ClassA Motor
BLDC MotorTopband AE38 outer-rotor BLDC · Ø38 mm

AE3815

555.1 W, 18 V Ø38 mm BLDC motor from Topband Motor: 0.26 N·m rated at 20388 rpm.

Manufacturer datasheet: Topband Motor · AE3815 ↗ (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.

+ Add to compare

Ø38 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
555 W
Rated torque
0.26 N·m
Rated speed
20,388 rpm
Rated efficiency
78.8 %

Performance curves

Right axis:
05,00010,00015,00020,00025,00002040608010000.511.522.5Torque (N·m)Speed (rpm)Efficiency (%)Rated point
SpeedEfficiency (right axis)

Calculated with the linear DC-motor model (constant 18 V supply, ignoring resistance rise with temperature).

Full specifications

General

Motor type
BLDC Motor
Series
Topband AE38 outer-rotor BLDC

Rated Values

Rated torque
0.26 N·m
Rated speed
20,388 rpm

Performance

Stall torque
2.1 N·m
No-load speed
23,270 rpm

Electrical

Torque constant Kt
0.0073 N·m/A
Resistance
0.0618 Ω
Inductance
0.0927 mH
No-load current
3.52 A
Stall current
291 A

Mechanical

Rotor inertia
14 g·cm²
Body length
45.4 mm
Shaft diameter
6 mm
Weight
0.148 kg
Power density
3,751 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
ZM-BL24Z50SZemingBLDC18–32 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
BC2PC-090100-OPE/AZP MotorsBLDC, Servo18–90 V DC100 A / 200 AHall sensors, Incremental encoder, Absolute encoder

Related models