ClassA Motor
BLDC MotorTopband AE49 outer-rotor BLDC · Ø49.5 mm

AE4916

358.1 W, 40 V Ø49.5 mm BLDC motor from Topband Motor: 0.19 N·m rated at 18000 rpm.

Manufacturer datasheet: Topband Motor · AE4916 ↗ (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: torque constant (fitted to the rated point), resistance (fitted to the rated point), inductance, rotor inertia, insulation class, IP rating.

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Ø49.5 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
358 W
Rated torque
0.19 N·m
Rated speed
18,000 rpm
Rated efficiency
74.6 %

Performance curves

Right axis:
05,00010,00015,00020,000020406080100012345Torque (N·m)Speed (rpm)Efficiency (%)Rated point
SpeedEfficiency (right axis)

Calculated with the linear DC-motor model (constant 40 V supply, ignoring resistance rise with temperature).

Full specifications

General

Motor type
BLDC Motor
Series
Topband AE49 outer-rotor BLDC

Rated Values

Rated torque
0.19 N·m
Rated speed
18,000 rpm

Performance

Stall torque
4.12 N·m
No-load speed
18,870 rpm

Electrical

Resistance
0.192 Ω
Inductance
0.288 mH
No-load current
2.5 A
Stall current
209 A

Mechanical

Rotor inertia
63 g·cm²
Body length
71.9 mm
Shaft diameter
7 mm
Weight
0.245 kg
Power density
1,462 W/kg

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
APD-12D80-CALTETechServoBLDC, Servo, DC20–90 V DC12 A / 36 AIncremental encoder, Hall sensors, Sensorless
APS-12D80-RALTETechServoBLDC, Servo, DC18–80 V DC12 A / 36 AIncremental encoder, Hall sensors, Sensorless
ZM-BL4815FZemingBLDC18–50 V DC15 AHall sensors, Sensorless
DBL-15RSMayi MotorBLDC18–60 V DC15 AHall sensors
DBL4815RSMayi MotorBLDC18–55.2 V DC15 A / 50 A
BD15L□□2□Stonker MotorBLDC12–60 V DC15 ASensorless

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