OverviewThe 16ZWC32L-1 is a compact 16 mm brushless DC motor with an optimized magnetic circuit and core winding. Its multipole rotor and core-wound stator provide high torque density and dynamic performance. No-load speed reaches up to 16,300 RPM, making it suitable for precision miniature applications.
Motor CharacteristicsMotor part number: 16ZWC32L-1
Body length (LT): 32 ±0.3 mm
Pole pairs: 2
Terminal resistance (Phase-Phase): 6.5 Ω
Terminal inductance (Phase-Phase): 0.78 mH
Winding connection: Star
Insulation class: B
Duty type: S2
Feedback: Hall sensors (120° commutation)
Insulation strength: 500VAC/1KHz/1mA/1s
Insulation resistance: 100 MΩ (20°C)
Weight: 25.5 g
Rated voltage: 24 V
Rated power: 9.2 W
Rated torque: 0.007 N·m
Rated speed: 12,600 RPM
Rated current: 0.65 A
No-load speed: 16,300 RPM
No-load current: 0.22 A
Motor efficiency: 71.6%
Cogging torque: 4.5 mN·m
Noise (ambient 20 dB, test distance 1 m): <50 dB
Enclosure-to-ambient thermal resistance: 0.9 K/W
Ambient reference temperature: 25 ℃
Maximum winding temperature: 68.5 ℃
Torque constant: 0.011 N·m/A
Back-EMF constant (effective): 1.25 V/Krpm
Peak torque: 0.021 N·m
Peak current: 1.95 A
Rotor inertia: 0.45 g·cm²
Dimensional Drawing - Lead-out wiringLead-out type: UL3265 AWG26
- Yellow: Hall U (Hu)
- Green: Hall V (Hv)
- Blue: Hall W (Hw)
- Red: Hall power + (Vcc)
- Black: Hall power − (GND)
- Gray: U phase
- White: V phase
- Brown: W phase
Torque Performance CurvesSpeed–torque curves are provided for the model (no-load speed up to 16,300 RPM). Curves help select the correct operating point for target torque and speed.
Options- Precision planetary gearbox
- Silent gearbox
Precision Planetary Gearbox — key dataStages: 1 / 2 / 3 / 4
Gear ratios (examples): 3.9, 5.3 / 16, 21, 28 / 62, 83, 111, 150 / 243, 326, 439, 590, 794
Max. backlash (°): 1.0 / 1.2 / 1.3 / 1.4
Max. continuous output power (W): 6.5 / 3.2 / 1.6 / 0.6
Max. peak output power (W): 8.0 / 4.0 / 2.0 / 0.75
Max. continuous input speed (rpm): 12000 / 14000 / 14000 / 14000
Max. peak input speed (rpm): 15000 / 18000 / 18000 / 18000
Max. continuous torque (N·m): 0.2 / 0.25 / 0.35 / 0.45
Max. peak torque (N·m): 0.25 / 0.35 / 0.45 / 0.55
Max. efficiency (%): 90 / 80 / 75 / 65
Weight (g): 25 / 31 / 37 / 42
Gearbox length L (mm): 18.7 / 25.5 / 30.2 / 35
Technical specifications- Model: 16ZWC32L-1
- Nominal diameter: 16 mm
- Body length (LT): 32 ±0.3 mm
- Pole pairs: 2
- Rated voltage: 24 V
- Rated power: 9.2 W
- Rated speed: 12,600 RPM
- No-load speed: 16,300 RPM
- Rated torque: 0.007 N·m
- Peak torque: 0.021 N·m
- Rated current: 0.65 A / No-load current: 0.22 A / Peak current: 1.95 A
- Terminal resistance: 6.5 Ω / Terminal inductance: 0.78 mH
- Torque constant: 0.011 N·m/A / Back-EMF constant: 1.25 V/Krpm
- Weight: 25.5 g
- Insulation class: B / Insulation resistance: 100 MΩ (20°C)
- Insulation strength: 500VAC/1KHz/1mA/1s
- Feedback: Hall sensors (120°)
- Cogging torque: 4.5 mN·m / Efficiency: 71.6%
- Operating reference temperature: 25 ℃ / Max winding temperature: 68.5 ℃