The 32**…32MP… series is a robust 32mm planetary gearbox line offering up to 6 stages, reduction ratios from 16:1 to 1076:1, and rated torques up to 1200 mNm (momentary up to 3600 mNm). Featuring metal housings and plastic injection-molded gears, it is ideal for demanding applications in medical, scientific, and industrial equipment. Customizable options include lead wire length, shaft dimensions, and special coils.
| Parameter | Unit | 3257N9C2B01-56-12.0 | 3257N9C2B02-64-24.0 | 3257N9C2B08-74-12.0 |
|---|---|---|---|---|
| Voltage | V | 12.0 | 24.0 | 12.0 |
| Terminal resistance | Ω | 1 | 2.8 | 2.4 |
| No-load speed | rpm | 5600 | 6400 | 7400 |
| No-load current | A | 0.24 | 0.07 | 0.1 |
| Stall torque | mNm | 235.8 | 301.9 | 303.5 |
| Stall current | A | 12 | 8.57 | 10 |
| Load torque | mNm | 30 | 50 | 50 |
| Load speed | rpm | 4890 | 5340 | 6810 |
| Load current | A | 1.74 | 1.48 | 1.73 |
| Max. output power | W | 34.6 | 50.6 | 58.9 |
| Max. efficiency | % | 74 | 83 | 81 |
| Back-EMF constant | mV/rpm | 2.1 | 3.7 | 3.2 |
| Torque constant | mNm/A | 20.1 | 35.5 | 30.7 |
| Speed/torque gradient | rpm/mNm | 23.7 | 21.2 | 24.4 |
| Rotor inertia | gcm² | 42 | 42 | 42 |
| Weight | g | 230 | 230 | 230 |
| Operating temperature range | °C | -10~+80 | -10~+80 | -10~+80 |
| Gearbox stages | Unit | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|---|
| Reduction ratio | — | — | 16~33 | 67~188 | 272~1076 | — | — |
| Max. rated torque | mNm | — | 400 | 800 | 1200 | — | — |
| Max. momentary torque | mNm | — | 1200 | 2400 | 3600 | — | — |
| Length（L） | mm | — | 35.7 | 45.7 | 55.7 | — | — |
| Shell material | — | Metal | – | – | – | – | – |
| Gear processing technologyGear processing technology | — | Plastic injection | – | – | – | – | – |
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 | 3257N9C2B01-56-12.0 |
|---|---|---|
| Voltage | V | 12.0 |
| Terminal resistance | Ω | 1 |
| No-load speed | rpm | 5600 |
| No-load current | A | 0.24 |
| Stall torque | mNm | 235.8 |
| Stall current | A | 12 |
| Load torque | mNm | 30 |
| Load speed | rpm | 4890 |
| Load current | A | 1.74 |
| Max. output power | W | 34.6 |
| Max. efficiency | % | 74 |
| Back-EMF constant | mV/rpm | 2.1 |
| Torque constant | mNm/A | 20.1 |
| Speed/torque gradient | rpm/mNm | 23.7 |
| Rotor inertia | gcm² | 42 |
| Weight | g | 230 |
| Operating temperature range | °C | -10~+80 |
| Gearbox stages | Unit | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|---|
| Reduction ratio | — | — | 16~33 | 67~188 | 272~1076 | — | — |
| Max. rated torque | mNm | — | 400 | 800 | 1200 | — | — |
| Max. momentary torque | mNm | — | 1200 | 2400 | 3600 | — | — |
| Length（L） | mm | — | 35.7 | 45.7 | 55.7 | — | — |
| Shell material | — | Metal | – | – | – | – | – |
| Gear processing technologyGear processing technology | — | Plastic injection | – | – | – | – | – |
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 | 3257N9C2B02-64-24.0 |
|---|---|---|
| Voltage | V | 24.0 |
| Terminal resistance | Ω | 2.8 |
| No-load speed | rpm | 6400 |
| No-load current | mA | 0.07 |
| Stall torque | mNm | 301.9 |
| Stall current | A | 8.57 |
| Load torque | mNm | 50 |
| Load speed | rpm | 5340 |
| Load current | A | 1.48 |
| Max. output power | W | 50.6 |
| Max. efficiency | % | 83 |
| Back-EMF constant | mV/rpm | 3.7 |
| Torque constant | mNm/A | 35.5 |
| Speed/torque gradient | rpm/mNm | 21.2 |
| Rotor inertia | gcm² | 42 |
| Weight | g | 230 |
| Operating temperature range | °C | -10~+80 |
| Gearbox stages | Unit | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|---|
| Reduction ratio | — | — | 16~33 | 67~188 | 272~1076 | — | — |
| Max. rated torque | mNm | — | 400 | 800 | 1200 | — | — |
| Max. momentary torque | mNm | — | 1200 | 2400 | 3600 | — | — |
| Length（L） | mm | — | 35.7 | 45.7 | 55.7 | — | — |
| Shell material | — | Metal | – | – | – | – | – |
| Gear processing technologyGear processing technology | — | Plastic injection | – | – | – | – | – |
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 | 3257N9C2B08-74-12.0 |
|---|---|---|
| Voltage | V | 12.0 |
| Terminal resistance | Ω | 2.4 |
| No-load speed | rpm | 7400 |
| No-load current | mA | 0.1 |
| Stall torque | mNm | 303.5 |
| Stall current | A | 10 |
| Load torque | mNm | 50 |
| Load speed | rpm | 6810 |
| Load current | A | 1.73 |
| Max. output power | W | 58.9 |
| Max. efficiency | % | 81 |
| Back-EMF constant | mV/rpm | 3.2 |
| Torque constant | mNm/A | 30.7 |
| Speed/torque gradient | rpm/mNm | 24.4 |
| Rotor inertia | gcm² | 42 |
| Weight | g | 230 |
| Operating temperature range | °C | -10~+80 |
| Gearbox stages | Unit | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|---|
| Reduction ratio | — | — | 16~33 | 67~188 | 272~1076 | — | — |
| Max. rated torque | mNm | — | 400 | 800 | 1200 | — | — |
| Max. momentary torque | mNm | — | 1200 | 2400 | 3600 | — | — |
| Length（L） | mm | — | 35.7 | 45.7 | 55.7 | — | — |
| Shell material | — | Metal | – | – | – | – | – |
| Gear processing technologyGear processing technology | — | Plastic injection | – | – | – | – | – |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
