SpeedEfficiency (right axis)

Calculated with the linear DC-motor model (constant 29.6 V supply, ignoring resistance rise with temperature).

Full specifications

General

Motor type
BLDC Motor
Series
T-MOTOR Navigator MN
Frame / flange
Ø42.5 mm

Rated Values

Rated voltage
29.6 V
Rated power
956 W
Rated torque
0.907 N·m
Rated speed
10,063 rpm
Rated current
38.3 A

Performance

Stall torque
6.08 N·m
No-load speed
11,826 rpm
Rated efficiency
84.3 %
Peak efficiency
93.3 %

Electrical

Torque constant Kt
0.0239 N·m/A
Back-EMF constant Ke
2.5 V/krpm
Resistance
0.116 Ω
Inductance
0.174 mH
No-load current
0.3 A
Stall current
255 A
Poles
14
Electrical time constant
1.5 ms
Mechanical time constant
0.326 ms

Mechanical

Rotor inertia
16 g·cm²
Body length
34.5 mm
Shaft diameter
4 mm
Weight
0.183 kg
Power density
5,223 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.

ModelMakerMotor typeSupplyCont. / peak currentFeedback
ZM-BL24Z50SZemingBLDC18–32 V DC50 AHall sensors, Sensorless
ZM-BL48Z50SZemingBLDC24–72 V DC50 AHall sensors, Sensorless
MBH24100MINE MotorBLDC17–32 V DC50 A / 100 AHall sensors
DEPC-09075-OPEAZP MotorsBLDC, Servo18–90 V DC52 A / 105 AHall sensors, Incremental encoder, Absolute encoder
DCPC-090100-OPEZP MotorsBLDC, Servo18–90 V DC70 A / 140 AHall sensors, Incremental encoder
BCPC-09070-OPE/AZP MotorsBLDC, Servo18–90 V DC70 A / 140 AHall sensors, Incremental encoder, Absolute encoder

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