| Primary brand | Mitsubishi Electric |
| Main function | AC servo motor |
| Product series / family name | MELSERVO J2S series |
| Sub-range name | HA-LF series |
| Functions | AC brushless rotary servo motor |
| Design | straight shaftbuilt-in absolute feedback encod. (17-bit)oil seallow inertia / medium-large power capacityfan cooling |
| Supply voltage (AC) | 200Vac class |
| Rated current | 118A |
| Rated active power (kW) | 20kW |
| Rotational speed | 1000rpm1200rpm (maximum) |
| Torque | 191Nm nominal |
| Maximum torque | 477Nm |
| Moment of inertia | 0.0650kg.m2 (650kg.cm2) |
| Net Height (mm) | 370 mm |
| Net Width (mm) | 286 mm |
| Net Depth (mm) | 790 mm |
| Mounting mode | 280x280mm flange mounting |
| Resolution | 17-bit (equivalent to 131072ppr) feedback |
| Degree of protection | IP44 |
| Dimensions | H370mm x W286mm x D790mm |
| Ambient air temperature for operation | 0…+40 °C |
| Ambient air temperature for storage | -15°C…+70 °C |
| Maximum current | 295 A |
| Order code / Manufacturer SKU | HA-LFS20K1 |
| Manufacturer product status | Discontinued |
