AE4925
623.1 W, 72 V Ø49.5 mm BLDC motor from Topband Motor: 0.34 N·m rated at 17500 rpm.
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.
How this motor is made
Full manufacturing overview: 70 mm Outer-rotor BLDC Motor →Ø49.5 mm frame; built with the same process as the 70 mm outer-rotor reference series.
- 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
- 623 W
- Rated torque
- 0.34 N·m
- Rated speed
- 17,500 rpm
- Rated efficiency
- 82.4 %
Performance curves
Calculated with the linear DC-motor model (constant 72 V supply, ignoring resistance rise with temperature).
Full specifications
General
- Motor type
- BLDC Motor
- Series
- Topband AE49 outer-rotor BLDC
- Frame / flange
- Ø49.5 mm
Rated Values
- Rated voltage
- 72 V
- Rated power
- 623 W
- Rated torque
- 0.34 N·m
- Rated speed
- 17,500 rpm
- Rated current
- 10.5 A
Performance
- Stall torque
- 10.3 N·m
- No-load speed
- 18,100 rpm
- Rated efficiency
- 82.4 %
- Peak efficiency
- 85.7 %
Electrical
- Torque constant Kt
- 0.0378 N·m/A
- Back-EMF constant Ke
- 3.96 V/krpm
- Resistance
- 0.264 Ω
- Inductance
- 0.396 mH
- No-load current
- 1.5 A
- Stall current
- 273 A
- Electrical time constant
- 1.5 ms
- Mechanical time constant
- 1.31 ms
Mechanical
- Rotor inertia
- 71 g·cm²
- Body length
- 80.7 mm
- Shaft diameter
- 5 mm
- Weight
- 0.32 kg
- Power density
- 1,947 W/kg
- 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 |
|---|---|---|---|---|---|
| DCPC-09016-OPE | ZP Motors | BLDC, Servo | 18–90 V DC | 11 A / 33 A | Hall sensors, Incremental encoder |
| APD-12D80-CALTE | TechServo | BLDC, Servo, DC | 20–90 V DC | 12 A / 36 A | Incremental encoder, Hall sensors, Sensorless |
| APS-12D80-RALTE | TechServo | BLDC, Servo, DC | 18–80 V DC | 12 A / 36 A | Incremental encoder, Hall sensors, Sensorless |
| ADM-15D80-CALT | TechServo | BLDC, Servo, DC | 14–80 V DC | 15 A / 30 A | Incremental encoder, Absolute encoder, Hall sensors |
| ADM-15D80-EALT | TechServo | BLDC, Servo, DC | 14–80 V DC | 15 A / 30 A | Incremental encoder, Absolute encoder, Hall sensors |
| DEPC-09024-OPEA | ZP Motors | BLDC, Servo | 18–90 V DC | 16 A / 35 A | Hall sensors, Incremental encoder, Absolute encoder |