12V Φ31mm Geared DC Motor Reduction Planetary Gearbox Max. 3.0 N-m
- Part Number: 31WS57-12-S
- Lead Time: In Stock
- Unit Price: US $35.00
- *Ship from China
This 12V Φ31 mm brushed DC planetary gearbox motor (312WS7-12-S series) delivers a maximum output torque of 3.0 N·m at a rated speed of 3.7 RPM (no-load speed 5 RPM), operating on 12 VDC with a rated current of 0.32 A and 3.8 W power. The series covers a speed range of 5 to 1,250 RPM with output torque up to 3.0 N·m, features Class B insulation and IP20 protection, and has a body length of 111 mm and a weight of 0.3 kg. Its compact Φ31 mm frame and integrated planetary reduction make it well suited to space-constrained low-speed drive applications in household appliances, office automation equipment, banking machines, medical devices, and intelligent robots requiring reliable torque multiplication and precise motion control. Please specify the model number in the order note.
12V Φ31mm Geared DC Motor
| Model Number | Rated Voltage | No-load Speed | Rated Speed | Rated Current | Rated Torque | Power | Body Length | Weight |
| V DC | RPM | RPM | A | N-m | W | L+57mm) | kg | |
| 31WS57-12-S5 | 12 | 5 | 3.7 | 0.32 | 3.0 | 3.8 | 111 | 0.33 |
| 31WS57-12-S10 | 12 | 10 | 7.5 | 0.38 | 2.0 | 4.6 | 111 | 0.33 |
| 31WS57-12-S30 | 12 | 30 | 22.5 | 0.65 | 1.2 | 7.8 | 111 | 0.33 |
| 31WS57-12-S50 | 12 | 50 | 38 | 0.71 | 0.9 | 8.5 | 100 | 0.32 |
| 31WS57-12-S100 | 12 | 100 | 75 | 1.05 | 0.6 | 12.6 | 100 | 0.32 |
| 31WS57-12-S150 | 12 | 150 | 112 | 1.15 | 0.45 | 13.8 | 100 | 0.32 |
| 31WS57-12-S235 | 12 | 235 | 176 | 1.15 | 0.3 | 13.8 | 92 | 0.31 |
| 31WS57-12-S300 | 12 | 300 | 225 | 1.15 | 0.25 | 13.8 | 92 | 0.31 |
| 31WS57-12-S585 | 12 | 585 | 439 | 1.15 | 0.16 | 13.8 | 92 | 0.31 |
| 31WS57-12-S950 | 12 | 950 | 712 | 0.6 | 0.05 | 7.2 | 84 | 0.3 |
| 31WS57-12-S1250 | 12 | 1,250 | 938 | 0.72 | 0.04 | 8.6 | 84 | 0.3 |
Contact Frankhumotor for Datasheet, 3D Step. File, Torque Curve
| Product Details | |
| Model Number | 31WS57-12-S |
| Product Type | Brushed |
| Lead Time | in stock |
| Insulation Class | B |
| Protection Class | IP20 |


