| Name of parameter | Unit of measurement | EST 1000 | EDT 2500 | EDT 4000 | EST 3-10 | EDT 3-40 | 
| Rated voltage | V | 1000 | 1000 | 1000 | 3600 | 3600 | 
| rated current | А | 1000 | 2500 | 4000 | 1000 | 4000 | 
| Short time current maximum value | kА | 80 | 100 | 80 | 100 | |
| Mechanical resistance (maximum number of switchings) | - | 30000 | 20000 | 30000 | 20000 | |
| Actuating force | N | 7 | 10 | 7 | 10 | |
| Maintenance intervals | - | Every 10000 cycles (or once per 10 years) | ||||