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| Characteristics | BO4840NH2B01-105-18.0 | BO4840NH2B02-105-24.0 | BO4840NH2B03-105-36.0 |
|---|---|---|---|
| Voltage | 18.0 V | 24.0 V | 36.0 V |
| Terminal resistance | 0.034 Ω | 0.053 Ω | 0.11 Ω |
| No-load speed | 10500 rpm | 10500 rpm | 10500 rpm |
| No-load current | 1.6 A | 1.2 A | 0.9 A |
| Stall torque | 8614 mNm | 9831 mNm | 10656 mNm |
| Stall current | 529.4 A | 452.8 A | 327.3 A |
| Nominal torque | 423 mNm | 427 mNm | 420 mNm |
| Nominal speed | 9350 rpm | 9400 rpm | 9440 rpm |
| Nominal current | 25.7 A | 19.5 A | 12.9 A |
| Max. output power | 2367 W | 2701 W | 2928 W |
| Max. efficiency | 89.2 % | 89.9 % | 89.7 % |
| Back-EMF constant | 1.7 mV/rpm | 2.3 mV/rpm | 3.4 mV/rpm |
| Torque constant | 16.3 mNm/A | 21.8 mNm/A | 32.7 mNm/A |
| KV Value | 583 rpm/V | 437.5 rpm/V | 292.0 rpm/V |
| Speed/torque gradient | 1.22 rpm/mNm | 1.07 rpm/mNm | 0.99 rpm/mNm |
| Rotor inertia | 398 g·cm² | 398 g·cm² | 398 g·cm² |
| Weight | 267 g | 267 g | 267 g |
| Thermal resistance housing-ambient | 0.9 K/W | 0.9 K/W | 0.9 K/W |
| Thermal resistance winding-housing | 1.0 K/W | 1.0 K/W | 1.0 K/W |
| Thermal time constant motor | 300 s | 300 s | 300 s |
| Thermal time constant winding | 60 s | 60 s | 60 s |
| Operating temperature range | -40~+120 | -40~+120 | -40~+120 |
| Thermal class of winding | 180 °C | 180 °C | 180 °C |
| Axial play | 0.012 mm | 0.012 mm | 0.012 mm |
| Radial play | 0.008 mm | 0.008 mm | 0.008 mm |
| Axial load dynamic | 10 N | 10 N | 10 N |
| Axial load static | 110 N | 110 N | 110 N |
| Radial load at 3 mm from mounting face | 42 N | 42 N | 42 N |
| No. of pole pairs | 7 | 7 | 7 |
| Bearings | 2 ball bearings | 2 ball bearings | 2 ball bearings |
| Protection class | 20 IP | 20 IP | 20 IP |
| Commutation | Hall Sensor | Hall Sensor | Hall Sensor |
Applications
UAV
aeromodelling
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
| Specification | BO4840NH2B01-105-18.0 |
|---|---|
| Voltage | 18.0 V |
| Terminal resistance | 0.034 Ω |
| No-load speed | 10500 rpm |
| No-load current | 1.6 A |
| Stall torque | 8614 mNm |
| Stall current | 529.4 A |
| Nominal torque | 423 mNm |
| Nominal speed | 9350 rpm |
| Nominal current | 25.7 A |
| Max. output power | 2367 W |
| Max. efficiency | 89.2 % |
| Back-EMF constant | 1.7 mV/rpm |
| Torque constant | 16.3 mNm/A |
| KV Value | 583 rpm/V |
| Speed/torque gradient | 1.22 rpm/mNm |
| Rotor inertia | 398 g·cm² |
| Weight | 267 g |
| Thermal resistance housing-ambient | 0.9 K/W |
| Thermal resistance winding-housing | 1.0 K/W |
| Thermal time constant motor | 300 s |
| Thermal time constant winding | 60 s |
| Operating temperature range | -40~+120 °C |
| Thermal class of winding | 180 °C |
| Axial play | 0.012 mm |
| Radial play | 0.008 mm |
| Axial load dynamic | 10 N |
| Axial load static | 110 N |
| Radial load at 3 mm from mounting face | 42 N |
| No. of pole pairs | 7 |
| Bearings | 2 ball bearings |
| Protection class | 20 IP |
| Commutation | Hall Sensor |
Applications
UAV
aeromodelling
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
| Specification | BO4840NH2B02-105-24.0 |
|---|---|
| Voltage | 24.0 V |
| Terminal resistance | 0.053 Ω |
| No-load speed | 10500 rpm |
| No-load current | 1.2 A |
| Stall torque | 9831 mNm |
| Stall current | 452.8 A |
| Nominal torque | 427 mNm |
| Nominal speed | 9400 rpm |
| Nominal current | 19.5 A |
| Max. output power | 2701 W |
| Max. efficiency | 89.9 % |
| Back-EMF constant | 2.3 mV/rpm |
| Torque constant | 21.8 mNm/A |
| KV Value | 437.5 rpm/V |
| Speed/torque gradient | 1.07 rpm/mNm |
| Rotor inertia | 398 g·cm² |
| Weight | 267 g |
| Thermal resistance housing-ambient | 0.9 K/W |
| Thermal resistance winding-housing | 1.0 K/W |
| Thermal time constant motor | 300 s |
| Thermal time constant winding | 60 s |
| Operating temperature range | -40~+120 °C |
| Thermal class of winding | 180 °C |
| Axial play | 0.012 mm |
| Radial play | 0.008 mm |
| Axial load dynamic | 10 N |
| Axial load static | 110 N |
| Radial load at 3 mm from mounting face | 42 N |
| No. of pole pairs | 7 |
| Bearings | 2 ball bearings |
| Protection class | 20 IP |
| Commutation | Hall Sensor |
Applications
UAV
aeromodelling
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
| Specification | BO4840NH2B03-105-36.0 |
|---|---|
| Voltage | 36.0 V |
| Terminal resistance | 0.11 Ω |
| No-load speed | 10500 rpm |
| No-load current | 0.9 A |
| Stall torque | 10656 mNm |
| Stall current | 327.3 A |
| Nominal torque | 420 mNm |
| Nominal speed | 9440 rpm |
| Nominal current | 12.9 A |
| Max. output power | 2928 W |
| Max. efficiency | 89.7 % |
| Back-EMF constant | 3.4 mV/rpm |
| Torque constant | 32.7 mNm/A |
| KV Value | 292.0 rpm/V |
| Speed/torque gradient | 0.99 rpm/mNm |
| Rotor inertia | 398 g·cm² |
| Weight | 267 g |
| Thermal resistance housing-ambient | 0.9 K/W |
| Thermal resistance winding-housing | 1.0 K/W |
| Thermal time constant motor | 300 s |
| Thermal time constant winding | 60 s |
| Operating temperature range | -40~+120 °C |
| Thermal class of winding | 180 °C |
| Axial play | 0.012 mm |
| Radial play | 0.008 mm |
| Axial load dynamic | 10 N |
| Axial load static | 110 N |
| Radial load at 3 mm from mounting face | 42 N |
| No. of pole pairs | 7 |
| Bearings | 2 ball bearings |
| Protection class | 20 IP |
| Commutation | Hall Sensor |
Applications
UAV
aeromodelling
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.