The BO4831NH2B Series features a 48mm BLDC outer rotor design with integrated Hall sensors, offering precise speed and position control. Ideal for UAVs, automation equipment, smart home devices, and electrical tools. Customization options include shaft length, special coils, gear heads, bearing types, encoders, and drivers, ensuring optimal performance for demanding motion control applications.
| Parameter | Unit | BO4831NH2B01-101-18.0 | BO4831NH2B02-101-24.0 | BO4831NH2B03-101-36.0 |
|---|---|---|---|---|
| Voltage | V | 18.0 | 24.0 | 36.0 |
| Terminal resistance | Ω | 0.05 | 0.08 | 0.18 |
| No-load speed | rpm | 10160 | 10160 | 10160 |
| No-load current | A | 1.1 | 0.9 | 0.6 |
| Stall torque | mNm | 6053 | 6726 | 6727 |
| Stall current | A | 360.0 | 300.0 | 200.0 |
| Nominal torque | mNm | 449 | 447 | 457 |
| Nominal speed | rpm | 7600 | 7700 | 7700 |
| Nominal current | A | 23.5 | 17.6 | 12 |
| Max. output power | W | 1609 | 1788 | 1788 |
| Max. efficiency | % | 89.2 | 89.3 | 89.3 |
| Back-EMF constant | mV/rpm | 1.8 | 2.4 | 3.5 |
| Torque constant | mNm/A | 16.9 | 22.5 | 33.7 |
| KV Value | rpm/V | 564 | 423 | 282 |
| Speed/torque gradient | rpm/mNm | 1.68 | 1.51 | 1.51 |
| Rotor inertia | gcm² | 306 | 306 | 306 |
| Weight | g | 211 | 211 | 211 |
| Thermal resistance housing-ambient | K/W | 1.14 | 1.14 | 1.14 |
| Thermal resistance winding-housing | K/W | 0.38 | 0.38 | 0.38 |
| Thermal time constant motor | s | 350 | 350 | 350 |
| Thermal time constant winding | s | 60 | 60 | 60 |
| Operating temperature range | °C | -40~+120 | -40~+120 | -40~+120 |
| Thermal class of winding | °C | 180 | 180 | 180 |
| Axial play | mm | 0.012 | 0.012 | 0.012 |
| Radial play | mm | 0.008 | 0.008 | 0.008 |
| Axial load dynamic | N | 10 | 10 | 10 |
| Axial load static | N | 110 | 110 | 110 |
| Radial load at 3 mm from mounting face | N | 42 | 42 | 42 |
| No. of pole pairs | 7 | 7 | 7 | |
| Bearings | 2 ball bearings | 2 ball bearings | 2 ball bearings | |
| Protection class | IP | 20 | 20 | 20 |
| Commutation | Hall Sensor | Hall Sensor | Hall Sensor |
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 | BO4831NH2B01-101-18.0 |
|---|---|---|
| Voltage | V | 18.0 |
| Terminal resistance | Ω | 0.05 |
| No-load speed | rpm | 10160 |
| No-load current | A | 1.1 |
| Stall torque | mNm | 6053 |
| Stall current | A | 360.0 |
| Nominal torque | mNm | 449 |
| Nominal speed | rpm | 7600 |
| Nominal current | A | 23.5 |
| Max. output power | W | 1609 |
| Max. efficiency | % | 89.2 |
| Back-EMF constant | mV/rpm | 1.8 |
| Torque constant | mNm/A | 16.9 |
| KV Value | rpm/V | 564 |
| Speed/torque gradient | rpm/mNm | 1.68 |
| Rotor inertia | gcm² | 306 |
| Weight | g | 211 |
| Thermal resistance housing-ambient | K/W | 1.14 |
| Thermal resistance winding-housing | K/W | 0.38 |
| Thermal time constant motor | s | 350 |
| Thermal time constant winding | s | 60 |
| Operating temperature range | °C | -40~+120 |
| Thermal class of winding | °C | 180 |
| Axial play | mm | 0.012 |
| Radial play | mm | 0.008 |
| Axial load dynamic | N | 10 |
| Axial load static | N | 110 |
| Radial load at 3 mm from mounting face | N | 42 |
| No. of pole pairs | 7 | |
| Bearings | 2 ball bearings | |
| Protection class | IP | 20 |
| Commutation | Hall Sensor |
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 | BO4831NH2B02-101-24.0 |
|---|---|---|
| Voltage | V | 24.0 |
| Terminal resistance | Ω | 0.08 |
| No-load speed | rpm | 10160 |
| No-load current | A | 0.9 |
| Stall torque | mNm | 6726 |
| Stall current | A | 300.0 |
| Nominal torque | mNm | 447 |
| Nominal speed | rpm | 7700 |
| Nominal current | A | 17.6 |
| Max. output power | W | 1788 |
| Max. efficiency | % | 89.3 |
| Back-EMF constant | mV/rpm | 2.4 |
| Torque constant | mNm/A | 22.5 |
| KV Value | rpm/V | 423 |
| Speed/torque gradient | rpm/mNm | 1.51 |
| Rotor inertia | gcm² | 306 |
| Weight | g | 211 |
| Thermal resistance housing-ambient | K/W | 1.14 |
| Thermal resistance winding-housing | K/W | 0.38 |
| Thermal time constant motor | s | 350 |
| Thermal time constant winding | s | 60 |
| Operating temperature range | °C | -40~+120 |
| Thermal class of winding | °C | 180 |
| Axial play | mm | 0.012 |
| Radial play | mm | 0.008 |
| Axial load dynamic | N | 10 |
| Axial load static | N | 110 |
| Radial load at 3 mm from mounting face | N | 42 |
| No. of pole pairs | 7 | |
| Bearings | 2 ball bearings | |
| Protection class | IP | 20 |
| Commutation | Hall Sensor |
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 | BO4831NH2B03-101-36.0 |
|---|---|---|
| Voltage | V | 36.0 |
| Terminal resistance | Ω | 0.18 |
| No-load speed | rpm | 10160 |
| No-load current | A | 0.6 |
| Stall torque | mNm | 6727 |
| Stall current | A | 200.0 |
| Nominal torque | mNm | 457 |
| Nominal speed | rpm | 7700 |
| Nominal current | A | 12 |
| Max. output power | W | 1788 |
| Max. efficiency | % | 89.3 |
| Back-EMF constant | mV/rpm | 3.5 |
| Torque constant | mNm/A | 33.7 |
| KV Value | rpm/V | 282 |
| Speed/torque gradient | rpm/mNm | 1.51 |
| Rotor inertia | gcm² | 306 |
| Weight | g | 211 |
| Thermal resistance housing-ambient | K/W | 1.14 |
| Thermal resistance winding-housing | K/W | 0.38 |
| Thermal time constant motor | s | 350 |
| Thermal time constant winding | s | 60 |
| Operating temperature range | °C | -40~+120 |
| Thermal class of winding | °C | 180 |
| Axial play | mm | 0.012 |
| Radial play | mm | 0.008 |
| Axial load dynamic | N | 10 |
| Axial load static | N | 110 |
| Radial load at 3 mm from mounting face | N | 42 |
| No. of pole pairs | 7 | |
| Bearings | 2 ball bearings | |
| Protection class | IP | 20 |
| Commutation | Hall Sensor |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
