| Characteristics | 3257N9C2B01-54-12.0 | 3257N9C2B02-64-24.0 | 3257N9C2B08-74-24.0 |
|---|---|---|---|
| Voltage | 12.0 V | 24.0 V | 24.0 V |
| Terminal resistance | 0.44 Ω | 2.3 Ω | 1.84 Ω |
| No-load speed | 5440 rpm | 6400 rpm | 7400 rpm |
| No-load current | 150 mA | 100 mA | 100 mA |
| Stall torque | 568.1 mNm | 366.4 mNm | 397.7 mNm |
| Stall current | 27270 mA | 10430 mA | 13040 mA |
| Nominal torque | 45.5 mNm | 38.5 mNm | 31.8 mNm |
| Nominal speed | 5000 rpm | 5730 rpm | 6810 rpm |
| Nominal current | 2320 mA | 1190 mA | 1130 mA |
| Max. output power | 81 W | 61 W | 77 W |
| Max. efficiency | 86 % | 81 % | 83 % |
| Back-EMF constant | 2.2 mV/rpm | 3.7 mV/rpm | 3.2 mV/rpm |
| Torque constant | 20.9 mNm/A | 35.5 mNm/A | 30.7 mNm/A |
| Speed/torque gradient | 9.6 rpm/mNm | 17.5 rpm/mNm | 18.6 rpm/mNm |
| Rotor inertia | 42 g·cm² | 42 g·cm² | 42 g·cm² |
| Weight | 230 g | 230 g | 230 g |
| Thermal resistance housing-ambient | 7.57 K/W | 7.57 K/W | 7.57 K/W |
| Thermal resistance winding-housing | 4.05 K/W | 4.05 K/W | 4.05 K/W |
| Thermal time constant motor | 725 s | 725 s | 725 s |
| Thermal time constant winding | 540 s | 540 s | 540 s |
| Operating temperature range | -20~+120 | -20~+120 | -20~+120 |
| Thermal class of winding | 155 °C | 155 °C | 155 °C |
| Axial play | 0.02~0.15 | 0.02~0.15 | 0.02~0.15 |
| Radial play | 0.025 mm | 0.025 mm | 0.025 mm |
| Axial load dynamic | 5.6 N | 5.6 N | 5.6 N |
| Axial load static | 110 N | 110 N | 110 N |
| Radial load at 3 mm from mounting face | 30 N | 30 N | 30 N |
| No. of pole pairs | 1 | 1 | 1 |
| Bearings | 2 ball bearings | 2 ball bearings | 2 ball bearings |
| Commutator | metal 9 segments | metal 9 segments | metal 9 segments |
| Protection class | 20 IP | 20 IP | 20 IP |
Applications
medical equipment and devices
healthcare products
automotive
robotics
industrial automation
| Specification | 3257N9C2B01-54-12.0 |
|---|---|
| Voltage | 12.0 V |
| Terminal resistance | 0.44 Ω |
| No-load speed | 5440 rpm |
| No-load current | 150 mA |
| Stall torque | 568.1 mNm |
| Stall current | 27270 mA |
| Nominal torque | 45.5 mNm |
| Nominal speed | 5000 rpm |
| Nominal current | 2320 mA |
| Max. output power | 81 W |
| Max. efficiency | 86 % |
| Back-EMF constant | 2.2 mV/rpm |
| Torque constant | 20.9 mNm/A |
| Speed/torque gradient | 9.6 rpm/mNm |
| Rotor inertia | 42 g·cm² |
| Weight | 230 g |
| Thermal resistance housing-ambient | 7.57 K/W |
| Thermal resistance winding-housing | 4.05 K/W |
| Thermal time constant motor | 725 s |
| Thermal time constant winding | 540 s |
| Operating temperature range | -20~+120 °C |
| Thermal class of winding | 155 °C |
| Axial play | 0.02~0.15 mm |
| Radial play | 0.025 mm |
| Axial load dynamic | 5.6 N |
| Axial load static | 110 N |
| Radial load at 3 mm from mounting face | 30 N |
| No. of pole pairs | 1 |
| Bearings | 2 ball bearings |
| Commutator | metal 9 segments |
| Protection class | 20 IP |
Applications
medical equipment and devices
healthcare products
automotive
robotics
industrial automation
| Specification | 3257N9C2B02-64-24.0 |
|---|---|
| Voltage | 24.0 V |
| Terminal resistance | 2.3 Ω |
| No-load speed | 6400 rpm |
| No-load current | 100 mA |
| Stall torque | 366.4 mNm |
| Stall current | 10430 mA |
| Nominal torque | 38.5 mNm |
| Nominal speed | 5730 rpm |
| Nominal current | 1190 mA |
| Max. output power | 61 W |
| Max. efficiency | 81 % |
| Back-EMF constant | 3.7 mV/rpm |
| Torque constant | 35.5 mNm/A |
| Speed/torque gradient | 17.5 rpm/mNm |
| Rotor inertia | 42 g·cm² |
| Weight | 230 g |
| Thermal resistance housing-ambient | 7.57 K/W |
| Thermal resistance winding-housing | 4.05 K/W |
| Thermal time constant motor | 725 s |
| Thermal time constant winding | 540 s |
| Operating temperature range | -20~+120 °C |
| Thermal class of winding | 155 °C |
| Axial play | 0.02~0.15 mm |
| Radial play | 0.025 mm |
| Axial load dynamic | 5.6 N |
| Axial load static | 110 N |
| Radial load at 3 mm from mounting face | 30 N |
| No. of pole pairs | 1 |
| Bearings | 2 ball bearings |
| Commutator | metal 9 segments |
| Protection class | 20 IP |
Applications
medical equipment and devices
healthcare products
automotive
robotics
industrial automation
| Specification | 3257N9C2B08-74-24.0 |
|---|---|
| Voltage | 24.0 V |
| Terminal resistance | 1.84 Ω |
| No-load speed | 7400 rpm |
| No-load current | 100 mA |
| Stall torque | 397.7 mNm |
| Stall current | 13040 mA |
| Nominal torque | 31.8 mNm |
| Nominal speed | 6810 rpm |
| Nominal current | 1130 mA |
| Max. output power | 77 W |
| Max. efficiency | 83 % |
| Back-EMF constant | 3.2 mV/rpm |
| Torque constant | 30.7 mNm/A |
| Speed/torque gradient | 18.6 rpm/mNm |
| Rotor inertia | 42 g·cm² |
| Weight | 230 g |
| Thermal resistance housing-ambient | 7.57 K/W |
| Thermal resistance winding-housing | 4.05 K/W |
| Thermal time constant motor | 725 s |
| Thermal time constant winding | 540 s |
| Operating temperature range | -20~+120 °C |
| Thermal class of winding | 155 °C |
| Axial play | 0.02~0.15 mm |
| Radial play | 0.025 mm |
| Axial load dynamic | 5.6 N |
| Axial load static | 110 N |
| Radial load at 3 mm from mounting face | 30 N |
| No. of pole pairs | 1 |
| Bearings | 2 ball bearings |
| Commutator | metal 9 segments |
| Protection class | 20 IP |
Applications
medical equipment and devices
healthcare products
automotive
robotics
industrial automation