Overview30mm slotless brushless DC motor, model 30ZWWC65. Rated power 65 W and peak torque 1122.08 mN·m. Suitable for compact servo and precision motion-control applications where low cogging and smooth torque are required.
Motor characteristicsMotor part number: 30ZWWC65
Pole pair: 2
Terminal resistance, Phase-Phase: 0.5 Ω
Terminal inductance, Phase-Phase: 0.05 mH
Winding connection: Star
Insulation class: B
Duty type: S1
Feedback: Hall sensors
Commutation angle: 120°
Insulation strength (withstand voltage): 500 VAC / 1 kHz / 1 mA / 1 s
Insulation resistance: 100 MΩ / 500 VDC
Weight: 230 g
Rated voltage: 24 V
Rated power: 65 W
Rated torque: 90 mN·m
Rated speed: 6900 RPM
Rated current: 3.85 A
No-load speed: 9200 RPM
No-load current: 0.3 A
Efficiency: 86 %
Noise (ambient 20 dB, test distance 1 m): <50 dB
Thermal resistance: 7.4 K/W
Thermal time constant: 1000 s
Ambient temperature (reference): 20 ℃
Max. winding temperature: 55 ℃
Torque constant: 23.38 mN·m/A
Back-EMF constant (peak): 3.46 V/Krpm
Back-EMF constant (effective): 2.45 V/Krpm
Peak torque: 1122.08 mN·m
Peak current: 48 A
Rotor inertia: 28 g·cm²
Mechanical time constant: 2.56 ms
End bell: Stainless steel
Bearing: Deep groove ball bearing
Magnet: Sintered NdFeB
Rotation shaft: Carbon steel
Dimensional drawingDimensional drawings and product views are available on the product page for the 30 mm series (reference drawings and assembly views correspond to the model).
Torque performance curvesTorque vs. speed curves are provided for the 2 pole-pair configuration (graphs available on the product page).
Options- Precision Planetary Gearbox
- Silent Gearbox (low-noise planetary variant)
Precision Planetary Gearbox — typical dataStages: 1 / 2 / 3 / 4
Gear ratios: 3.9, 5.3 / 16, 21, 28 / 62, 83, 111, 150 / 243, 326, 439, 590, 794
Max. backlash: 0.5°, 0.6°, 0.7°, 0.75°
Max. continuous output power: 100 W, 50 W, 25 W, 8.0 W
Max. peak output power: 125 W, 62 W, 31 W, 10 W
Max. continuous input speed: 6000 rpm, 7000 rpm, 7000 rpm, 7000 rpm
Max. peak input speed: 7500 rpm, 8750 rpm, 8750 rpm, 8750 rpm
Max. continuous torque: 1.25 N·m, 2.90 N·m, 5.0 N·m, 5.0 N·m
Max. peak torque: 1.6 N·m, 3.6 N·m, 6.3 N·m, 6.3 N·m
Max. efficiency: 90 %, 81 %, 72 %, 65 %
Weight (typical): 103 g, 150 g, 174 g, 198 g
Gearbox length L (typical): 24.2 mm, 36.9 mm, 43.5 mm, 50.2 mm
Technical specifications- Product: 30 mm slotless BLDC motor (30ZWWC65)
- Rated power: 65 W
- Rated voltage: 24 V
- Rated torque: 90 mN·m
- Peak torque: 1122.08 mN·m
- Rated speed: 6900 RPM
- No-load speed: 9200 RPM
- Rated current: 3.85 A
- Peak current: 48 A
- Weight: 230 g
- Bearing: Deep groove ball bearing
- Magnet: Sintered NdFeB
- Winding connection: Star