| Unit of measurement | Hybrid L S21 | |
| Minimum supply voltage | V | 230 |
| Maximum supply voltage | V | 230 |
| Power supply frequency | Hz | 50/60 |
| Unit current | A | 0.5 |
| Transported air temperature (max) | °С | 40 |
| Transported air temperature (min) | °С | -25 |
| Minimum wall thickness | mm | 70 |
| Maximum wall thickness | mm | 2000 |
