- Products
- Gear motors
- HS20ZJSX-180

HS20ZJSX-180
Spur gear motor, 20 mm gearbox, 180 motor
- Rated voltage
- 2.4–12 V
- No-load speed
- 41–83 rpm
- Torque at max. efficiency
- 82.3–210 mN·m
- Output power
- 0.59–0.76 W
Typical applications
- Automatic valves
- Remote-control locks
- Electric toys
Performance
| Version | HS20ZJSX-180-78K | HS20ZJSX-180-195K |
|---|---|---|
| Voltage | ||
| Operating range (V) | 9.0–15.0 | 2.0–4.5 |
| Rated voltage (V) | 12 | 2.4 |
| No load | ||
| Speed (rpm) | 83 | 41 |
| Current (A) | 0.03 | 0.16 |
| At maximum efficiency | ||
| Speed (rpm) | 67 | 35 |
| Current (A) | 0.12 | 0.86 |
| Torque (mN·m) | 82.3 | 210 |
| Output power (W) | 0.59 | 0.76 |
| Stall | ||
| Torque (mN·m) | 430 | 1360 |
| Current (A) | 0.52 | 4.67 |
- Speeds and torques are at the gearbox output shaft.
Gearbox lengths and reduction ratios
| Gearbox length (L) | Reduction ratio |
|---|---|
| 16 mm | 1:10 to 1:31 |
| 17.5 mm | 1:50 to 1:78 |
| 19 mm | 1:107 to 1:195 |
| 20.5 mm | 1:250 to 1:488 |
- Other gearbox lengths and reduction ratios can be developed to order.
Dimensions

Performance curves

Other gear motors
Spur gear motor, 25 mm gearbox, 370 motorHS25ZJSX-370
3–12 V · no-load 14–54 rpm
Spur gear motor, 37 mm gearbox, 510 motorHS37ZJSX-510S
12–24 V · no-load 20–92 rpm
Worm gear motor, 32 x 46 mm gearbox, 370 motorHS3246WJSX-370
12 V · no-load 3–31 rpm
Planetary gear motor, 20 mm gearbox, 180 motorHS20JSX-180
4.5–12 V · no-load 18–128 rpm
Need a different voltage, speed or gearbox?
Send your operating point and we will propose a winding or gearbox based on the HS20ZJSX-180.
