The B1020N series features compact 10mm BLDC motors with an inner rotor, slotless design, and sensorless operation. Optimized for precision drives, these motors offer reliable performance in medical equipment and industrial automation. Custom options include various shaft lengths, special coils, gear heads, and encoder integration for tailored applications.
| Parameter | Unit | B1020N01-393-7.4 | B1020N03-85-3.7 | B1020N05-382-7.4 |
|---|---|---|---|---|
| Voltage | V | 7.4 | 3.7 | 7.4 |
| Terminal resistance | Ω | 1.08 | 6.2 | 1.4 |
| No-load speed | rpm | 39300 | 8500 | 38200 |
| No-load current | A | 0.32 | 0.07 | 0.24 |
| Stall torque | mNm | 11.2 | 1.9 | 8.9 |
| Stall current | A | 6.85 | 0.6 | 5.3 |
| Nominal torque | mNm | 2.6 | 1.0 | 2.6 |
| Nominal speed | rpm | 30000 | 4300 | 27000 |
| Nominal current | A | 1.85 | 0.35 | 1.7 |
| Max. output power | W | 11.5 | 0.4 | 9.0 |
| Max. efficiency | % | 61 | 43 | 61 |
| Back-EMF constant | mV/rpm | 0.18 | 0.38 | 0.18 |
| Torque constant | mNm/A | 1.70 | 3.67 | 1.76 |
| KV Value | rpm/V | 5300 | 2290 | 5160 |
| Speed/torque gradient | rpm/mNm | 3500 | 4358 | 4290 |
| Rotor inertia | gcm² | 0.06 | 0.06 | 0.06 |
| Weight | g | 6.8 | 6.8 | 6.8 |
| Thermal resistance housing-ambient | K/W | 44 | 44 | 44 |
| Thermal resistance winding-housing | K/W | 10 | 10 | 10 |
| Thermal time constant motor | s | 124 | 124 | 124 |
| Thermal time constant winding | s | 119 | 119 | 119 |
| Operating temperature range | °C | -20~+100 | -20~+100 | -20~+100 |
| Thermal class of winding | °C | 155 | 155 | 155 |
| Axial play | mm | 0.012 | 0.012 | 0.012 |
| Radial play | mm | 0.008 | 0.008 | 0.008 |
| Axial load dynamic | N | 1 | 1 | 1 |
| Axial load static | N | 25 | 25 | 25 |
| Radial load at 3 mm from mounting face | N | 6.3 | 6.3 | 6.3 |
| No. of pole pairs | 1 | 1 | 1 | |
| Bearings | 2 sleeve bearings | 2 sleeve bearings | 2 sleeve bearings | |
| Protection class | IP | 20 | 20 | 20 |
| Commutation | Sensorless | Sensorless | Sensorless |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
| Parameter | Unit | B1020N01-393-7.4 |
|---|---|---|
| Voltage | V | 7.4 |
| Terminal resistance | Ω | 1.08 |
| No-load speed | rpm | 39300 |
| No-load current | A | 0.32 |
| Stall torque | mNm | 11.2 |
| Stall current | A | 6.85 |
| Nominal torque | mNm | 2.6 |
| Nominal speed | rpm | 30000 |
| Nominal current | A | 1.85 |
| Max. output power | W | 11.5 |
| Max. efficiency | % | 61 |
| Back-EMF constant | mV/rpm | 0.18 |
| Torque constant | mNm/A | 1.70 |
| KV Value | rpm/V | 5300 |
| Speed/torque gradient | rpm/mNm | 3500 |
| Rotor inertia | gcm² | 0.06 |
| Weight | g | 6.8 |
| Thermal resistance housing-ambient | K/W | 44 |
| Thermal resistance winding-housing | K/W | 10 |
| Thermal time constant motor | s | 124 |
| Thermal time constant winding | s | 119 |
| Operating temperature range | °C | -20~+100 |
| Thermal class of winding | °C | 155 |
| Axial play | mm | 0.012 |
| Radial play | mm | 0.008 |
| Axial load dynamic | N | 1 |
| Axial load static | N | 25 |
| Radial load at 3 mm from mounting face | N | 6.3 |
| No. of pole pairs | 1 | |
| Bearings | 2 sleeve bearings | |
| Protection class | IP | 20 |
| Commutation | Sensorless |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
| Parameter | Unit | B1020N03-85-3.7 |
|---|---|---|
| Voltage | V | 3.7 |
| Terminal resistance | Ω | 6.2 |
| No-load speed | rpm | 8500 |
| No-load current | A | 0.07 |
| Stall torque | mNm | 1.9 |
| Stall current | A | 0.6 |
| Nominal torque | mNm | 1.0 |
| Nominal speed | rpm | 4300 |
| Nominal current | A | 0.35 |
| Max. output power | W | 0.4 |
| Max. efficiency | % | 43 |
| Back-EMF constant | mV/rpm | 0.38 |
| Torque constant | mNm/A | 3.67 |
| KV Value | rpm/V | 2290 |
| Speed/torque gradient | rpm/mNm | 4358 |
| Rotor inertia | gcm² | 0.06 |
| Weight | g | 6.8 |
| Thermal resistance housing-ambient | K/W | 44 |
| Thermal resistance winding-housing | K/W | 10 |
| Thermal time constant motor | s | 124 |
| Thermal time constant winding | s | 119 |
| Operating temperature range | °C | -20~+100 |
| Thermal class of winding | °C | 155 |
| Axial play | mm | 0.012 |
| Radial play | mm | 0.008 |
| Axial load dynamic | N | 1 |
| Axial load static | N | 25 |
| Radial load at 3 mm from mounting face | N | 6.3 |
| No. of pole pairs | 1 | |
| Bearings | 2 sleeve bearings | |
| Protection class | IP | 20 |
| Commutation | Sensorless |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
| Parameter | Unit | B1020N05-382-7.4 |
|---|---|---|
| Voltage | V | 7.4 |
| Terminal resistance | Ω | 1.4 |
| No-load speed | rpm | 38200 |
| No-load current | A | 0.24 |
| Stall torque | mNm | 8.9 |
| Stall current | A | 5.3 |
| Nominal torque | mNm | 2.6 |
| Nominal speed | rpm | 27000 |
| Nominal current | A | 1.7 |
| Max. output power | W | 9.0 |
| Max. efficiency | % | 61 |
| Back-EMF constant | mV/rpm | 0.18 |
| Torque constant | mNm/A | 1.76 |
| KV Value | rpm/V | 5160 |
| Speed/torque gradient | rpm/mNm | 4290 |
| Rotor inertia | gcm² | 0.06 |
| Weight | g | 6.8 |
| Thermal resistance housing-ambient | K/W | 44 |
| Thermal resistance winding-housing | K/W | 10 |
| Thermal time constant motor | s | 124 |
| Thermal time constant winding | s | 119 |
| Operating temperature range | °C | -20~+100 |
| Thermal class of winding | °C | 155 |
| Axial play | mm | 0.012 |
| Radial play | mm | 0.008 |
| Axial load dynamic | N | 1 |
| Axial load static | N | 25 |
| Radial load at 3 mm from mounting face | N | 6.3 |
| No. of pole pairs | 1 | |
| Bearings | 2 sleeve bearings | |
| Protection class | IP | 20 |
| Commutation | Sensorless |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
