Technical data
| Parameters/ Type of a welding box | KmT 2k5 | KmT 3k3 | KmT 4k0 |
| Power | 2500W | 3300W | 4000W |
| Range of fused pipes in diameters | up to 250mm | up to 500mm | up to 800mm |
| Power supply voltage | 230V,50Hz (I-phase network, power generating unit) | ||
| Required power of a power generating unit | 3000W | 4000W | 5000W |
| Maximal current intensity | < 63A | < 100A | |
| Range of voltage/time | 9-42 (0,5V step) / 0-4999s (1s step) | ||
| Range of working / storing temp. | -10 +40 °C / -20 +50 °C | ||
| Length of an electric wire | 3m | ||
| Weight | 22kg | 26kg | 29kg |
| Size | 250x300x240mm | 250x300x340mm | |