DC motors models RS-540 or RS-545, Carbon brush dc motor, Cylinder, Diameter35.5 mm, length 50 mm; shaft 3.175 mm, fixing screw 2-M3.0 mm. Operating voltage: 3.6~60V, At no load Speed 2,000~25,000 r.p.m, Output about 3~75W. fit for power tools, massager, hair dryer, paper Shredder, vacuum cleaner, haircut apparatus, printer, air pump, vending machine, blender, , drill & screw driver, forest tools, etc.
| Model | Voltage | No Load | At Max. Efficiency | Stall Torque | ||||||
| Operating Range(V) | Nominal | Speed | Current | Speed | Current | Torque | Output | Eff | ||
| V | r.p.m | A | r.p.m | A | g.cm | W | % | g.cm | ||
| RS-540S-5045 | 4.5 ~ 12.0 | 12.0 | 17,800 | 0.98 | 15,300 | 6.15 | 320.0 | 50.26 | 68.1 | 2,278 |
| RS-540S-4565 | 4.5 ~ 18.0 | 12.0 | 11,000 | 0.52 | 9,450 | 3.18 | 260.0 | 25.22 | 66.1 | 1,845 |
| RS-540S-33110 | 6.0 ~ 24.0 | 12.0 | 6,750 | 0.300 | 5,700 | 1.60 | 220.0 | 12.87 | 67.0 | 1,414 |
| RS-540S-18270 | 12.0 ~ 30.0 | 12.0 | 2,780 | 0.130 | 2,150 | 0.42 | 126.0 | 2.78 | 55.2 | 556 |
| RS-545S-5016 | 3.0 ~ 9.0 | 9.0 | 22,500 | 1.500 | 19,000 | 8.12 | 262.0 | 51.10 | 69.9 | 1,684 |
| RS-545S-2870 | 6.0 ~ 30.0 | 9.0 | 2,270 | 0.23 | 1,840 | 1.00 | 150.0 | 2.83 | 68.7 | 792 |
| RS-545S-2486 | 9.0 ~ 30.0 | 12.0 | 4,800 | 0.25 | 3,800 | 0.99 | 175.0 | 6.83 | 57.5 | 840 |
| RS-545-17145 | 12.0~45.0 | 40.0 | 9,250 | 0.12 | 8,065 | 0.64 | 200 | 16.56 | 64.7 | 1,561 |
