The 2543N9C2B series is a compact 25mm dual shaft DC motor featuring graphite brushes for enhanced durability and reliable electrical performance. Designed for high-precision tasks, it is well-suited for medical devices, robotics, and automation systems. Customizable options include shaft length, special coils, bearing types, and compatibility with gear heads for tailored integration into advanced industrial applications.
| Parameter | Unit | 2543N9C2B21-73-14.8 | 2543N9C2B10-90-24.0 | 2543N9C2B11-98-30.0 | 2543N9C2B05-65-48.0 |
|---|---|---|---|---|---|
| Voltage | V | 14.8 | 24.0 | 30.0 | 48.0 |
| Max. output power | W | 17.4 | 36.5 | 50.8 | 23.8 |
| Max. efficiency | % | 83 | 86 | 87 | 77 |
| Back-EMF constant | mV/rpm | 2 | 2.7 | 3 | 7.3 |
| Torque constant | mNm/A | 19.2 | 25.3 | 29.1 | 69.5 |
| Speed/torque gradient | rpm/mNm | 80.4 | 58.1 | 49.6 | 46.5 |
| Rotor inertia | gcm² | 13.2 | 13.2 | 13.2 | 13.2 |
| Weight | g | 96 | 96 | 96 | 96 |
| Thermal resistance housing-ambient | K/W | 11 | 11 | 11 | 11 |
| Thermal resistance winding-housing | K/W | 4.7 | 4.7 | 4.7 | 4.7 |
| Thermal time constant motor | s | 266 | 266 | 266 | 266 |
| Terminal resistance | Ω | 3.1 | 3.9 | 4.4 | 23.5 |
| Thermal time constant winding | s | 123 | 123 | 123 | 123 |
| Operating temperature range | °C | -20~+120 | -20~+120 | -20~+120 | -20~+120 |
| Thermal class of winding | °C | 155 | 155 | 155 | 155 |
| Axial play | mm | 0.02~0.15 | 0.02~0.15 | 0.02~0.15 | 0.02~0.15 |
| Radial play | mm | 0.025 | 0.025 | 0.025 | 0.025 |
| Axial load dynamic | N | 2 | 2 | 2 | 2 |
| Axial load static | N | 20 | 20 | 20 | 20 |
| Radial load at 3 mm from mounting face | N | 20 | 20 | 20 | 20 |
| No. of pole pairs | 1 | 1 | 1 | 1 | |
| Bearings | 2 sleeve bearings | 2 sleeve bearings | 2 sleeve bearings | 2 sleeve bearings | |
| No-load speed | rpm | 7300 | 9000 | 9800 | 6500 |
| Commutator | graphite 9 segments | graphite 9 segments | graphite 9 segments | graphite 9 segments | |
| Protection class | IP | 30 | 30 | 30 | 30 |
| No-load current | mA | 40 | 35 | 30 | 30 |
| Stall torque | mNm | 90.8 | 154.8 | 197.6 | 139.7 |
| Stall current | mA | 4770 | 6150 | 6820 | 2040 |
| Nominal torque | mNm | 20 | 30 | 40 | 40 |
| Nominal speed | rpm | 5690 | 7260 | 7820 | 4640 |
| Nominal current | mA | 1080 | 1220 | 1400 | 610 |
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 | 2543N9C2B21-73-14.8 |
|---|---|---|
| Voltage | V | 14.8 |
| Max. output power | W | 17.4 |
| Max. efficiency | % | 83 |
| Back-EMF constant | mV/rpm | 2 |
| Torque constant | mNm/A | 19.2 |
| Speed/torque gradient | rpm/mNm | 80.4 |
| Rotor inertia | gcm² | 13.2 |
| Weight | g | 96 |
| Thermal resistance housing-ambient | K/W | 11 |
| Thermal resistance winding-housing | K/W | 4.7 |
| Thermal time constant motor | s | 266 |
| Terminal resistance | Ω | 3.1 |
| Thermal time constant winding | s | 123 |
| Operating temperature range | °C | -20~+120 |
| Thermal class of winding | °C | 155 |
| Axial play | mm | 0.02~0.15 |
| Radial play | mm | 0.025 |
| Axial load dynamic | N | 2 |
| Axial load static | N | 20 |
| Radial load at 3 mm from mounting face | N | 20 |
| No. of pole pairs | 1 | |
| Bearings | 2 sleeve bearings | |
| No-load speed | rpm | 7300 |
| Commutator | graphite 9 segments | |
| Protection class | IP | 30 |
| No-load current | mA | 40 |
| Stall torque | mNm | 90.8 |
| Stall current | mA | 4770 |
| Nominal torque | mNm | 20 |
| Nominal speed | rpm | 5690 |
| Nominal current | mA | 1080 |
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 | 2543N9C2B10-90-24.0 |
|---|---|---|
| Voltage | V | 24.0 |
| Max. output power | W | 36.5 |
| Max. efficiency | % | 86 |
| Back-EMF constant | mV/rpm | 2.7 |
| Torque constant | mNm/A | 25.3 |
| Speed/torque gradient | rpm/mNm | 58.1 |
| Rotor inertia | gcm² | 13.2 |
| Weight | g | 96 |
| Thermal resistance housing-ambient | K/W | 11 |
| Thermal resistance winding-housing | K/W | 4.7 |
| Thermal time constant motor | s | 266 |
| Terminal resistance | Ω | 3.9 |
| Thermal time constant winding | s | 123 |
| Operating temperature range | °C | -20~+120 |
| Thermal class of winding | °C | 155 |
| Axial play | mm | 0.02~0.15 |
| Radial play | mm | 0.025 |
| Axial load dynamic | N | 2 |
| Axial load static | N | 20 |
| Radial load at 3 mm from mounting face | N | 20 |
| No. of pole pairs | 1 | |
| Bearings | 2 sleeve bearings | |
| No-load speed | rpm | 9000 |
| Commutator | graphite 9 segments | |
| Protection class | IP | 30 |
| No-load current | mA | 35 |
| Stall torque | mNm | 154.8 |
| Stall current | mA | 6150 |
| Nominal torque | mNm | 30 |
| Nominal speed | rpm | 7260 |
| Nominal current | mA | 1220 |
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 | 2543N9C2B11-98-30.0 |
|---|---|---|
| Voltage | V | 30.0 |
| Max. output power | W | 50.8 |
| Max. efficiency | % | 87 |
| Back-EMF constant | mV/rpm | 3 |
| Torque constant | mNm/A | 29.1 |
| Speed/torque gradient | rpm/mNm | 49.6 |
| Rotor inertia | gcm² | 13.2 |
| Weight | g | 96 |
| Thermal resistance housing-ambient | K/W | 11 |
| Thermal resistance winding-housing | K/W | 4.7 |
| Thermal time constant motor | s | 266 |
| Terminal resistance | Ω | 4.4 |
| Thermal time constant winding | s | 123 |
| Operating temperature range | °C | -20~+120 |
| Thermal class of winding | °C | 155 |
| Axial play | mm | 0.02~0.15 |
| Radial play | mm | 0.025 |
| Axial load dynamic | N | 2 |
| Axial load static | N | 20 |
| Radial load at 3 mm from mounting face | N | 20 |
| No. of pole pairs | 1 | |
| Bearings | 2 sleeve bearings | |
| No-load speed | rpm | 9800 |
| Commutator | graphite 9 segments | |
| Protection class | IP | 30 |
| No-load current | mA | 30 |
| Stall torque | mNm | 197.6 |
| Stall current | mA | 6820 |
| Nominal torque | mNm | 40 |
| Nominal speed | rpm | 7820 |
| Nominal current | mA | 1400 |
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 | 2543N9C2B05-65-48.0 |
|---|---|---|
| Voltage | V | 48.0 |
| Max. output power | W | 23.8 |
| Max. efficiency | % | 77 |
| Back-EMF constant | mV/rpm | 7.3 |
| Torque constant | mNm/A | 69.5 |
| Speed/torque gradient | rpm/mNm | 46.5 |
| Rotor inertia | gcm² | 13.2 |
| Weight | g | 96 |
| Thermal resistance housing-ambient | K/W | 11 |
| Thermal resistance winding-housing | K/W | 4.7 |
| Thermal time constant motor | s | 266 |
| Terminal resistance | Ω | 23.5 |
| Thermal time constant winding | s | 123 |
| Operating temperature range | °C | -20~+120 |
| Thermal class of winding | °C | 155 |
| Axial play | mm | 0.02~0.15 |
| Radial play | mm | 0.025 |
| Axial load dynamic | N | 2 |
| Axial load static | N | 20 |
| Radial load at 3 mm from mounting face | N | 20 |
| No. of pole pairs | 1 | |
| Bearings | 2 sleeve bearings | |
| No-load speed | rpm | 6500 |
| Commutator | graphite 9 segments | |
| Protection class | IP | 30 |
| No-load current | mA | 30 |
| Stall torque | mNm | 139.7 |
| Stall current | mA | 2040 |
| Nominal torque | mNm | 40 |
| Nominal speed | rpm | 4640 |
| Nominal current | mA | 610 |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
