![HSSM - Size 24 [60mm]](https://www.kocoautomotive.com/wp-content/uploads/2024/06/HSSM_Size_2460mm-300x300.png.webp)
| Characteristics | B4040NH2B02-420-18.0 | B4040NH2B01-420-24.0 | B4040NH2B03-300-24.0 |
|---|---|---|---|
| Voltage | 18.0 V | 24.0 V | 24.0 V |
| Terminal resistance | 1.5 Ω | 2 Ω | 2.8 Ω |
| No-load speed | 42000 rpm | 42000 rpm | 30000 rpm |
| No-load current | 0.168 A | 0.2 A | 0.2 A |
| Stall torque | 47.7 mNm | 63.3 mNm | 62.5 mNm |
| Stall current | 12 A | 12 A | 8.6 A |
| Nominal torque | 5 mNm | 5 mNm | 5 mNm |
| Nominal speed | 37000 rpm | 38000 rpm | 27000 rpm |
| Nominal current | 1.4 A | 1.2 A | 0.9 A |
| Max. output power | 52.6 W | 69.7 W | 49.1 W |
| Max. efficiency | 77.7 % | 75.8 % | 71.7 % |
| Back-EMF constant | 0.4 mV/rpm | 0.56 mV/rpm | 0.78 mV/rpm |
| Torque constant | 4.0 mNm/A | 5.4 mNm/A | 7.5 mNm/A |
| KV Value | 2333.3 rpm/V | 1750 rpm/V | 1250 rpm/V |
| Speed/torque gradient | 879.7 rpm/mNm | 663.3 rpm/mNm | 480.3 rpm/mNm |
| Rotor inertia | 20 gcm² | 20 gcm² | 20 gcm² |
| Weight | 200 g | 200 g | 200 g |
| Thermal resistance housing-ambient | 9 K/W | 9 K/W | 9 K/W |
| Thermal resistance winding-housing | 2.4 K/W | 2.4 K/W | 2.4 K/W |
| Thermal time constant motor | 1400 s | 1400 s | 1400 s |
| Thermal time constant winding | 20 s | 20 s | 20 s |
| Operating temperature range | -40~+120 | -40~+120 | -40~+120 |
| Thermal class of winding | 155 °C | 155 °C | 155 °C |
| Axial play | 2.3 mm | 2.3 mm | 2.3 mm |
| Radial play | 0.012 mm | 0.012 mm | 0.012 mm |
| Axial load dynamic | 8 N | 8 N | 8 N |
| Axial load static | 110 N | 110 N | 110 N |
| Radial load at 3 mm from mounting face | 31 N | 31 N | 31 N |
| No. of pole pairs | 2 | 2 | 2 |
| 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
| Specification | B4040NH2B02-420-18.0 |
|---|---|
| Voltage | 18.0 V |
| Terminal resistance | 1.5 Ω |
| No-load speed | 42000 rpm |
| No-load current | 0.168 A |
| Stall torque | 47.7 mNm |
| Stall current | 12 A |
| Nominal torque | 5 mNm |
| Nominal speed | 37000 rpm |
| Nominal current | 1.4 A |
| Max. output power | 52.6 W |
| Max. efficiency | 77.7 % |
| Back-EMF constant | 0.4 mV/rpm |
| Torque constant | 4.0 mNm/A |
| KV Value | 2333.3 rpm/V |
| Speed/torque gradient | 879.7 rpm/mNm |
| Rotor inertia | 20 gcm² |
| Weight | 200 g |
| Thermal resistance housing-ambient | 9 K/W |
| Thermal resistance winding-housing | 2.4 K/W |
| Thermal time constant motor | 1400 s |
| Thermal time constant winding | 20 s |
| Operating temperature range | -40~+120 °C |
| Thermal class of winding | 155 °C |
| Axial play | 2.3 mm |
| Radial play | 0.012 mm |
| Axial load dynamic | 8 N |
| Axial load static | 110 N |
| Radial load at 3 mm from mounting face | 31 N |
| No. of pole pairs | 2 |
| Bearings | 2 ball bearings |
| Protection class | 20 IP |
| Commutation | Hall Sensor |
Applications
| Specification | B4040NH2B01-420-24.0 |
|---|---|
| Voltage | 24.0 V |
| Terminal resistance | 2 Ω |
| No-load speed | 42000 rpm |
| No-load current | 0.2 A |
| Stall torque | 63.3 mNm |
| Stall current | 12 A |
| Nominal torque | 5 mNm |
| Nominal speed | 38000 rpm |
| Nominal current | 1.2 A |
| Max. output power | 69.7 W |
| Max. efficiency | 75.8 % |
| Back-EMF constant | 0.56 mV/rpm |
| Torque constant | 5.4 mNm/A |
| KV Value | 1750 rpm/V |
| Speed/torque gradient | 663.3 rpm/mNm |
| Rotor inertia | 20 gcm² |
| Weight | 200 g |
| Thermal resistance housing-ambient | 9 K/W |
| Thermal resistance winding-housing | 2.4 K/W |
| Thermal time constant motor | 1400 s |
| Thermal time constant winding | 20 s |
| Operating temperature range | -40~+120 °C |
| Thermal class of winding | 155 °C |
| Axial play | 2.3 mm |
| Radial play | 0.012 mm |
| Axial load dynamic | 8 N |
| Axial load static | 110 N |
| Radial load at 3 mm from mounting face | 31 N |
| No. of pole pairs | 2 |
| Bearings | 2 ball bearings |
| Commutation | Hall Sensor |
| Protection class | 20 IP |
Applications
| Specification | B4040NH2B03-300-24.0 |
|---|---|
| Voltage | 24.0 V |
| Terminal resistance | 2.8 Ω |
| No-load speed | 30000 rpm |
| No-load current | 0.2 A |
| Stall torque | 62.5 mNm |
| Stall current | 8.6 A |
| Nominal torque | 5 mNm |
| Nominal speed | 27000 rpm |
| Nominal current | 0.9 A |
| Max. output power | 49.1 W |
| Max. efficiency | 71.7 % |
| Back-EMF constant | 0.78 mV/rpm |
| Torque constant | 7.5 mNm/A |
| KV Value | 1250 rpm/V |
| Speed/torque gradient | 480.3 rpm/mNm |
| Rotor inertia | 20 gcm² |
| Weight | 200 g |
| Thermal resistance housing-ambient | 9 K/W |
| Thermal resistance winding-housing | 2.4 K/W |
| Thermal time constant motor | 1400 s |
| Thermal time constant winding | 20 s |
| Operating temperature range | -40~+120 °C |
| Thermal class of winding | 155 °C |
| Axial play | 2.3 mm |
| Radial play | 0.012 mm |
| Axial load dynamic | 8 N |
| Axial load static | 110 N |
| Radial load at 3 mm from mounting face | 31 N |
| No. of pole pairs | 2 |
| Bearings | 2 ball bearings |
| Commutation | Hall Sensor |
| Protection class | 20 IP |