The BO2824N2B series features compact 28mm outer rotor BLDC motors with sensorless control, optimized for high efficiency and reliable performance. Designed for UAVs, automation equipment, electrical tools, and smart home devices, this motor family offers customizable shaft lengths, special coils, gear heads, bearing types, and feedback options such as hall-sensors or encoders.
| Parameter | Unit | BO2824N2B01-98-12.0 | BO2824N2B02-98-24.0 | BO2824N2B03-98-36.0 |
|---|---|---|---|---|
| Voltage | V | 12.0 | 24.0 | 36.0 |
| Terminal resistance | Ω | 0.18 | 0.74 | 1.62 |
| No-load speed | rpm | 9800 | 9800 | 9800 |
| No-load current | A | 0.37 | 0.19 | 0.12 |
| Stall torque | mNm | 752 | 749 | 769 |
| Stall current | A | 65.2 | 32.7 | 22.2 |
| Nominal torque | mNm | 79.9 | 75.5 | 73.2 |
| Nominal speed | rpm | 7430 | 8040 | 8040 |
| Nominal current | A | 6.9 | 3.3 | 2.2 |
| Max. output power | W | 193 | 194 | 198 |
| Max. efficiency | % | 85.5 | 85.3 | 86.1 |
| Back-EMF constant | mV/rpm | 1.2 | 2.4 | 3.6 |
| Torque constant | mNm/A | 11.6 | 23.1 | 34.8 |
| KV Value | rpm/mNm | 819 | 412 | 273 |
| Speed/torque gradient | rpm/mNm | 13.1 | 13.2 | 12.8 |
| Rotor inertia | gcm² | 27 | 27 | 27 |
| Weight | g | 47 | 47 | 47 |
| Thermal resistance housing-ambient | K/W | 2 | 2 | 2 |
| Thermal resistance winding-housing | K/W | 2 | 2 | 2 |
| Thermal time constant motor | s | 290 | 290 | 290 |
| Thermal time constant winding | s | 41 | 41 | 41 |
| Operating temperature range | °C | -40~+120 | -40~+120 | -40~+120 |
| Thermal class of winding | °C | 180 | 180 | 180 |
| Axial play | mm | 0.014 | 0.014 | 0.014 |
| Radial play | mm | 0.008 | 0.008 | 0.008 |
| Axial load dynamic | N | 5 | 5 | 5 |
| Axial load static | N | 80 | 80 | 80 |
| Radial load at 3 mm from mounting face | N | 29 | 29 | 29 |
| No. of pole pairs | 7 | 7 | 7 | |
| Bearings | 2 ball bearings | 2 ball bearings | 2 ball 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 | BO2824N2B01-98-12.0 |
|---|---|---|
| Voltage | V | 12.0 |
| Terminal resistance | Ω | 0.18 |
| No-load speed | rpm | 9800 |
| No-load current | A | 0.37 |
| Stall torque | mNm | 752 |
| Stall current | A | 65.2 |
| Nominal torque | mNm | 79.9 |
| Nominal speed | rpm | 7430 |
| Nominal current | A | 6.9 |
| Max. output power | W | 193 |
| Max. efficiency | % | 85.5 |
| Back-EMF constant | mV/rpm | 1.2 |
| Torque constant | mNm/A | 11.6 |
| KV Value | rpm/mNm | 819 |
| Speed/torque gradient | rpm/mNm | 13.1 |
| Rotor inertia | gcm² | 27 |
| Weight | g | 47 |
| Thermal resistance housing-ambient | K/W | 2 |
| Thermal resistance winding-housing | K/W | 2 |
| Thermal time constant motor | s | 290 |
| Thermal time constant winding | s | 41 |
| Operating temperature range | °C | -40~+120 |
| Thermal class of winding | °C | 180 |
| Axial play | mm | 0.014 |
| Radial play | mm | 0.008 |
| Axial load dynamic | N | 5 |
| Axial load static | N | 80 |
| Radial load at 3 mm from mounting face | N | 29 |
| No. of pole pairs | 7 | |
| Bearings | 2 ball 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 | BO2824N2B02-98-24.0 |
|---|---|---|
| Voltage | V | 24.0 |
| Terminal resistance | Ω | 0.74 |
| No-load speed | rpm | 9800 |
| No-load current | A | 0.19 |
| Stall torque | mNm | 749 |
| Stall current | A | 32.7 |
| Nominal torque | mNm | 75.5 |
| Nominal speed | rpm | 8040 |
| Nominal current | A | 3.3 |
| Max. output power | W | 194 |
| Max. efficiency | % | 85.3 |
| Back-EMF constant | mV/rpm | 2.4 |
| Torque constant | mNm/A | 23.1 |
| KV Value | rpm/mNm | 412 |
| Speed/torque gradient | rpm/mNm | 13.2 |
| Rotor inertia | gcm² | 27 |
| Weight | g | 47 |
| Thermal resistance housing-ambient | K/W | 2 |
| Thermal resistance winding-housing | K/W | 2 |
| Thermal time constant motor | s | 290 |
| Thermal time constant winding | s | 41 |
| Operating temperature range | °C | -40~+120 |
| Thermal class of winding | °C | 180 |
| Axial play | mm | 0.014 |
| Radial play | mm | 0.008 |
| Axial load dynamic | N | 5 |
| Axial load static | N | 80 |
| Radial load at 3 mm from mounting face | N | 29 |
| No. of pole pairs | 7 | |
| Bearings | 2 ball 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 | BO2824N2B03-98-36.0 |
|---|---|---|
| Voltage | V | 36.0 |
| Terminal resistance | Ω | 1.62 |
| No-load speed | rpm | 9800 |
| No-load current | A | 0.12 |
| Stall torque | mNm | 769 |
| Stall current | A | 22.2 |
| Nominal torque | mNm | 73.2 |
| Nominal speed | rpm | 8040 |
| Nominal current | A | 2.2 |
| Max. output power | W | 198 |
| Max. efficiency | % | 86.1 |
| Back-EMF constant | mV/rpm | 3.6 |
| Torque constant | mNm/A | 34.8 |
| KV Value | rpm/mNm | 273 |
| Speed/torque gradient | rpm/mNm | 12.8 |
| Rotor inertia | gcm² | 27 |
| Weight | g | 47 |
| Thermal resistance housing-ambient | K/W | 2 |
| Thermal resistance winding-housing | K/W | 2 |
| Thermal time constant motor | s | 290 |
| Thermal time constant winding | s | 41 |
| Operating temperature range | °C | -40~+120 |
| Thermal class of winding | °C | 180 |
| Axial play | mm | 0.014 |
| Radial play | mm | 0.008 |
| Axial load dynamic | N | 5 |
| Axial load static | N | 80 |
| Radial load at 3 mm from mounting face | N | 29 |
| No. of pole pairs | 7 | |
| Bearings | 2 ball 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.
