Compact cylindrical frame
The 30 mm motor diameter fits equipment with restricted installation space.
High torsional rigidity and constant torsional backlash over the entire gearbox service life ensure consistently high performance
High torque density thanks to high performance and short design
Highest quality standards for a long service life and extended maintenance intervals
The SP30ZWWC65 combines a slotless coreless rotor with Hall feedback and 120-degree electronic commutation. Its verified 24 V winding is designed for compact equipment requiring stable high-speed operation and precise control.
The 30 mm motor diameter fits equipment with restricted installation space.
The 24 V winding delivers a verified rated torque of 90 mN·m.
High rated speed supports responsive compact drive mechanisms.
| Parameter | Unit | 30ZWWC65 |
|---|---|---|
| Model | — | 30ZWWC65 |
| Pole pairs | — | 2 |
| Phase resistance | Ω | 0.5 |
| Phase inductance | mH | 0.05 |
| Winding connection | — | Star |
| Insulation class | — | B |
| Duty cycle | — | S1 |
| Feedback | — | Hall elements |
| Commutation angle | — | 120° |
| Dielectric strength | — | 500 VAC / 1 kHz / 1 mA / 1 s |
| Insulation resistance | — | 100 MΩ / 500 VDC |
| Weight | g | 230 |
| Rated voltage | V | 24 |
| Rated power | W | 65 |
| Rated torque | mN·m | 90 |
| Rated speed | rpm | 6,900 |
| Rated current | A | 3.85 |
| No-load speed | rpm | 9,200 |
| No-load current | A | 0.3 |
| Motor efficiency | % | 86 |
| Noise, ambient 20 dB at 1 m | dB | <50 |
| Housing-to-ambient thermal resistance, no load | K/W | 0.31 |
| Motor thermal time constant, no load | s | 1,200 |
| Ambient temperature | °C | 23 |
| Maximum winding temperature, no load | °C | 43.2 |
| Torque constant | mN·m/A | 23.38 |
| Back-EMF constant, peak | V/krpm | 3.46 |
| Back-EMF constant, RMS | V/krpm | 2.45 |
| Peak torque | mN·m | 1,122.08 |
| Peak current | A | 48 |
| Rotor inertia | g·cm² | 28 |
| Mechanical time constant | ms | 2.56 |
| End cap | — | Stainless steel |
| Bearing | — | Deep-groove ball bearing |
| Magnet | — | Sintered NdFeB |
| Shaft | — | Carbon steel |
| Parameter | 1 stage | 2 stages | 3 stages | 4 stages |
|---|---|---|---|---|
| Gear ratio, X:1 | 3.9, 5.3 | 16, 21, 28 | 62, 83, 111, 150 | 243, 326, 439, 590, 794 |
| Gearbox backlash | 0.5° | 0.6° | 0.7° | 0.75° |
| Maximum continuous output power | 100 W | 50 W | 25 W | 8 W |
| Maximum intermittent output power | 125 W | 62 W | 31 W | 10 W |
| Maximum continuous input speed | 6,000 rpm | 7,000 rpm | 7,000 rpm | 7,000 rpm |
| Maximum intermittent input speed | 7,500 rpm | 8,750 rpm | 8,750 rpm | 8,750 rpm |
| Maximum continuous torque | 1.25 N·m | 2.9 N·m | 5 N·m | 5 N·m |
| Maximum intermittent torque | 1.6 N·m | 3.6 N·m | 6.3 N·m | 6.3 N·m |
| Maximum efficiency | 90% | 81% | 72% | 65% |
| Reference gearbox weight | 103 g | 150 g | 174 g | 198 g |
| Gearbox length | 24.2 mm | 36.9 mm | 43.5 mm | 50.2 mm |



The slotless magnetic circuit avoids cogging-related torque pulsation, while low rotor inertia supports rapid acceleration and deceleration. Hall feedback provides rotor-position information for compatible brushless controllers.

Compact drive systems requiring precise and stable brushless rotation.
Responsive actuation for compact powered instrument mechanisms.
Efficient high-speed motion in space-constrained electromechanical products.
Smooth drive for laboratory, optical and measurement equipment.
Confirm the required torque-speed point, duty cycle, controller, thermal environment and gearbox ratio before final configuration.
Share the required speed, torque, voltage, duty cycle, controller and installation constraints for configuration support.
Review additional compact brushless coreless drive platforms.
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Short delivery times available for selected product configurations.
The TP+ HIGH TORQUE enables maximum torque density and maximum torsional rigidity—ideal for demanding applications with dynamic load changes and high positioning accuracy.
alpha Advanced Line gearboxes with increased durability and food-grade lubrication available.
The TP+ for coordinated pinion-rack systems for medium to high requirements. Typical areas of application in wood, plastic, and composite processing, in machining centers, or in automation.
With cynapse® and smart services, you can unleash the full potential of your drive system: sensor data is processed, visualized, and analyzed intelligently. Find out how the combination of gearboxes with cynapse® and our Smart Services can make your digital production faster, safer, and more efficient.